[pbs-devel] [PATCH proxmox-backup 6/9] docs: mention GC atime update check for tuning options

[Christian Ebner <c.ebner@proxmox.com>]

Document the gc-atime-check flag and describe the behavior it
controls, by adding it as additional bullet point to the documented
datastore tuning options.

This also fixes the intendation for the cli example how to set the
sync level, to make it clear that still belongs to the previous
bullet point.

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
changes since version 1:
- not present in previous version

 docs/storage.rst | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/docs/storage.rst b/docs/storage.rst
index 490302955..9e2ff4a5e 100644
--- a/docs/storage.rst
+++ b/docs/storage.rst
@@ -435,9 +435,16 @@ There are some tuning related options for the datastore that are more advanced:
 
   This can be set with:
 
-.. code-block:: console
+  .. code-block:: console
+
+    # proxmox-backup-manager datastore update <storename> --tuning 'sync-level=filesystem'
 
-  # proxmox-backup-manager datastore update <storename> --tuning 'sync-level=filesystem'
+* ``gc-atime-check``: Datastore GC atime update check:
+  You can explicitly `enable` or `disable` the atime update check performed on
+  datastore creation and garbage collection. This checks if atime updates are
+  handled as expected by garbage collection and therefore avoids the risk of
+  data loss by unexpected filesystem behaviour. It is recommended to set this to
+  enabled, which is also the default value.
 
 If you want to set multiple tuning options simultaneously, you can separate them
 with a comma, like this:
-- 
2.39.5



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