Hi,
In a slight panic here as my main ZFS pool "tank" won't mount.
I have two ZFS pools on two different drives - a system pool on a
single disk called "data" and a mirrored pool on two disks called
"tank".
The "tank" zpool contains all my jails and non-system boot type data.
I was wanting to test FreeBSD 8.2-PRERELEASE and therefore took a
snapshot of "data" and "tank":
zfs snapshot -r d...@pre82
zfs snapshot -r t...@pre82
"tank" seemed to hang on the above command for ages and I had to Ctrl-C.
Long and short is I can see the "tank" zpool without a problem, but
whenever I try to import it the disk light flashes every second and
the datasets won't mount.
I can run a history command on "tank" and that shows the following
repeated every second (tgx keeps incrementing by one):
2010-11-28.15:08:33 [internal rollback txg:9645688] dataset = 222
[user root on systemname.com]
2010-11-28.15:08:34 [internal rollback txg:9645689] dataset = 222
[user root on systemname.com]
The zpool seems to be stuck.
What should I do from here?
Is there a way to "freeze" dataset operations so I can at least mount them?
Other thoughts and questions I had:
a) What would be the best way to take a raw image of the zpool so I
can work on a copy of the zpool rather than the original?
b) Would it be worth trying to import the zpool on FreeBSD current or
OpenSolaris?
Any help greatly appreciated.
Kind regards,
Geoff
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