ZFS import panic with r219703

[Volodymyr Kostyrko]

17.03.2011 01:03, Freddie Cash wrote:
> Anytime I try to import my pool built using 24x HAST devices, I get
> the following message, and the system reboots:
>
> panic: solaris assert: dmu_free_range(os, smo->smo_object, 0, -1ULL,
> tx) == 0, file:
> /usr/src/sys/modules/zfs/../../cddl/contrib/opensolaris/uts/common/fs/space_map.c,
> line: 484
>
> Everything runs nicely if I don't import the pool.
>
> Doing a "zpool import" shows that one of the HAST devices is FAULTED
> "corrupted data".
>
> Haven't tried anything to remove/replace the faulted device, just
> wanted to see if anyone knew what the above error meant.
>
> Pool was created using r219523 and successfully copied over 1 TB of
> data from another ZFS system.  Had some issues with gptboot this
> morning and the system locking up and rebooting a bunch, and now the
> pool won't import.

Oh, the garbled space_map issue. The system will assert any time the 
pool is imported in r/w. ZFSv28 is able to import pool in r/o state and 
this is as far as I know the only way to recover data from such pool. 
Anyway pool should be recreated.

-- 
Sphinx of black quartz judge my vow.