Date: Fri, 27 Mar 2009 18:30:24 GMT From: Philipp Wuensche <cryx-freebsd@h3q.com> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/133134: Missing ZFS zpool labels Message-ID: <200903271830.n2RIUOfR028622@www.freebsd.org> Resent-Message-ID: <200903271840.n2RIe1pP036211@freefall.freebsd.org>
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>Number: 133134
>Category: misc
>Synopsis: Missing ZFS zpool labels
>Confidential: no
>Severity: serious
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Fri Mar 27 18:40:01 UTC 2009
>Closed-Date:
>Last-Modified:
>Originator: Philipp Wuensche
>Release: 8.0-CURRENT (source from 20090327)
>Organization:
>Environment:
FreeBSD whitebox.h3q.com 8.0-CURRENT FreeBSD 8.0-CURRENT #3: Fri Mar 27 12:32:59 CET 2009 root@whitebox.h3q.com:/usr/obj/usr/src/sys/GEENRIC amd64
>Description:
When showing the ZFS labels on a geom provider with "zdb -l <geom>" the labels 2 and 3 are missing.
If using a file as provider for the zpool, zdb shows the missing labels even when the zpool was created through an md-device.
>How-To-Repeat:
[whitebox:/root] root# dd if=/dev/zero of=test.img bs=1m count=100
100+0 records in
100+0 records out
104857600 bytes transferred in 0.315139 secs (332734638 bytes/sec)
[whitebox:/root] root# mdconfig -a -t vnode -f test.img
md0
[whitebox:/root] root# zpool create testpool /dev/md0
[whitebox:/root] root# zdb -l /dev/md0
--------------------------------------------
LABEL 0
--------------------------------------------
version=13
name='testpool'
state=0
txg=4
pool_guid=2022266848975434040
hostid=1432134653
hostname='whitebox.h3q.com'
top_guid=17323217701205895090
guid=17323217701205895090
vdev_tree
type='disk'
id=0
guid=17323217701205895090
path='/dev/md0'
whole_disk=0
metaslab_array=23
metaslab_shift=19
ashift=9
asize=100139008
is_log=0
--------------------------------------------
LABEL 1
--------------------------------------------
version=13
name='testpool'
state=0
txg=4
pool_guid=2022266848975434040
hostid=1432134653
hostname='whitebox.h3q.com'
top_guid=17323217701205895090
guid=17323217701205895090
vdev_tree
type='disk'
id=0
guid=17323217701205895090
path='/dev/md0'
whole_disk=0
metaslab_array=23
metaslab_shift=19
ashift=9
asize=100139008
is_log=0
--------------------------------------------
LABEL 2
--------------------------------------------
failed to read label 2
--------------------------------------------
LABEL 3
--------------------------------------------
failed to read label 3
[whitebox:/root] root# zdb -l test.img
--------------------------------------------
LABEL 0
--------------------------------------------
version=13
name='testpool'
state=0
txg=4
pool_guid=2022266848975434040
hostid=1432134653
hostname='whitebox.h3q.com'
top_guid=17323217701205895090
guid=17323217701205895090
vdev_tree
type='disk'
id=0
guid=17323217701205895090
path='/dev/md0'
whole_disk=0
metaslab_array=23
metaslab_shift=19
ashift=9
asize=100139008
is_log=0
--------------------------------------------
LABEL 1
--------------------------------------------
version=13
name='testpool'
state=0
txg=4
pool_guid=2022266848975434040
hostid=1432134653
hostname='whitebox.h3q.com'
top_guid=17323217701205895090
guid=17323217701205895090
vdev_tree
type='disk'
id=0
guid=17323217701205895090
path='/dev/md0'
whole_disk=0
metaslab_array=23
metaslab_shift=19
ashift=9
asize=100139008
is_log=0
--------------------------------------------
LABEL 2
--------------------------------------------
version=13
name='testpool'
state=0
txg=4
pool_guid=2022266848975434040
hostid=1432134653
hostname='whitebox.h3q.com'
top_guid=17323217701205895090
guid=17323217701205895090
vdev_tree
type='disk'
id=0
guid=17323217701205895090
path='/dev/md0'
whole_disk=0
metaslab_array=23
metaslab_shift=19
ashift=9
asize=100139008
is_log=0
--------------------------------------------
LABEL 3
--------------------------------------------
version=13
name='testpool'
state=0
txg=4
pool_guid=2022266848975434040
hostid=1432134653
hostname='whitebox.h3q.com'
top_guid=17323217701205895090
guid=17323217701205895090
vdev_tree
type='disk'
id=0
guid=17323217701205895090
path='/dev/md0'
whole_disk=0
metaslab_array=23
metaslab_shift=19
ashift=9
asize=100139008
is_log=0
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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