From 48a312866f6215b2c08723f2ab7a7563ba27b43e Mon Sep 17 00:00:00 2001 From: Patrick Donnelly Date: Tue, 11 Jun 2024 11:45:29 -0400 Subject: [PATCH] doc/cephfs: add documentation for `mds last-seen` Signed-off-by: Patrick Donnelly (cherry picked from commit cb5086ec820459fa3b3c4f8b0b014894499f7fab) --- doc/cephfs/administration.rst | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/doc/cephfs/administration.rst b/doc/cephfs/administration.rst index 8744a41ddf0..5760e67f73e 100644 --- a/doc/cephfs/administration.rst +++ b/doc/cephfs/administration.rst @@ -280,6 +280,17 @@ Mark the file system rank as repaired. Unlike the name suggests, this command does not change a MDS; it manipulates the file system rank which has been marked damaged. +:: + + ceph mds last-seen + +Learn the when the MDS named ``name`` was last in the FSMap. The JSON output +includes the epoch the MDS was last seen. Historically information is limited by +the following ``mon`` configuration: + + +.. confval:: mon_fsmap_prune_threshold + Required Client Features ------------------------ -- 2.39.5