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		<title>RAID - Revizia istoricului</title>
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		<updated>2026-06-06T07:51:20Z</updated>
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		<id>https://wiki.lug.ro/index.php?title=RAID&amp;diff=49486&amp;oldid=prev</id>
		<title>Bmbogdan: revert</title>
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				<updated>2015-04-12T07:36:44Z</updated>
		
		<summary type="html">&lt;p&gt;revert&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Versiunea anterioară&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Versiunea de la data 12 aprilie 2015 07:36&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l3&quot; &gt;Linia 3:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Linia 3:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Diferitele tipuri de sisteme RAID urmaresc doua scopuri cheie: cresterea fiabilitatii datelor si cresterea performantelor I/O. Despre mai multe discuri fizice configurate pentru a folosi tehnologie RAID se spune ca sunt intr-o matrice RAID. Aceasta matrice distribuie datele pe mai multe discuri, dar matricea este adresata de catre sistemul de operare ca un singur disc. RAID poate fi utilizat pentru mai multe scopuri.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Diferitele tipuri de sisteme RAID urmaresc doua scopuri cheie: cresterea fiabilitatii datelor si cresterea performantelor I/O. Despre mai multe discuri fizice configurate pentru a folosi tehnologie RAID se spune ca sunt intr-o matrice RAID. Aceasta matrice distribuie datele pe mai multe discuri, dar matricea este adresata de catre sistemul de operare ca un singur disc. RAID poate fi utilizat pentru mai multe scopuri.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Too often &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;our lives experiments are put on real sytsems&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;whether the country's economy&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;a separate organization or system management of a complex intersection&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;The person accepting the decision&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;hopes thus for the insight&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;intuition and good luck&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;To a bowl of all it &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;anything good does not result&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Decision-maker&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;is hoping with its insight, intuition and luck&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Most often it is any good does not&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot; Wanted as better&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and it has turned out as always &amp;quot;&amp;#160;  the usual characteristic of such decisions&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot; We wanted the best, but it turned out as always &amp;quot;&amp;#160;  This is the usual characteristics of such solutions&lt;/del&gt;.&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Low efficiency of the administrative decisions made on the basis of intuition, speaks that, that causes and effects &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;complex&lt;/del&gt;(&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;difficult&lt;/del&gt;) &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;sytsems are carried &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;time and space&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;therefore it is difficult for person to predict, what consequences will be caused with this or that decision&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;The low efficiency of management decisions made based on intuition, because the cause and effect &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;complex sytsems are separated in time and space&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;so the man is hard to predict what impact will &lt;/del&gt;a &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;decision&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;When for a rating of accepted decisions experiment &lt;/del&gt;with &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;real sytsems is impossible or expensive&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;modelling is used&lt;/del&gt;. In &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;cases where the assessment for decision-making experiment with real sytsems is impossible or too expensive&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;using simulation&lt;/del&gt;.&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Imitating modelling is &lt;/del&gt;a &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;development of computer models and production of experiments on them&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;The purpose of modelling finally is acceptance adequate &lt;/del&gt;(&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;i&lt;/del&gt;.