doc: documenting the feature that scrub clear the entries from damage table on repair

Fixes: https://tracker.ceph.com/issues/67337
Signed-off-by: Neeraj Pratap Singh <neesingh@redhat.com>
(cherry picked from commit 140e77638dc95fefcf62f01fe7e45bc0729439be)

diff --git a/doc/cephfs/scrub.rst b/doc/cephfs/scrub.rst
index 5b813f1c41ad822051169f2e6fb59c6c26568698..9d6745ef7bf0aa2e7767846db15bd9be85ea2e51 100644 (file)
--- a/doc/cephfs/scrub.rst
+++ b/doc/cephfs/scrub.rst
@@ -143,6 +143,14 @@ The types of damage that can be reported and repaired by File System Scrub are:
 
 * BACKTRACE : Inode's backtrace in the data pool is corrupted.
 
+These above named MDS damages can be repaired by using the following command::
+
+    ceph tell mds.<fsname>:0 scrub start /path recursive, repair, force
+
+If scrub is able to repair the damage, the corresponding entry is automatically
+removed from the damage table.
+
+
 Evaluate strays using recursive scrub
 =====================================