Re: ZFS txg rollback: expected timeframe?

Reply: Alexander Leidinger : "Re: ZFS txg rollback: expected timeframe?"
In reply to: Alexander Leidinger : "ZFS txg rollback: expected timeframe?"
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From: John F Carr <jfc_at_mit.edu>
Date: Tue, 31 Oct 2023 12:15:16 UTC


> On Oct 31, 2023, at 06:16, Alexander Leidinger <alexleidingerde@gmail.com> wrote:
> 
> Issue: a overheating CPU may have corrupted a zpool (4 * 4TB in raidz2 setup) in a way that a normal import of the pool panics the machine with "VERIFY3(l->blk_birth == r->blk_birth) failed (101867360 == 101867222)".
> 

I disabled that assertion because it gives a false alarm with some combinaion
of deduplication, cloning, and snapshotting on one of my systems.

See

 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=261538
 https://github.com/openzfs/zfs/issues/11480