I'm trying to destroy a zfs array which I recently created. It contains
nothing of value.
# zpool status
pool: storage
state: ONLINE
status: One or more devices could not be used because the label is
missing or
invalid. Sufficient replicas exist for the pool to continue
functioning in a degraded state.
action: Replace the device using 'zpool replace'.
see: http://www.sun.com/msg/ZFS-8000-4J
scrub: none requested
config:
NAME STATE READ WRITE CKSUM
storage ONLINE 0 0 0
raidz2 ONLINE 0 0 0
gpt/disk01 ONLINE 0 0 0
gpt/disk02 ONLINE 0 0 0
gpt/disk03 ONLINE 0 0 0
gpt/disk04 ONLINE 0 0 0
gpt/disk05 ONLINE 0 0 0
/tmp/sparsefile1.img UNAVAIL 0 0 0 corrupted
data
/tmp/sparsefile2.img UNAVAIL 0 0 0 corrupted
data
errors: No known data errors
Why sparse files? See this post:
http://docs.freebsd.org/cgi/getmsg.cgi?fetch=1007077+0+archive/2010/freebsd-stable/20100725.freebsd-stable
The two tmp files were created via:
dd if=/dev/zero of=/tmp/sparsefile1.img bs=1 count=0 oseek=1862g
dd if=/dev/zero of=/tmp/sparsefile2.img bs=1 count=0 oseek=1862g
And the array created with:
zpool create -f storage raidz2 gpt/disk01 gpt/disk02 gpt/disk03 \
gpt/disk04 gpt/disk05 /tmp/sparsefile1.img /tmp/sparsefile2.img
The -f flag was required to avoid this message:
invalid vdev specification
use '-f' to override the following errors:
mismatched replication level: raidz contains both files and devices
I tried to offline one of the sparse files:
zpool offline storage /tmp/sparsefile2.img
That caused a panic: http://www.langille.org/tmp/zpool-offline-panic.jpg
After rebooting, I rm'd both /tmp/sparsefile1.img and
/tmp/sparsefile2.img without thinking they were still in the zpool. Now
I am unable to destroy the pool. The system panics. I disabled ZFS via
/etc/rc.conf, rebooted, recreated the two sparse files, then did a
forcestart of zfs. Then I saw:
# zpool status
pool: storage
state: ONLINE
status: One or more devices could not be used because the label is
missing or
invalid. Sufficient replicas exist for the pool to continue
functioning in a degraded state.
action: Replace the device using 'zpool replace'.
see: http://www.sun.com/msg/ZFS-8000-4J
scrub: none requested
config:
NAME STATE READ WRITE CKSUM
storage ONLINE 0 0 0
raidz2 ONLINE 0 0 0
gpt/disk01 ONLINE 0 0 0
gpt/disk02 ONLINE 0 0 0
gpt/disk03 ONLINE 0 0 0
gpt/disk04 ONLINE 0 0 0
gpt/disk05 ONLINE 0 0 0
/tmp/sparsefile1.img UNAVAIL 0 0 0 corrupted
data
/tmp/sparsefile2.img UNAVAIL 0 0 0 corrupted
data
errors: No known data errors
Another attempt to destroy the array created a panic.
Suggestions as to how to remove this array and get started again?
--
Dan Langille - http://langille.org/
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