&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;e&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;proved&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;expedient and sold) administrative decisions&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Simulation&amp;#160;  is the development of computer models and the experiments on them&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;The purpose of modeling is ultimately the adoption of adequate &lt;/del&gt;(&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;ie sound&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;feasible and implementable) management decisions&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Computer modelling becomes today an obligatory stage &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;acceptance of critical decisions &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;all spheres of activity of the person &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;connection with complication of sytsems within the framework of which the person should operate and which it(he) should operate&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Computer simulation is now an obligatory stage &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;making responsible decisions &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;all areas of human activity &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;relation to the complexity of sytsems in which a man must act&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and that it must manage&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;The knowledge of concepts&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;principles and opportunities of imitating modelling&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;skill to build and use model are necessary requirements to a polic&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;==Niveluri standard==&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Initial au fost concepute 5 niveluri RAID, din care au evoluat multe alte variante, cel mai notabil cateva niveluri imbricate si multe niveluri non-standard (&lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;general software proprietar).&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;* RAID 0 (striping la nivel de bloc fara paritate&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;sau mirroring) furnizeaza performante crescute si spatiu de stocare suplimentar dar nu si redundanta sau toleranta la erori (ceea ce face ca RAID0 sa nu fie cu adevarat RAID&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;conform definitiei acronimului)&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Totusi&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;datorita similaritatii cu RAID (in special necesitatea unui controller care sa distribuie datele pe discuri multiple), seturile de stripping simplu sunt denumite in mod uzual RAID 0.&amp;#160; Defectarea oricaruia dintre discuri are ca efect distrugerea matricei si probabilitatea de defectare creste direct proportional cu numarul de discuri din matrice (cu un numar minim de discuri&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;pierderea datelor este de doua ori mai probabila comparat cu un disc fara RAID)&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt; O singura defectiune distruge intreaga matrice pentru ca atunci cand datele sunt scrise pe un volum RAID, datele sunt impartite &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;fragmente denumite blocuri&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Numarul de blocuri este dictat de '''marimea intreteserii''' (stripe size)&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;un parametru de configurare al matricei&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Blocurile sunt scrise pe discuri simultan in acelasi sector&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Aceasta permite ca segmente dintr-un fragment de date sa fie scrise sau citite de pe discurile respective in paralel&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;crescand latimea de banda si astfel viteza operatiunilor de citire/scriere&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;RAID 0 nu implementeaza verificarea erorilor&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Mai multe discuri &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;matrice conduc la performante crescute dar si la un risc crescut de pierdere a datelor.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;* RAID 1 &lt;/ins&gt;(&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;mirroring fara paritate sau striping&lt;/ins&gt;)&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;, datele sunt scrise identic pe discuri multiple (&amp;quot;&lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;oglinda&amp;quot;). Cu toate ca majoritatea implementarilor contin 2 discuri&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;un set poate contine 3 sau mai multe discuri&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Matricea furnizeaza toleranta la erori de disc sau defectiuni si continua sa opereze cata vreme exista cel putin un disc &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;matrice. Cu suport adecvat din partea sistemului de operare&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;aceasta poate conduce la cresterea performantelor la citirea datelor si o reducere minima &lt;/ins&gt;a &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;vitezei de scriere&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Utilizarea RAID 1 cu controller separat pentru fiecare disc este denumita uneori ''duplexare''.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;* RAID 2 (striping la nivel de bit &lt;/ins&gt;with &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;cu paritate dedicata Hamming-code)&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;* RAID 3&amp;#160; (striping la nivel de octet cu paritate dedicata)&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;* RAID 4 (striping la nivel de bloc&amp;#160; cu paritate dedicata) este identic cu RAID 5 dar mentine toate datele de paritate pe un singur disc&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;ceea ce poate provoca o gatuire a performantelor&lt;/ins&gt;. In &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;aceasta configuratie&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;fisierele pot fi distribuite pe discuri multiple&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Fiecare disc opereaza independent, ceea ce permite efectuarea cererilor I/O in paralel, dar viteza de transfer &lt;/ins&gt;a &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;datelor poate avea de suferit datorita tipului de paritate&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Detectia erorilor se efectueaza prin paritate dedicata, datele de paritate fiind stocate pe o singura unitate de disc dedicata.