fsck_ufs locked in snaplk
Kris Kennaway
kris at obsecurity.org
Sun Apr 23 20:17:34 UTC 2006
On Sun, Apr 23, 2006 at 07:35:37PM +0400, Dmitry Morozovsky wrote:
> Colleagues,
>
> one of my servers had to be rebooted uncleanly and then I have backgrounded
> fsck locked for more than an our in snaplk:
>
> 742 root 1 -4 4 1320K 688K snaplk 0:02 0.00% fsck_ufs
>
> File system in question is 200G gmirror on SATA. Usually making a snapshot
> (e.g., for making dumps) consumes 3-4 minutes for that fs, so it seems to me
> that filesystem is in a deadlock.
Is the process performing I/O? Background fsck deliberately runs at a
slow rate so it does not destroy I/O performance on the rest of the
system.
Kris
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