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SubjectRe: [linux-lvm] 2.6.22-rc4 XFS fails after hibernate/resume
David Greaves wrote:
> David Robinson wrote:
>> David Greaves wrote:
>>> This isn't a regression.
>>> I was seeing these problems on 2.6.21 (but 22 was in -rc so I waited
>>> to try it).
>>> I tried 2.6.22-rc4 (with Tejun's patches) to see if it had improved -
>>> no.
>>> Note this is a different (desktop) machine to that involved my recent
>>> bugs.
>>> The machine will work for days (continually powered up) without a
>>> problem and then exhibits a filesystem failure within minutes of a
>>> resume.


> OK, that gave me an idea.
> Freeze the filesystem
> md5sum the lvm
> hibernate
> resume
> md5sum the lvm
> So the lvm and below looks OK...
> I'll see how it behaves now the filesystem has been frozen/thawed over
> the hibernate...

And it appears to behave well. (A few hours compile/clean cycling kernel builds
on that filesystem were OK).

Historically I've done:
echo platform > /sys/power/disk
echo disk > /sys/power/state
# resume

and had filesystem corruption (only on this machine, my other hibernating xfs
machines don't have this problem)

So doing:
xfs_freeze -f /scratch
echo platform > /sys/power/disk
echo disk > /sys/power/state
# resume
xfs_freeze -u /scratch

Works (for now - more usage testing tonight)

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