[Bug 282622] zfs snapshot corruption when using encryption

From: <bugzilla-noreply_at_freebsd.org>
Date: Sat, 09 Nov 2024 12:45:15 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=282622

Miroslav Lachman <000.fbsd@quip.cz> changed:

           What    |Removed                     |Added
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                 CC|                            |000.fbsd@quip.cz

--- Comment #8 from Miroslav Lachman <000.fbsd@quip.cz> ---
Just a data point.
I am running FreeBSD 13.3-RELEASE-p7 amd64 GENERIC with ZFS native encryption:

# zfs get encryption,encryptionroot tank0/vol0/remote_backup
NAME                      PROPERTY        VALUE                     SOURCE
tank0/vol0/remote_backup  encryption      aes-256-gcm               -
tank0/vol0/remote_backup  encryptionroot  tank0/vol0/remote_backup  -

Under tank0/vol0/remote_backup there are 42 descendant encrypted filesystems.
There are about 10TB of data - rsync backups of remote machines. Each day there
are new snapshots for each encrypted FS. (1671 currently present)

This machines is in production from 2023-03 without any issues described in
this PR.

Key is loaded manually by zfs load-key tank0/vol0/remote_backup

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