From e69cce7e510bfa41cb9fb14dd269d51ca5421f93 Mon Sep 17 00:00:00 2001 From: Dan Helfman Date: Thu, 20 Feb 2025 14:04:23 -0800 Subject: [PATCH] Document ZFS snapshotting exclusion of "canmount=off" datasets (#1001). --- docs/how-to/snapshot-your-filesystems.md | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/docs/how-to/snapshot-your-filesystems.md b/docs/how-to/snapshot-your-filesystems.md index a9f2d267..36078ead 100644 --- a/docs/how-to/snapshot-your-filesystems.md +++ b/docs/how-to/snapshot-your-filesystems.md @@ -65,6 +65,11 @@ If you have multiple borgmatic configuration files with ZFS enabled, and you'd like particular datasets to be backed up only for particular configuration files, use the `source_directories` option instead of the user property. +New in version 1.9.11 borgmatic +won't snapshot datasets with the `canmount=off` property, which is often set on +datasets that only serve as a container for other datasets. Use `zfs get +canmount datasetname` to see the `canmount` value for a dataset. + During a backup, borgmatic automatically snapshots these discovered datasets (non-recursively), temporarily mounts the snapshots within its [runtime directory](https://torsion.org/borgmatic/docs/how-to/backup-your-databases/#runtime-directory),