On 03/04/11 09:31, Jonathan Tripathy wrote:
Hi Everyone,
I'm running CentOS 5.5 which a stock version of mdadm. I have 2
physical disks in a RAID1 setup. Each disk has 4 md partitions on it.
I'm experiencing the issues associated with the raid-check script
every Sunday morning, where whatever is happening, a re-sync happens.
Doing a little reading around Google, I see that this is probably
caused by the mismatch_cnt being non-zero, which apparently is normal
for RAID1 devices. According to this bug:
https://bugzilla.redhat.com/show_bug.cgi?id=566828
someone has made a patch for RedHat so that mismatch_cnt isn't checked
on RAID1 setups. However, since I don't use RedHat, and I don't really
want to compile mdadm from scratch, is there a workaround for this? I
don't want to just disable the raid-check script, as I think it does
some other important checks which are useful for RAID1.
Any help would be appreciated
Thanks
Seems like I'm a little confused...
To apply that patch, I don't need to re-compile, as it's just a script
run by cron. However, looking at the script, it may not fix my "resync"
issue which is happening every Sunday. Looks like that script just stops
the mismatch warning email from being sent.
My main concern, is that during these resyncs, I loose redundancy, don't I?
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