備份用,磁碟陣列 or NAS ? - 儲存設備
![Iris avatar](/img/girl.jpg)
By Iris
at 2013-12-25T22:58
at 2013-12-25T22:58
Table of Contents
好久沒回信,騙騙P幣...
※ 引述《maxxsu (絕望生魚片)》之銘言:
: 主要用途是備份用,電腦會設定一組 4T*2 RAID 0 陣列卡
如果你的用途是「備份」,我不懂為何你會選擇相對安全性較低的Raid 0?
一般選RAID 0都是為了效能,而不是安全性。
現在的硬碟單顆幾乎都破百了,傳輸的瓶頸不在硬碟,而在網路。
: 要外接一組 4T*2 異地備份,但找來找去都沒有符合的商品。
: 1.5000左右 2-BAY
: 2.USB 3.0 > ESATA > USB 2.0
: 3.4T*2 > 總容量要能支援8T
: 4.RAID 0
: 5.支援SATA 3
5000真的很困難
: 單純2-BAY陣列好像已經沒有符合以上條件的商品
: NAS DS213j 已經是最接近的商品,
: 但我最在意的傳輸介面是 USB 2.0
: 請問用過的板友 RAID 0 情況下使用USB傳輸,NAS <-> PC
: 傳輸速度大概是多少呢?
NAS->PC 就算是GIGA線路對接,七折八扣的,100MB算是很極限的數據了。
一般硬碟的傳輸數據應該就大於傳輸頻頸。
所以我前面說你用raid 0真的一點意義都沒有,既沒享受到效能,
又要承擔比較高的風險,何必呢?
另外,你的異地是怎麼定義?兩台NAS之間打算怎麼串連?
--
會當凌絕頂,一覽眾山小。 —— 杜甫
--
※ 引述《maxxsu (絕望生魚片)》之銘言:
: 主要用途是備份用,電腦會設定一組 4T*2 RAID 0 陣列卡
如果你的用途是「備份」,我不懂為何你會選擇相對安全性較低的Raid 0?
一般選RAID 0都是為了效能,而不是安全性。
現在的硬碟單顆幾乎都破百了,傳輸的瓶頸不在硬碟,而在網路。
: 要外接一組 4T*2 異地備份,但找來找去都沒有符合的商品。
: 1.5000左右 2-BAY
: 2.USB 3.0 > ESATA > USB 2.0
: 3.4T*2 > 總容量要能支援8T
: 4.RAID 0
: 5.支援SATA 3
5000真的很困難
: 單純2-BAY陣列好像已經沒有符合以上條件的商品
: NAS DS213j 已經是最接近的商品,
: 但我最在意的傳輸介面是 USB 2.0
: 請問用過的板友 RAID 0 情況下使用USB傳輸,NAS <-> PC
: 傳輸速度大概是多少呢?
NAS->PC 就算是GIGA線路對接,七折八扣的,100MB算是很極限的數據了。
一般硬碟的傳輸數據應該就大於傳輸頻頸。
所以我前面說你用raid 0真的一點意義都沒有,既沒享受到效能,
又要承擔比較高的風險,何必呢?
另外,你的異地是怎麼定義?兩台NAS之間打算怎麼串連?
--
會當凌絕頂,一覽眾山小。 —— 杜甫
--
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儲存設備
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