Neste modo conseguimos um alto desempenho, e conseguimos somar unidades, exemplificando, com 2 unidades de 2TBs vamos conseguir 4TBs de espaço disponível. Além do ganho de espaço, este modo lhe dará a potência necessária quando o que você precisa é velocidade máxima.Por que o RAID 0 é tão rápido? A modo de exemplo, cada disco mecânico em média poderá entregar 125 IOPS, neste nível de RAID, a performance dos discos é multiplicada pela quantidade de discos no Array, no nosso exemplo, a performance será 125x2=250 IOPS.Porém, este ganho de performance tem uma penalidade, você não terá redundância de dados porque seus dados estão divididos entre dois discos, ou seja, se você perde um disco, perde toda sua informação.
Utilizando este nível de RAID, a capacidade será o tamanho de cada unidade, utilizando o exemplo anterior, de 2 discos de 2TBs, nosso volume terá 2TBs. Os dois discos estarão “espelhados”.A diferença do RAID 0, que sacrifica a segurança em prol da performance e o espaço disponível, o RAID 1 sacrifica a performance e o espaço disponível em prol da segurança, não importa quantos discos físicos coloquemos no Array, o espaço disponível será o de uma das unidades.A performance, colocando o exemplo de dois discos mecânicos cada um capaz de entregar 125 IOPS, é calculada da seguinte maneira, (125*2)/2 = 125IOPS de escrita, este nível tem um 50% de penalidade para operações de escrita, porém para leitura não há penalidade. Se tivéssemos mais discos, conseguiríamos um ganho de performance, porém o objetivo deste RAID não é entregar maior performance, e sim aumentar a segurança de informação.
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Além do ganho de espaço, este modo lhe dará a potência necessária quando o que você precisa é velocidade máxima.`}),`\n`,_jsx(_components.p,{children:`Por que o RAID 0 é tão rápido? A modo de exemplo, cada disco mecânico em média poderá entregar 125 IOPS, neste nível de RAID, a performance dos discos é multiplicada pela quantidade de discos no Array, no nosso exemplo, a performance será 125x2=250 IOPS.`}),`\n`,_jsx(_components.p,{children:`Porém, este ganho de performance tem uma penalidade, você não terá redundância de dados porque seus dados estão divididos entre dois discos, ou seja, se você perde um disco, perde toda sua informação.`}),`\n`,_jsx(Heading,{level:`2`,id:`raid-1`,children:`RAID 1`}),`\n`,_jsx(OptimizedImage,{src:`https://mintcdn.com/san-internet/G2LILGxG-iTlpvfY/wp-content/uploads/2020/01/raid-1.png?fit=max\u0026auto=format\u0026n=G2LILGxG-iTlpvfY\u0026q=85\u0026s=df8965eb77d4c9b69d43f9a560ad123a`,alt:`Raid 1`,\"data-og-width\":`700`,width:`700`,\"data-og-height\":`250`,height:`250`,\"data-path\":`wp-content/uploads/2020/01/raid-1.png`,\"data-optimize\":`true`,\"data-opv\":`3`,srcset:`https://mintcdn.com/san-internet/G2LILGxG-iTlpvfY/wp-content/uploads/2020/01/raid-1.png?w=280\u0026fit=max\u0026auto=format\u0026n=G2LILGxG-iTlpvfY\u0026q=85\u0026s=3feef6f2323f72e01d23175a3433c51e 280w, https://mintcdn.com/san-internet/G2LILGxG-iTlpvfY/wp-content/uploads/2020/01/raid-1.png?w=560\u0026fit=max\u0026auto=format\u0026n=G2LILGxG-iTlpvfY\u0026q=85\u0026s=a35a20d25ce188998206947032b7719d 560w, https://mintcdn.com/san-internet/G2LILGxG-iTlpvfY/wp-content/uploads/2020/01/raid-1.png?w=840\u0026fit=max\u0026auto=format\u0026n=G2LILGxG-iTlpvfY\u0026q=85\u0026s=4635edf7a920d6c3ab9319690b6dc6fb 840w, https://mintcdn.com/san-internet/G2LILGxG-iTlpvfY/wp-content/uploads/2020/01/raid-1.png?w=1100\u0026fit=max\u0026auto=format\u0026n=G2LILGxG-iTlpvfY\u0026q=85\u0026s=2a6fa1597ebb7380b013458e90101acd 1100w, https://mintcdn.com/san-internet/G2LILGxG-iTlpvfY/wp-content/uploads/2020/01/raid-1.png?w=1650\u0026fit=max\u0026auto=format\u0026n=G2LILGxG-iTlpvfY\u0026q=85\u0026s=fe9fa4c2755764da967c5b4084c5cab4 1650w, https://mintcdn.com/san-internet/G2LILGxG-iTlpvfY/wp-content/uploads/2020/01/raid-1.png?w=2500\u0026fit=max\u0026auto=format\u0026n=G2LILGxG-iTlpvfY\u0026q=85\u0026s=c067c262f17127e92a83c9dd3dd33ce5 2500w`}),`\n`,_jsx(_components.p,{children:`Utilizando este nível de RAID, a capacidade será o tamanho de cada unidade, utilizando o exemplo anterior, de 2 discos de 2TBs, nosso volume terá 2TBs. Os dois discos estarão “espelhados”.`}),`\n`,_jsx(_components.p,{children:`A diferença do RAID 0, que sacrifica a segurança em prol da performance e o espaço disponível, o RAID 1 sacrifica a performance e o espaço disponível em prol da segurança, não importa quantos discos físicos coloquemos no Array, o espaço disponível será o de uma das unidades.`}),`\n`,_jsx(_components.p,{children:`A performance, colocando o exemplo de dois discos mecânicos cada um capaz de entregar 125 IOPS, é calculada da seguinte maneira, (125*2)/2 = 125IOPS de escrita, este nível tem um 50% de penalidade para operações de escrita, porém para leitura não há penalidade. Se tivéssemos mais discos, conseguiríamos um ganho de performance, porém o objetivo deste RAID não é entregar maior performance, e sim aumentar a segurança de informação.`})]})}function MDXContent(props={}){const{wrapper:MDXLayout}={..._provideComponents(),...props.components};return MDXLayout?_jsx(MDXLayout,{...props,children:_jsx(_createMdxContent,{...props})}):_createMdxContent(props)}return{default:MDXContent};function _missingMdxReference(id,component){throw new Error(`Expected `+(component?`component`:`object`)+\" `\"+id+\"` to be defined: you likely forgot to import, pass, or provide it.\")}","frontmatter":{},"scope":{"config":{},"pageMetadata":{"title":"Que nível de RAID usar","description":"Entenda a principal diferença entre RAID 0 e RAID 1, junto com as vantagens e desvantagens ao usar cada nível de RAID.","href":"/que-nivel-de-raid-usar"}}},"mdxSourceWithNoJs":null},"mdxExtracts":{"tableOfContents":[{"title":"RAID 0","slug":"raid-0","depth":2,"children":[]},{"title":"RAID 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