Re: Resync Every Sunday

[Jonathan Tripathy <jonnyt@abpni.co.uk>]

On 01/07/2012 22:24, Larkin Lowrey wrote:
> There was a fedora bug in the raid-check script would only queue an
> array for check if the array_state was 'clean'. Unfortunately, when the
> array is busy performing normal I/O its array_state is 'active'. So, any
> arrays which were servicing I/O at the time raid-check was run would not
> be checked.
>
> It is quite possible that your CentOS version does not include the fix.
>
> https://bugzilla.redhat.com/show_bug.cgi?id=679843
>
> If it's fixed you should see something like:
>
> # Only perform the checks on idle, healthy arrays, but delay
> # actually writing the check field until the next loop so we
> # don't switch currently idle arrays to active, which happens
> # when two or more arrays are on the same physical disk
> array_state=`cat /sys/block/$dev/md/array_state`
> if [ "$array_state" != "clean" -a "$array_state" != "active" ]; then
>      continue
> fi
>
> The fix, iirc, was simply the inclusion of '-a "$array_state" !=
> "active"' in the 'if' statement above.
>
> --Larkin
Hi Larkin,

This sounds like exactly what I'm experiencing.

Is this 'if' statement supposed to be in the raid-check script? I don't 
have any if statement in my raid-check script

Thanks