Steven Ellis wrote:
I've resolved most of my raid issues by re-housing the affected system
and replacing the motherboard, but across the 3 boards I've tried I
always have an issue with my /dev/md1 array producing mismatch_count
of 128 or 256.
System is running Centos 5.2 with a Xen Dom0 kernel
This md1 volume is a pair of 40GB HDs raid1 on an IDE controller which
I them have a bunch of LVM's that are my Xen guests.
Is there any chance that these mismatch_count values are due to swap
partitions for the Xen guests?
That's the cause, and since md code doesn't currently have a clue which
copy is "right" it's always a problem if you do something like suspend
to disk. You probably don't do that with xen images, but swap and raid1
almost always have a mismatch.
--
bill davidsen <davidsen@xxxxxxx>
CTO TMR Associates, Inc
"You are disgraced professional losers. And by the way, give us our money back."
- Representative Earl Pomeroy, Democrat of North Dakota
on the A.I.G. executives who were paid bonuses after a federal bailout.
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