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Diffstat (limited to 'doc/cephfs/administration.rst')
| -rw-r--r-- | doc/cephfs/administration.rst | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/doc/cephfs/administration.rst b/doc/cephfs/administration.rst index 5760e67f73e..07646bff067 100644 --- a/doc/cephfs/administration.rst +++ b/doc/cephfs/administration.rst @@ -61,10 +61,17 @@ is a subset of the same information from the ``ceph fs dump`` command. :: - ceph fs set <file system name> <var> <val> + ceph fs set <file system name> <var> <val> [--yes-i-really-mean-it] Change a setting on a file system. These settings are specific to the named -file system and do not affect other file systems. +file system and do not affect other file systems. Confirmation flag is only +needed for changing ``max_mds`` when cluster is unhealthy. + +.. note:: It is mandatory to pass confirmation flag (--yes--i-really-mean-it) + for modifying FS setting variable ``max_mds`` when cluster is unhealthy. + It has been added a precaution to tell users that modifying ``max_mds`` + during troubleshooting or recovery might not help. Instead, it might + further destabilize the cluster. :: |