Re: ZFS PANIC: HELP.
- Reply: Larry Rosenman : "Re: ZFS PANIC: HELP."
- In reply to: Alexander Motin : "Re: ZFS PANIC: HELP."
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Date: Thu, 24 Feb 2022 03:27:45 UTC
On 02/23/2022 9:15 pm, Alexander Motin wrote: > On 23.02.2022 22:01, Larry Rosenman wrote: >> On 02/23/2022 8:58 pm, Alexander Motin wrote: >>> 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. >> >> I get the errors shown at: >> https://www.lerctr.org/~ler/14-mount-R-output.png >> >> Should I worry? Or do something(tm) here? > > This looks weird, but may possibly depend on mount points topology, > whether /mnt is writable, etc. What happen if you export it now and > try to import it in normal way on 14 without -F? It crashes just after root mount (this is the boot pool and only pool on the system), seeL https://www.lerctr.org/~ler/14-BOOT-Crash.png -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 214-642-9640 E-Mail: ler@lerctr.org US Mail: 5708 Sabbia Dr, Round Rock, TX 78665-2106