Date: Wed, 20 Jun 2007 23:14:42 +0100 From: Hugo Silva <hugo@barafranca.com> To: freebsd-current@FreeBSD.ORG, Pawel Jakub Dawidek <pjd@FreeBSD.org> Subject: ZFS scrub gone wrong Message-ID: <4679A6D2.9020302@barafranca.com>
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Hi,
Tonight I was manually running a scrub on my ZFS pool for the first
time. After a few minutes of operation, sound began repeating and the
computer spontaneously rebooted.
All I have in the logs is:
*Jun 20 22:31:46 nexus root: ZFS: checksum mismatch, zpool=mypool
path=/dev/ad1s2 offset=47253578752 size=3072*
Jun 20 22:32:53 nexus syslogd: kernel boot file is /boot/kernel/kernel
Jun 20 22:32:53 nexus kernel: Copyright (c) 1992-2007 The FreeBSD Project.
Jun 20 22:32:53 nexus kernel: Copyright (c) 1979, 1980, 1983, 1986,
1988, 1989, 1991, 1992, 1993, 1994
Jun 20 22:32:53 nexus kernel: The Regents of the University of
California. All rights reserved.
Jun 20 22:32:53 nexus kernel: FreeBSD is a registered trademark of The
FreeBSD Foundation.
Jun 20 22:32:53 nexus kernel: FreeBSD 7.0-CURRENT #3: Sun Jun 10
12:43:23 WEST 2007
The pool:
pool: mypool
state: ONLINE
scrub: none requested
config:
NAME STATE READ WRITE CKSUM
mypool ONLINE 0 0 0
mirror ONLINE 0 0 0
ad0s2 ONLINE 0 0 0
ad1s2 ONLINE 0 0 0
errors: No known data errors
I'm not sure if it was a coincidence or not, but it crashed while I was
doing a zpool iostat 1.
Any ideas about the ZFS error shown above ?
Best regards,
Hugo
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