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;* RAID 5 &lt;/ins&gt;(&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;striping la nivel de bloc&amp;#160; cu paritate distribuita) distribuie atat datele propriu-zise cat si datele de paritate pe discuri multiple si necesita N-1 discuri functionale pentru a opera, unde N este numarul total de discuri din matrice&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Defectarea unitatilor de disc necesita inlocuire, dar matricea nu este distrusa la defectarea unui singur disc&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;La defectarea unui disc&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;citirile ulterioare pot fi calculate din paritatea distribuita astfel ca defectarea unui disc nu are efecte vizibile pentru utilizator. Matricea va suferi pierdere de date in cazul defectarii unui al doilea disc si este vulnerabila pana cand discul defectat este inlocuit&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Defectarea unui disc conduce la scaderea performantelor intregii matrici pana cand discul defectat este inlocuit si matricea reconstruita&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;* RAID 6 &lt;/ins&gt;(&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;striping la nivel de bloc cu dubla paritate distribuita) dispune de toleranta la erori in cazul defectarii a doua unitati de disc. Aceasta face ca grupuri RAID mai mari sa fie mai practice&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;in special pentru sisteme cu un grad ridicat de disponibilitate. Acest lucru devine important pentru capacitati mari de stocare pentru ca discurile de capacitate mare necesita un timp mai ridicat de reconstruire dupa defectarea unei singure unitati de disc&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Nivelurile RAID cu paritate simpla sunt la fel de vulnerabile ca o matrice RAID 0 &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;intervalul dintre defectarea unui disc si inlocuirea acestuia; Cu cat discul fizic este mai mare, cu atat durata de reconstructie creste. Paritatea dubla face posibila reconstructia matricei &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;cazul defectarii unuia din discuri fara a risca integritatea datelor din matrice &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;cazul defectarii unui singur disc.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Neexistand nivel de baza RAID mai mare de 9, RAID-urile imbricate se descriu de obicei prin alaturarea cifrelor care indica nivelurile RAID folosite, uneori unite prin semnul &amp;quot;+&amp;quot;&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Ordinea cifrelor este &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;aceste cazuri ordinea &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;care matricea imbricata este construita: pentru RAID 1+0, primele perechi de discuri sunt combinate &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;doua sau mai multe matrici RAID 1 (mirrors)&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;si matricile RAID 1 rezultate sunt combinate intr-o matrice RAID 0 (stripes)&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Este posibila de asemenea combinarea inversa (RAID 0+1). Rezultatul este matricea superioara. Cand matricea superioara este de tip RAID 0 (ca de exemplu&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;RAID 10 sau RAID 50) se omite in general semnul &amp;quot;+&amp;quot;&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;though RAID 5+0 is clearer.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;*RAID 0+1: seturi imbricate intr-un set mirrored ( minim 4 discuri; numar par de discuri) furnizeaza toleranta la erori si performante crescute dar creste gradul de complexitate.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;*RAID 1+0: &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Paritate RAID ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Paritate RAID ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l22&quot; &gt;Linia 22:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Linia 37:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Desi RAID poate proteja impotriva defectarii fizice a harddiscurilor, datele sunt totusi expuse distrugerilor datorate defectelor software sau hardware. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Desi RAID poate proteja impotriva defectarii fizice a harddiscurilor, datele sunt totusi expuse distrugerilor datorate defectelor software sau hardware. