Hello !
I have a machine that started to panic on boot (see panic message
below). It think it panics when it imports the pool (5 x 2 mirror).
Are there any ways to recover from that ?
Some history info: that machine was upgraded a couple of days ago from
snv78 to snv110. This morning zpool was upgraded to v14 and scrub was
run to verify data health. After 3 or 4 hours the scrub was stopped
(the IO impact was considered too high for the moment). Short time
after that one person reboot it (because it felt sluggish [I hope that
person will never get root access again ! ]). On reboot machine
panic'ed. I had a another boot disk with fresh b110, so I booted from
it, only to see it panic'ing again on zpool import.
So, any ideas how to get this pool imported ? This specific
organization uses Linux everywhere, but fileservers, due to ZFS. It
would be pity to let them loose their trust.
Here is the panic.
panic[cpu2]/thread=ffffff000c697c60: assertion failed: 0 ==
zap_remove_int(mos, ds_prev->ds_phys->ds_next_clones_obj, obj, tx),
file: ../../common/fs/zfs/dsl_dataset.c, line: 1493
ffffff000c6978d0 genunix:assfail+7e ()
ffffff000c697a50 zfs:dsl_dataset_destroy_sync+84b ()
ffffff000c697aa0 zfs:dsl_sync_task_group_sync+eb ()
ffffff000c697b10 zfs:dsl_pool_sync+112 ()
ffffff000c697ba0 zfs:spa_sync+32a ()
ffffff000c697c40 zfs:txg_sync_thread+265 ()
ffffff000c697c50 unix:thread_start+8 ()
--
Regards,
Cyril
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