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Date:      Sat, 09 Nov 2024 02:08:50 +0000
From:      bugzilla-noreply@freebsd.org
To:        fs@FreeBSD.org
Subject:   [Bug 282622] zfs snapshot corruption when using encryption
Message-ID:  <bug-282622-3630-2P0kmJd7cl@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-282622-3630@https.bugs.freebsd.org/bugzilla/>
References:  <bug-282622-3630@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D282622

void@f-m.fm changed:

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                 CC|                            |void@f-m.fm

--- Comment #4 from void@f-m.fm ---
(In reply to Lexi Winter from comment #3)

> i've run into this about a year ago on 13.something, and=20
> it's still present in 15.0.

That's interesting. can you reproduce the error reliably?

> a workaround to avoid removing the snapshot is to reboot,=20
> which will cause the snapshot to work again: the issue seems=20
> to be purely with the data in memory.

How much memory? Any zfs sysctls? vfs.zfs.arc.max?

> there should probably be a warning somewhere in the manual that=20
> ZFS encryption is not actually usable, or perhaps it should=20
> even be locked behind a sysctl.

In my context (15-current) it can be used but haven't used it yet=20
for snapshot/restore (am using tar for this).

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