為何不常看到Raid 6+Hot spare的做法? - 儲存設備

By Dorothy
at 2015-07-21T11:51
at 2015-07-21T11:51
Table of Contents
如題
一般中小企業storage建置時
大部分都是 Raid 5+Hot spare 跟 Raid 6直接比較
Raid 5+Hot spare因為rebuild時要花時間且會拖到效能
而且rebuild時如果又壞了一顆就GG了
所以據我所知現在做Raid 6偏多
可是卻很少聽到有做了Raid 6再加hot spare的
只多加一顆硬碟的建置成本 更多一層保護
為何反而比較少人這樣做呢?
是有什麼其他因素的考量嗎?
想請教一下版友的看法@@
--
一般中小企業storage建置時
大部分都是 Raid 5+Hot spare 跟 Raid 6直接比較
Raid 5+Hot spare因為rebuild時要花時間且會拖到效能
而且rebuild時如果又壞了一顆就GG了
所以據我所知現在做Raid 6偏多
可是卻很少聽到有做了Raid 6再加hot spare的
只多加一顆硬碟的建置成本 更多一層保護
為何反而比較少人這樣做呢?
是有什麼其他因素的考量嗎?
想請教一下版友的看法@@
--
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儲存設備
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