[Bug 271352] "live" dump -- with a snapshot -- broken by recent upgrade

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 09 Jun 2023 06:19:55 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=271352

--- Comment #8 from Kirk McKusick <mckusick@FreeBSD.org> ---
(In reply to Mikhail T. from comment #7)
You remove the snapshot using the `rm' command just as you would any other
file.
The mksnap_ffs(8) manual page got updated to note this just recently.

It is UFS1 as noted at the top of your dumpfs(8) output.

The fact that you are able to create a snapshot means that the problem is with
the dump command being unsuccessful at doing that. There have been no changes
in dump(8) that should affect that.

Another useful test would be to have you run `fsck_ffs -B -d /home' which needs
to be run with /home mounted R/W. The -B option runs a background fsck in which
fsck takes a snapshot and then checks the snapshot. Mostly just checking that
fsck is able to take and use a snapshot.

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