RAID-5 and database servers

Jefferson Ogata poweredge at antibozo.net
Thu Mar 11 20:23:13 CST 2010


On 2010-03-11 22:23, Matthew Geier wrote:
> I've had a disk fail in such a way on a SCSI array that all disks on
> that SCSI bus became unavailable simultaneously. When half the disks
> dropped of the array at the same time, it gave up and corrupted the RAID
> 5 meta data so that even after removing the offending drive, the array
> didn't recover.

I also should point out (in case it isn't obvious), that that sort of
failure would take out the typical RAID 10 as well.



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