Date: Wed, 23 Feb 2022 21:58:22 -0500 From: Alexander Motin <mav@FreeBSD.org> To: Larry Rosenman <ler@lerctr.org> Cc: Freebsd current <freebsd-current@freebsd.org> Subject: Re: ZFS PANIC: HELP. Message-ID: <a5f379a6-c2bd-f1e9-a281-bb657f3ccb75@FreeBSD.org> In-Reply-To: <1b6b2017ba69e6fda1ca237c3016ac61@lerctr.org> References: <07c0c9c34b4a4133acab597c96867d27@lerctr.org> <95c7c326-e2f9-6e66-7b97-b9fb2671f4ad@FreeBSD.org> <1b6b2017ba69e6fda1ca237c3016ac61@lerctr.org>
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On 23.02.2022 21:52, Larry Rosenman wrote: > On 02/23/2022 8:41 pm, Alexander Motin wrote: >> Hi Larry, >> >> The panic you are getting is an assertion, enabled by kernel built >> with INVARIANTS option. On 13 you may just not have that debugging >> enabled to hit the issue. But that may be only a consequence. >> Original problem I guess in possibly corrupted ZFS intent log records >> (or false positive), that could happen so due to use of -F recovery >> option on `zpool import`, that supposed to try import pool at earlier >> transaction group if there is some metadata corruption found. It is >> not supposed to work 100% and only a last resort. Though may be that >> assertion is just excessively strict for that specific recovery case. >> If as you say pool can be imported and scrubbed on 13, then I'd expect >> following clean export should allow later import on 14 without -F. >> >> On 23.02.2022 21:21, Larry Rosenman wrote: >>> >>> 've got my main dev box that crashes on 14 with the screen shot at >>> https://www.lerctr.org/~ler/14-zfs-crash.png. >>> Booting from a 13-REL USB installer it imports and scrubs. >>> >>> Ideas? >>> >>> I can either video conference with shared screen or give access to >>> the console via my Dominion KVM. >>> >>> Any help/ideas/etc welcome I really need to get this box back. >>> >>> > How can I import the pool withOUT it mounting the FileSystems so I can > export it cleanly on the 13 system? Why do you need to import without mounting file systems? I think you may actually wish them to be mounted to replay their ZILs. Just use -R option to mount file systems in some different place. -- Alexander Motin
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