From ce2b158f0cd50c6d53aa9bb7c588d7dd82a14642 Mon Sep 17 00:00:00 2001 From: =?utf8?q?=E8=83=A1=E7=8E=AE=E6=96=87?= Date: Sun, 19 Sep 2021 21:12:44 +0800 Subject: [PATCH] doc: clarify MDS failed state MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Since 58eaa237b0a1, an MDS is only promoted if it is compatible with the file system compat. The users may see persistent failed state even they have enough standby daemons. Signed-off-by: 胡玮文 --- doc/cephfs/mds-states.rst | 5 ++++- doc/cephfs/upgrading.rst | 2 ++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/doc/cephfs/mds-states.rst b/doc/cephfs/mds-states.rst index 7598f49487ca..b221396d6b69 100644 --- a/doc/cephfs/mds-states.rst +++ b/doc/cephfs/mds-states.rst @@ -154,7 +154,10 @@ No MDS actually holds this state. Instead, it is applied to the rank in the file failed 0 ... -Rank 0 is part of the failed set. +Rank 0 is part of the failed set and is pending to be taken over by a standby +MDS. If this state persists, it indicates no suitable MDS daemons found to be +assigned to this rank. This may be caused by not enough standby daemons, or all +standby daemons have incompatible campat (see also :ref:`upgrade-mds-cluster`). :: diff --git a/doc/cephfs/upgrading.rst b/doc/cephfs/upgrading.rst index 2dc29e1298bb..c06e3e8e0ca2 100644 --- a/doc/cephfs/upgrading.rst +++ b/doc/cephfs/upgrading.rst @@ -1,3 +1,5 @@ +.. _upgrade-mds-cluster: + Upgrading the MDS Cluster ========================= -- 2.47.3