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Sa nu pierdem din verdee scopul initial al studiului hermeneutic (slujirea fratilor in credinta) si pe cei carora li se adreseaza studiul&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Pentru ca in caz contrar va fi sortit esecului. Daca nu mai slujeste acestora, ce folos? Cui foloseste? Firii noastre pamantesti? Uneori punem atat zel in anumite activitati ca de fapt, uitam care a fost scopul initial.Intrebarea:e2809eCum sa conving oamenii sa abandoneze amatorismul in ideile teologice?e2809c are urmatorul raspuns: deprinderea artei dialogului, argumentarea pozitiei chiar in pofida parerilor contrare si a criticilor ivite.Un mesaj consistent care se vrea eficient nu suna deloc astfel&lt;/del&gt;: &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;cei care au aceeasi parere sa vina sa discutam, pentru ceilalti nu-mi pierd vremea.De fapt studiul se adreseaza amatorilor, nu? Sa invatam sa nu-i trimitem e2809ein banca lore2809c pentru ca probabil unii se vor duce. Insa atunci ne-am pierdut auditoriul si s-ar putea sa vorbim in van ori sa ne adresam peretilor. Si nici sa-i categorisim atat de simplist ca fiind e2809eneghinae2809c, pentru ca asta e treaba Stapanului. Dintr-o simpla exegeza a pildei neghinei, se vede clar cine de fapt intruneste conditiile de a fi numit astfel. Sa nu ne lansam in supozitii pe care probabil nici noi nu le credem. Personal, in astfel de imprejurari n-as indrazni sa etichetez astfel pe cineva.De multe ori modul de5a8 abordare, face minuni. Daca nu e captata atentiae280a6 nu e de bine, dar daca nici n-avem cui sa-i captam atentia, atunci e chiar rau.Nu putem spera doar ca e2809eceva imbucurator se va intamplae2809c candva. E posibil ca abordand subiectele dintr-o perspectiva exclusivista, acest lucru sa nu se intample niciodata.A-ti baza teologia pe Cuvantul lui Dumnezeu, nu inseamna amatorism in idei teologice. Adevarul Cuvantului extras din ansamblul invataturilor Scripturii nu este amatorism. Dumnezeu nu considera aceasta nici superficialitate, nici mediocritate, nici altceva. Dimpotriva, este baza solida a credintei noastre.Oare de ce unii inteleg ca daca nu agreezi anumite idei trebuie neaparat sa te situezi intru totul impotriva stiintei insasi? (in acest caz a hermeneuticii)&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Pentru a o expune pe aceasta e nevoie si de putina homiletica&lt;/del&gt;.&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Interesant, cum axarea pe un singur text din Vechiul, poate produce atata discordanta in punerea in practica a atator altor invataturi biblice din Noul Testament!&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;== RAID software vs&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;RAID hardware==&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;http&lt;/ins&gt;:&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;//www&lt;/ins&gt;.&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;snia&lt;/ins&gt;.&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;org/education/dictionary&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Bmbogdan</name></author>	</entry>

	<entry>
		<id>https://wiki.lug.ro/index.php?title=RAID&amp;diff=49474&amp;oldid=prev</id>
		<title>190.39.111.196: /* RAID software vs. RAID hardware */</title>
		<link rel="alternate" type="text/html" href="https://wiki.lug.ro/index.php?title=RAID&amp;diff=49474&amp;oldid=prev"/>
				<updated>2015-04-09T13:26:21Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;RAID software vs. RAID hardware&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;tr style='vertical-align: top;' lang='ro'&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Versiunea anterioară&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Versiunea de la data 9 aprilie 2015 13:26&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l22&quot; &gt;Linia 22:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Linia 22:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Desi RAID poate proteja impotriva defectarii fizice a harddiscurilor, datele sunt totusi expuse distrugerilor datorate defectelor software sau hardware. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Desi RAID poate proteja impotriva defectarii fizice a harddiscurilor, datele sunt totusi expuse distrugerilor datorate defectelor software sau hardware. &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;== RAID software vs&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;RAID hardware==&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Sa nu pierdem din verdee scopul initial al studiului hermeneutic (slujirea fratilor in credinta) si pe cei carora li se adreseaza studiul&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Pentru ca in caz contrar va fi sortit esecului. Daca nu mai slujeste acestora, ce folos? Cui foloseste? Firii noastre pamantesti? Uneori punem atat zel in anumite activitati ca de fapt, uitam care a fost scopul initial.Intrebarea:e2809eCum sa conving oamenii sa abandoneze amatorismul in ideile teologice?e2809c are urmatorul raspuns: deprinderea artei dialogului, argumentarea pozitiei chiar in pofida parerilor contrare si a criticilor ivite.Un mesaj consistent care se vrea eficient nu suna deloc astfel&lt;/ins&gt;: &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;cei care au aceeasi parere sa vina sa discutam, pentru ceilalti nu-mi pierd vremea.De fapt studiul se adreseaza amatorilor, nu? Sa invatam sa nu-i trimitem e2809ein banca lore2809c pentru ca probabil unii se vor duce. Insa atunci ne-am pierdut auditoriul si s-ar putea sa vorbim in van ori sa ne adresam peretilor. Si nici sa-i categorisim atat de simplist ca fiind e2809eneghinae2809c, pentru ca asta e treaba Stapanului. Dintr-o simpla exegeza a pildei neghinei, se vede clar cine de fapt intruneste conditiile de a fi numit astfel. Sa nu ne lansam in supozitii pe care probabil nici noi nu le credem. Personal, in astfel de imprejurari n-as indrazni sa etichetez astfel pe cineva.De multe ori modul de5a8 abordare, face minuni. Daca nu e captata atentiae280a6 nu e de bine, dar daca nici n-avem cui sa-i captam atentia, atunci e chiar rau.Nu putem spera doar ca e2809eceva imbucurator se va intamplae2809c candva. E posibil ca abordand subiectele dintr-o perspectiva exclusivista, acest lucru sa nu se intample niciodata.A-ti baza teologia pe Cuvantul lui Dumnezeu, nu inseamna amatorism in idei teologice. Adevarul Cuvantului extras din ansamblul invataturilor Scripturii nu este amatorism. Dumnezeu nu considera aceasta nici superficialitate, nici mediocritate, nici altceva. Dimpotriva, este baza solida a credintei noastre.Oare de ce unii inteleg ca daca nu agreezi anumite idei trebuie neaparat sa te situezi intru totul impotriva stiintei insasi? (in acest caz a hermeneuticii)&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Pentru a o expune pe aceasta e nevoie si de putina homiletica&lt;/ins&gt;.