doc: add note about snap-schedule snapshot retention

Signed-off-by: Milind Changire <mchangir@redhat.com>
(cherry picked from commit 414ad9619b42d3cdf7e1ceab9a05d1830b63d82d)

diff --git a/PendingReleaseNotes b/PendingReleaseNotes
index 8322ba3ad3f094e801eb3f275937b0a6cd119e18..c54d6a9d79eb2c34fee7a27fb1086e36a807d071 100644 (file)
--- a/PendingReleaseNotes
+++ b/PendingReleaseNotes
@@ -132,6 +132,10 @@
 * CEPHFS: After recovering a Ceph File System post following the disaster recovery
   procedure, the recovered files under `lost+found` directory can now be deleted.
 * core: cache-tiering is now deprecated.
+* mgr/snap_schedule: The snap-schedule mgr module now retains one less snapshot
+  than the number mentioned against the config tunable `mds_max_snaps_per_dir`
+  so that a new snapshot can be created and retained during the next schedule
+  run.
 
 >=16.2.8
 --------