import ceph 14.2.5

[ceph.git] / ceph / doc / rados / configuration / mon-osd-interaction.rst

diff --git a/ceph/doc/rados/configuration/mon-osd-interaction.rst b/ceph/doc/rados/configuration/mon-osd-interaction.rst
index e335ff070587ce9ed5aea0e181d81f5a28d84ecb..a7324ebb0e5541e996e69f8140a3e0ab71e24398 100644 (file)
--- a/ceph/doc/rados/configuration/mon-osd-interaction.rst
+++ b/ceph/doc/rados/configuration/mon-osd-interaction.rst
@@ -24,10 +24,8 @@ monitoring the Ceph Storage Cluster.
 OSDs Check Heartbeats
 =====================
 
-Each Ceph OSD Daemon checks the heartbeat of other Ceph OSD Daemons every 6
-seconds. You can change the heartbeat interval by adding an ``osd heartbeat
-interval`` setting under the ``[osd]`` section of your Ceph configuration file,
-or by setting the value at runtime. If a neighboring Ceph OSD Daemon doesn't
+Each Ceph OSD Daemon checks the heartbeat of other Ceph OSD Daemons at random
+intervals less than every 6 seconds.  If a neighboring Ceph OSD Daemon doesn't
 show a heartbeat within a 20 second grace period, the Ceph OSD Daemon may
 consider the neighboring Ceph OSD Daemon ``down`` and report it back to a Ceph
 Monitor, which will update the Ceph Cluster Map. You may change this grace
@@ -154,7 +152,7 @@ consider the Ceph OSD Daemon ``down`` after the  ``mon osd report timeout``
 elapses. A Ceph OSD Daemon sends a report to a Ceph Monitor when a reportable
 event such as a failure, a change in placement group stats, a change in
 ``up_thru`` or when it boots within 5 seconds. You can change the Ceph OSD
-Daemon minimum report interval by adding an ``osd mon report interval min``
+Daemon minimum report interval by adding an ``osd mon report interval``
 setting under the ``[osd]`` section of your Ceph configuration file, or by
 setting the value at runtime. A Ceph OSD Daemon sends a report to a Ceph
 Monitor every 120 seconds irrespective of whether any notable changes occur.
@@ -379,24 +377,23 @@ OSD Settings
 :Default: ``30``
 
 
-``osd mon report interval max``
+``osd mon heartbeat stat stale``
 
-:Description: The maximum time in seconds that a Ceph OSD Daemon can wait before
-              it must report to a Ceph Monitor.
+:Description: Stop reporting on heartbeat ping times which haven't been updated for
+              this many seconds.  Set to zero to disable this action.
 
 :Type: 32-bit Integer
-:Default: ``120``
+:Default: ``3600``
 
 
-``osd mon report interval min``
+``osd mon report interval``
 
-:Description: The minimum number of seconds a Ceph OSD Daemon may wait
+:Description: The number of seconds a Ceph OSD Daemon may wait
               from startup or another reportable event before reporting
               to a Ceph Monitor.
 
 :Type: 32-bit Integer
 :Default: ``5``
-:Valid Range: Should be less than ``osd mon report interval max``
 
 
 ``osd mon ack timeout``