> Eventually the problem was diagnosed to be caused by the data on the two
> mirrored disks not being identical.
I guess you didn't disable the write-cache of your Harddrives?
With write-cache enabled (/ no USV) it's somewhat unfair to
blaime 'md'..
> It seems that the kernel does not check the integrity of the data on mirrored
> raid,
It does if you tell the kernel to do so:
# echo check > /sys/block/md0/md/sync_action
Quote from 'Documentation/md.txt'
> check - A full check of redundancy was requested and is
> happening. This reads all block and checks
> them. A repair may also happen for some raid
> levels.
Regards,
Adrian
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