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SetupRecommandattions:RAID

Revision as of 10:22, 8 October 2009 by Sylvain Fontaine (talk | contribs) (Created page with '= Raid = We recommend [Hardware RAID] [http://en.wikipedia.org/wiki/RAID_1#RAID_1 RAID 1] or [http://en.wikipedia.org/wiki/RAID_5#RAID_5 RAID 5] to build disk failure tolerant se…')
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Raid

We recommend [Hardware RAID] RAID 1 or RAID 5 to build disk failure tolerant servers. Be careful not to buy servers with FakeRAID. Vendors are advertising RAID servers, but make sure that it is Harware RAID, or else it could be preferable to have a server without RAID at all, and use Linux Software Raid instead.

FakeRaid

A list of FakeRAID hardware devices/controllers can be found here http://linuxmafia.com/faq/Hardware/sata.html

Under Linux, if you have a server with FakeRAID/BiosRAID, then you should disable it in the BIOS and use Linux SoftwareRaid.

Linux SoftwareRaid

For servers without RAID (or with FakeRAID, which is equivalent of not have RAID), SoftwareRaid should be used.

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