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List: freebsd-fs
Subject: Re: (Yet Another) Damaged directory on ZFS?
From: Andrew Reilly <areilly () bigpond ! net ! au>
Date: 2011-11-24 23:08:22
Message-ID: 20111124230822.GA96603 () johnny ! reilly ! home
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On Tue, Nov 01, 2011 at 03:41:18AM +0000, John wrote:
> Hi Folks,
>
> We have a zfs fileserver running 9.0-RC1 which appears to have locked
> up in a manner similar to the "Damanged directory on ZFS" thread.
>
> It started after a zfs snapshat which appears to have hung. At
> that point, an "ls" command on a directory which is either empty
> or contains only other directories works correctly. An "ls" on
> a directory containing a file will hang.
Just want to add a sort-of "me too", to this question, in the
hope that I will learn something useful.
For a couple of weeks I've been seeing messages in
my daily security reports along the lines of: find:
/usr/src/.zfs/snapshot: bad file descriptor
I can get the same message now by just cd'ing into one of the
two "broken" .zfs directories and comparing ls -F output with a
version that doesn't check the inode data:
ls: snapshot: Bad file descriptor
shares/
"zfs list -r -t snapshot" shows all of the snapshots created by
my nightly backups to still exist, seemingly.
A zpool scrub tank did not change or make them go away.
No processes appear to be stuck, wedged or otherwise broken.
FWIW I'm running:
FreeBSD johnny.reilly.home 9.0-RC1 FreeBSD 9.0-RC1 #4: Sat Nov 5 14:52:15 EST 2011 \
root@johnny.reilly.home:/usr/obj/usr/src/sys/GENERIC amd64
Cheers,
--
Andrew
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