ZFS stalled after some mirror disks were lost
Andriy Gapon
avg at FreeBSD.org
Mon Oct 2 21:07:23 UTC 2017
On 02/10/2017 23:55, Andriy Gapon wrote:
> Maybe that caused a domino effect in ZFS code. I see a lot of threads waiting
> either for spa_namespace_lock or a spa config lock (a highly specialized ZFS
> lock). But it is hard to untangle their inter-dependencies.
Forgot to add. It would be nice to determine an owner of spa_namespace_lock.
If you have debug symbols then it can be easily done in kgdb on the live system:
(kgdb) p spa_namespace_lock
--
Andriy Gapon
More information about the freebsd-fs
mailing list