&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Interesant, cum axarea pe un singur text din Vechiul, poate produce atata discordanta in punerea in practica a atator altor invataturi biblice din Noul Testament!&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;http&lt;/del&gt;:&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;//www&lt;/del&gt;.&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;snia&lt;/del&gt;.&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;org/education/dictionary&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>190.39.111.196</name></author>	</entry>

	<entry>
		<id>https://wiki.lug.ro/index.php?title=RAID&amp;diff=49466&amp;oldid=prev</id>
		<title>112.19.170.235: /* Niveluri standard */</title>
		<link rel="alternate" type="text/html" href="https://wiki.lug.ro/index.php?title=RAID&amp;diff=49466&amp;oldid=prev"/>
				<updated>2015-04-09T09:22:18Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Niveluri standard&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;tr style='vertical-align: top;' lang='ro'&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Versiunea anterioară&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Versiunea de la data 9 aprilie 2015 09:22&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l3&quot; &gt;Linia 3:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Linia 3:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Diferitele tipuri de sisteme RAID urmaresc doua scopuri cheie: cresterea fiabilitatii datelor si cresterea performantelor I/O. Despre mai multe discuri fizice configurate pentru a folosi tehnologie RAID se spune ca sunt intr-o matrice RAID. Aceasta matrice distribuie datele pe mai multe discuri, dar matricea este adresata de catre sistemul de operare ca un singur disc. RAID poate fi utilizat pentru mai multe scopuri.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Diferitele tipuri de sisteme RAID urmaresc doua scopuri cheie: cresterea fiabilitatii datelor si cresterea performantelor I/O. Despre mai multe discuri fizice configurate pentru a folosi tehnologie RAID se spune ca sunt intr-o matrice RAID. Aceasta matrice distribuie datele pe mai multe discuri, dar matricea este adresata de catre sistemul de operare ca un singur disc. RAID poate fi utilizat pentru mai multe scopuri.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;==Niveluri standard==&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Too often in our lives experiments are put on real sytsems&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;whether the country's economy&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;a separate organization or system management of a complex intersection&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;The person accepting the decision&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;hopes thus for the insight&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;intuition and good luck. To a bowl of all it in anything good does not result&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Decision-maker&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;is hoping with its insight&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;intuition and luck. Most often it is any good does not&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot; Wanted as better&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;and it has turned out as always &amp;quot;&amp;#160;  the usual characteristic of such decisions&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot; We wanted the best&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;but it turned out as always &amp;quot;&amp;#160;  This is the usual characteristics of such solutions&lt;/ins&gt;.&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Low efficiency of the administrative decisions made on the basis of intuition&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;speaks that&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;that causes and effects &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;complex&lt;/ins&gt;(&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;difficult&lt;/ins&gt;) &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;sytsems are carried in time and space&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;therefore it is difficult for person to predict, what consequences will be caused with this or that decision&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;The low efficiency of management decisions made based on intuition&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;because the cause and effect in complex sytsems are separated &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;time and space&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;so the man is hard to predict what impact will &lt;/ins&gt;a &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;decision&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;When for a rating of accepted decisions experiment &lt;/ins&gt;with &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;real sytsems is impossible or expensive&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;modelling is used&lt;/ins&gt;. In &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;cases where the assessment for decision-making experiment with real sytsems is impossible or too expensive&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;using simulation&lt;/ins&gt;.