[Gllug] Multiple Raid Levels On Sarge

James Roberts jr at stabilys.com
Thu Sep 28 17:06:26 UTC 2006


Jim Bailey wrote:

> I supposed after all that what I am asking is can people see any gotchas
> with this I am unsure of the reliability of the two raid 5 partitions and
> or write performance.

I'd *really* want a hot spare on each array there. You are looking at 
MTBF/6 at best. I have had two near-simultaneous failures in RAID5 (on 
SCSI) more than once, and on PATA have lost data that way.

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