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何謂 RAID 6 磁碟陣列?

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何謂 RAID 6 磁碟陣列?

RAID6 磁碟陣列其組成數至少需要四顆硬碟實際容量 = (Size of Smallest Drive) * (Number of Drives - 2)

是利用兩種同位去檢查資料進行更強悍的容錯備援,可以在壞兩顆硬碟機情況下重新建立資料系統,容錯力比RAID5更加強悍與RAID 5相比,RAID 6增加了第二個獨立的奇偶校驗資訊塊,兩個獨立的奇偶系統使用不同的演算法,資料的可靠性非常高,即使兩顆硬碟同時失效也不會影響資料的使用。


資料來源:滄者極限
  • Keywords : 獨立, 資料來源, 資料, 第二, 演算法, 滄者極限, 影響資料, 強悍, 容錯力, 容錯備援, 失效, 可以, 加強悍, 使用, Smallest, RAID6, RAID5, Number, Drives, Drive
0 0
2009-02-14T06:38:34+0000


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