&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Imitating modelling is &lt;/ins&gt;a &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;development of computer models and production of experiments on them&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;The purpose of modelling finally is acceptance adequate &lt;/ins&gt;(&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;i&lt;/ins&gt;.&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;e&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;proved&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;expedient and sold) administrative decisions&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Simulation&amp;#160;  is the development of computer models and the experiments on them&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;The purpose of modeling is ultimately the adoption of adequate &lt;/ins&gt;(&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;ie sound, feasible and implementable&lt;/ins&gt;) &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;management decisions. Computer modelling becomes today an obligatory stage &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;acceptance of critical decisions &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;all spheres of activity of the person &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;connection with complication of sytsems within the framework of which the person should operate and which it(he) should operate&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Computer simulation is now an obligatory stage &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;making responsible decisions &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;all areas of human activity &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;relation to the complexity of sytsems &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;which a man must act&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;and that it must manage&lt;/ins&gt;. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;The knowledge of concepts&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;principles and opportunities of imitating modelling&lt;/ins&gt;, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;skill to build and use model are necessary requirements to a polic&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Initial au fost concepute 5 niveluri RAID&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;din care au evoluat multe alte variante&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;cel mai notabil cateva niveluri imbricate si multe niveluri non-standard (in general software proprietar)&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;* RAID 0 (striping la nivel de bloc fara paritate&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;sau mirroring) furnizeaza performante crescute si spatiu de stocare suplimentar dar nu si redundanta sau toleranta la erori (ceea ce face ca RAID0 sa nu fie cu adevarat RAID&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;conform definitiei acronimului)&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Totusi&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;datorita similaritatii cu RAID (in special necesitatea unui controller care sa distribuie datele pe discuri multiple)&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;seturile de stripping simplu sunt denumite in mod uzual RAID 0&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt; Defectarea oricaruia dintre discuri are ca efect distrugerea matricei si probabilitatea de defectare creste direct proportional cu numarul de discuri din matrice (cu un numar minim de discuri&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;pierderea datelor este de doua ori mai probabila comparat cu un disc fara RAID)&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt; O singura defectiune distruge intreaga matrice pentru ca atunci cand datele sunt scrise pe un volum RAID&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;datele sunt impartite in fragmente denumite blocuri&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Numarul de blocuri este dictat de '''marimea intreteserii''' (stripe size)&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;un parametru de configurare al matricei. Blocurile sunt scrise pe discuri simultan in acelasi sector. Aceasta permite ca segmente dintr-un fragment de date sa fie scrise sau citite de pe discurile respective in paralel&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;crescand latimea de banda si astfel viteza operatiunilor de citire/scriere. RAID 0 nu implementeaza verificarea erorilor. Mai multe discuri &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;matrice conduc la performante crescute dar si la un risc crescut de pierdere a datelor.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;* RAID 1 &lt;/del&gt;(&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;mirroring fara paritate sau striping&lt;/del&gt;), &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;datele sunt scrise identic pe discuri multiple (&amp;quot;in oglinda&amp;quot;)&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Cu toate ca majoritatea implementarilor contin 2 discuri&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;un set poate contine 3 sau mai multe discuri. Matricea furnizeaza toleranta la erori de disc sau defectiuni si continua sa opereze cata vreme exista cel putin un disc &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;matrice. Cu suport adecvat din partea sistemului de operare&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;aceasta poate conduce la cresterea performantelor la citirea datelor si o reducere minima &lt;/del&gt;a &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;vitezei de scriere&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Utilizarea RAID 1 cu controller separat pentru fiecare disc este denumita uneori ''duplexare''.