raid 详解

2018-08-01  本文已影响0人  xiaoaiai

raid 详解

RAID 0

RAID 1

\begin{aligned}Size&=\min \left(S_{1},S_{2},S_{3}\dots \right)\end{aligned}

RAID2

RAID 3

RAID 4

RAID 5

\begin{aligned}Size&=(N-1)\times \min \left(S_{1},S_{2},\dots ,S_{N}\right)\end{aligned}

RAID 6

\begin{aligned}Size&=(N-2)\times \min \left(S_{1},S_{2},S_{3},\dots ,S_{N}\right)\end{aligned}

混合RAID

JBOD

\begin{aligned}{\text{Size}}&={\text{sum of all discs}}\end{aligned}

RAID 7

RAID 10/01

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