備份建議? 2個不同硬碟 vs 1個Raid 1硬碟 - 儲存設備

By Oscar
at 2010-06-24T00:17
at 2010-06-24T00:17
Table of Contents
之前買了WD My Book Studio Edition II 2TB
因為資料很重要所以用 Raid 1模式,不過這一年多已經把1TB塞滿了...
偶爾會發生疑似線接觸不良,硬碟讀不到的事件(差點心臟病發)
還有它的電源線設計的很鬆,常會自己鬆脫斷電(後來用粘土粘起來)
雖然常心臟病...但也沒真的爆過,所以不知道raid 1爆了資料救不救得回來...
-- 有點像廢話的前言講完了 --
想請問各位大大......現在容量爆了,到底是
1.去買顆4TB 2Bay的來做Raid 1 (然後把舊的賣了換點現金)
2.再買個2Bay 2TB做Raid 0..+原來的也 Raid 0,資料存成2份 (零距離異地備份?)
哪一種作法比較安全???... 感謝~
--
Tags:
儲存設備
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By Elvira
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