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;* RAID 2 (striping la nivel de bit &lt;/del&gt;with &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;cu paritate dedicata Hamming-code)&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;* RAID 3&amp;#160; (striping la nivel de octet cu paritate dedicata)&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;* RAID 4 (striping la nivel de bloc&amp;#160; cu paritate dedicata) este identic cu RAID 5 dar mentine toate datele de paritate pe un singur disc&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;ceea ce poate provoca o gatuire a performantelor&lt;/del&gt;. In &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;aceasta configuratie&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;fisierele pot fi distribuite pe discuri multiple&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Fiecare disc opereaza independent, ceea ce permite efectuarea cererilor I/O in paralel, dar viteza de transfer &lt;/del&gt;a &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;datelor poate avea de suferit datorita tipului de paritate&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Detectia erorilor se efectueaza prin paritate dedicata, datele de paritate fiind stocate pe o singura unitate de disc dedicata.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;* RAID 5 &lt;/del&gt;(&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;striping la nivel de bloc&amp;#160; cu paritate distribuita) distribuie atat datele propriu-zise cat si datele de paritate pe discuri multiple si necesita N-1 discuri functionale pentru a opera, unde N este numarul total de discuri din matrice&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Defectarea unitatilor de disc necesita inlocuire, dar matricea nu este distrusa la defectarea unui singur disc&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;La defectarea unui disc&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;citirile ulterioare pot fi calculate din paritatea distribuita astfel ca defectarea unui disc nu are efecte vizibile pentru utilizator&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Matricea va suferi pierdere de date in cazul defectarii unui al doilea disc si este vulnerabila pana cand discul defectat este inlocuit&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Defectarea unui disc conduce la scaderea performantelor intregii matrici pana cand discul defectat este inlocuit si matricea reconstruita.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;* RAID 6 &lt;/del&gt;(&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;striping la nivel de bloc cu dubla paritate distribuita&lt;/del&gt;) &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;dispune de toleranta la erori &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;cazul defectarii a doua unitati de disc. Aceasta face ca grupuri RAID mai mari sa fie mai practice, &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;special pentru sisteme cu un grad ridicat de disponibilitate. Acest lucru devine important pentru capacitati mari de stocare pentru ca discurile de capacitate mare necesita un timp mai ridicat de reconstruire dupa defectarea unei singure unitati de disc. Nivelurile RAID cu paritate simpla sunt la fel de vulnerabile ca o matrice RAID 0 &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;intervalul dintre defectarea unui disc si inlocuirea acestuia; Cu cat discul fizic este mai mare, cu atat durata de reconstructie creste&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Paritatea dubla face posibila reconstructia matricei &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;cazul defectarii unuia din discuri fara a risca integritatea datelor din matrice &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;cazul defectarii unui singur disc.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Neexistand nivel de baza RAID mai mare de 9, RAID-urile imbricate se descriu de obicei prin alaturarea cifrelor care indica nivelurile RAID folosite, uneori unite prin semnul &amp;quot;+&amp;quot;. Ordinea cifrelor este &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;aceste cazuri ordinea &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;care matricea imbricata este construita: pentru RAID 1+0&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;primele perechi de discuri sunt combinate in doua sau mai multe matrici RAID 1 (mirrors), si matricile RAID 1 rezultate sunt combinate intr-o matrice RAID 0 (stripes)&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Este posibila de asemenea combinarea inversa (RAID 0+1). Rezultatul este matricea superioara. Cand matricea superioara este de tip RAID 0 (ca de exemplu&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;RAID 10 sau RAID 50) se omite in general semnul &amp;quot;+&amp;quot;&lt;/del&gt;, &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;though RAID 5+0 is clearer.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;*RAID 0+1: seturi imbricate intr-un set mirrored ( minim 4 discuri; numar par de discuri) furnizeaza toleranta la erori si performante crescute dar creste gradul de complexitate.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;*RAID 1+0: &lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Paritate RAID ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Paritate RAID ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>112.19.170.235</name></author>	</entry>

