Re: frequent disk error, need guidance
- In reply to: Gary Aitken : "Re: frequent disk error, need guidance"
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Date: Sun, 16 Apr 2023 02:13:47 UTC
>> I'd shut down to single user, make a /.snap directory, and do dump -L >> to tell it to make a snapshot before dumping. That should work OK. > > Thanks. > (Needed to mount /tmp read-write) > The -L didn't work because boot -s mounted the filesystem read-only; > at least that's what it claimed: > > dump -0 -L -f - /dev/ada0p2 | restore -r -Dv -f - > Verify tape and initialize maps > DUMP: WARNING: -L ignored for read-only filesystem > > Not sure I understand that; > does -s normally start in read-only mode? > Has it always done that? It's been quite a while since I did that. Don't remember, but if the filesystem is read-only, that's even better than -L because you know it won't change at all. > It looks like the bad blocks/sectors were files in > /var/db/freebsd-update/files/xxx.gz > I unzipped a file in that directory and it appears that they are the > saved files from the old system when upgrading. Is that correct? > Any reason not to remove all files in > /var/db/freebsd-update/files > since the upgraded to 12.x system has been running for several months > now? I think that should be OK too. Regards, John Levine, johnl@taugh.com, Primary Perpetrator of "The Internet for Dummies", Please consider the environment before reading this e-mail. https://jl.ly