Re: component device mismatches found: 9600

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On 01/08/2011 20:44, Timothy D. Lenz wrote:
On 7/31/2011 11:32 AM, Mathias Burén wrote:
On 31 July 2011 19:24, Timothy D. Lenz<tlenz@xxxxxxxxxx> wrote:
Looking through the logs, I found this in daemon.log.0. Is this a
sign of a
problem? Below is the entire log:
[...]
Jul 3 01:03:01 x64VDR mdadm[2003]: RebuildFinished event detected on md
device /dev/md1, component device mismatches found: 9600
[...]
md1 : active raid1 sdb2[1] sda2[0]
4891712 blocks [2/2] [UU]

Hmm. Is this 5GB RAID-1 your swap partition? If so, don't worry about it - there is an oddity that mismatches can crop up on RAID-1 arrays when a write is abandoned after one drive has been written but the other hasn't (I think that's the explanation), it's most often seen on swap, and it's harmless.

Red Hat disabled reporting mismatches on RAID-1 because of this.

Cheers,

John.

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