	<entry>
		<id>https://wiki.lug.ro/index.php?title=RAID&amp;diff=37434&amp;oldid=prev</id>
		<title>89.165.231.54 la 1 aprilie 2013 15:26</title>
		<link rel="alternate" type="text/html" href="https://wiki.lug.ro/index.php?title=RAID&amp;diff=37434&amp;oldid=prev"/>
				<updated>2013-04-01T15:26:33Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;tr style='vertical-align: top;' lang='ro'&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Versiunea anterioară&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Versiunea de la data 1 aprilie 2013 15:26&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l28&quot; &gt;Linia 28:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Linia 28:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Implementari==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Implementari==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;===RAID &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Software&lt;/del&gt;===&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;===RAID &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;software&lt;/ins&gt;===&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;===RAID hardware===&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;===RAID hardware===&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>89.165.231.54</name></author>	</entry>

	<entry>
		<id>https://wiki.lug.ro/index.php?title=RAID&amp;diff=37431&amp;oldid=prev</id>
		<title>89.165.231.54 la 1 aprilie 2013 15:24</title>
		<link rel="alternate" type="text/html" href="https://wiki.lug.ro/index.php?title=RAID&amp;diff=37431&amp;oldid=prev"/>
				<updated>2013-04-01T15:24:01Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;tr style='vertical-align: top;' lang='ro'&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Versiunea anterioară&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Versiunea de la data 1 aprilie 2013 15:24&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot; &gt;Linia 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Linia 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{in lucru|rz}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{in lucru|rz}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''RAID''', este un acronim care provine de la ''Redundant Array of Independent Disks'' (matrice redundanta de discuri independente) &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;si este o tehnologie cu ajutorul careia se obtin capacitate &lt;/del&gt;de &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;stocare si fiabilitate crescuta prin combinarea mai multor &lt;/del&gt;discuri fizice intr-o singura unitate logica in care discurile din matrice sunt interdependente.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''RAID''', este un acronim care provine de la ''Redundant Array of Independent Disks'' (matrice redundanta de discuri independente)&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;. Practic,e vorba &lt;/ins&gt;de discuri fizice intr-o singura unitate logica in care discurile din matrice sunt interdependente.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Diferitele tipuri de sisteme RAID urmaresc doua scopuri cheie: cresterea fiabilitatii datelor si cresterea performantelor I/O. Despre mai multe discuri fizice configurate pentru a folosi tehnologie RAID se spune ca sunt intr-o matrice RAID. Aceasta matrice distribuie datele pe mai multe discuri, dar matricea este adresata de catre sistemul de operare ca un singur disc. RAID poate fi utilizat pentru mai multe scopuri.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Diferitele tipuri de sisteme RAID urmaresc doua scopuri cheie: cresterea fiabilitatii datelor si cresterea performantelor I/O. Despre mai multe discuri fizice configurate pentru a folosi tehnologie RAID se spune ca sunt intr-o matrice RAID. Aceasta matrice distribuie datele pe mai multe discuri, dar matricea este adresata de catre sistemul de operare ca un singur disc. RAID poate fi utilizat pentru mai multe scopuri.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>89.165.231.54</name></author>	</entry>

	<entry>
		<id>https://wiki.lug.ro/index.php?title=RAID&amp;diff=7063&amp;oldid=prev</id>
		<title>Rz la 9 ianuarie 2011 10:59</title>
		<link rel="alternate" type="text/html" href="https://wiki.lug.ro/index.php?title=RAID&amp;diff=7063&amp;oldid=prev"/>
				<updated>2011-01-09T10:59:06Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;a href=&quot;https://wiki.lug.ro/index.php?title=RAID&amp;amp;diff=7063&amp;amp;oldid=7059&quot;&gt;Afișare diferențe&lt;/a&gt;</summary>
		<author><name>Rz</name></author>	</entry>

	<entry>
		<id>https://wiki.lug.ro/index.php?title=RAID&amp;diff=7059&amp;oldid=prev</id>
		<title>82.77.117.50: Pagină nouă: {{in lucru|rz}} '''RAID''', este un acronim care provine de la ''Redundant Array of Independent Disks'' (matrice redundanta de discuri independente) si este o tehnologie cu ajutorul c...</title>
		<link rel="alternate" type="text/html" href="https://wiki.lug.ro/index.php?title=RAID&amp;diff=7059&amp;oldid=prev"/>
				<updated>2011-01-09T10:51:33Z</updated>
		
		<summary type="html">&lt;p&gt;Pagină nouă: {{in lucru|rz}} &amp;#039;&amp;#039;&amp;#039;RAID&amp;#039;&amp;#039;&amp;#039;, este un acronim care provine de la &amp;#039;&amp;#039;Redundant Array of Independent Disks&amp;#039;&amp;#039; (matrice redundanta de discuri independente) si este o tehnologie cu ajutorul c...&lt;/p&gt;
&lt;a href=&quot;https://wiki.lug.ro/index.php?title=RAID&amp;amp;diff=7059&quot;&gt;Afișare diferențe&lt;/a&gt;</summary>
		<author><name>82.77.117.50</name></author>	</entry>

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