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Home -> Community -> Mailing Lists -> Oracle-L -> Re: Raid 0+1 vs. mirrored pairs
RAID 0+1 and RAID 1+0 provide similar performance but RAID 1+0 has the
advantage of offering more redundancy/availability. If you take your sys
admin's advice and go with 2 x 3 disks in a 0+1 config and you lose one
disk then you lose the other two spindles in that stripe as well. That's
half of your I/O capacity gone. With RAID 1+0 the other two spindles will
still be available when one disk fails in a stripe.
I think it is useful to be able to split your data between different physical disks. Apart from the fact that redo and archive logs should never reside on the same volume then it can make a big difference being able to keep your data tablespaces from your indexes from your rollback from your redo.
And now I have stated the bleeding obvious. BAARF.
Gudmundur
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Please see the official ORACLE-L FAQ: http://www.orafaq.net
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Author: Gudmundur Bjarni Josepsson
INET: [EMAIL PROTECTED]
Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting servicesto: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing). Received on Wed Jul 02 2003 - 15:36:35 CDT
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