Skip to content

Commit

Permalink
doc: ceph-osd binds to up to 4 ports, not 3
Browse files Browse the repository at this point in the history 
Signed-off-by: Sage Weil <sage@redhat.com>
  • Loading branch information
@liewegas
liewegas committed Aug 18, 2015
1 parent f2cbbdd commit 792e24b
Showing 1 changed file with 8 additions and 12 deletions.
20 changes: 8 additions & 12 deletions doc/rados/configuration/network-config-ref.rst
View file
Original file line number Diff line number Diff line change
Expand Up @@ -124,26 +124,22 @@ By default, Ceph OSD Daemons `bind`_ to the first available ports on a Ceph Node
beginning at port 6800. Note that this behavior is not deterministic, so if you
are running more than one OSD or MDS on the same host, or if you restart the
daemons within a short window of time, the daemons will bind to higher ports.
Each Ceph OSD Daemon on a Ceph Node may use up to three ports:
Each Ceph OSD Daemon on a Ceph Node may use up to four ports:

#. One for talking to clients and monitors.
#. One for sending data to other OSDs.
#. One for heartbeating.
#. Two for heartbeating on each interface.

.. ditaa::
/---------------\
| OSD |
| +---+----------------+
| | Clients & Monitors |
| +---+----------------+
| +---+----------------+-----------+
| | Clients & Monitors | Heartbeat |
| +---+----------------+-----------+
| |
| +---+----------------+
| | Data Replication |
| +---+----------------+
| |
| +---+----------------+
| | Heartbeat |
| +---+----------------+
| +---+----------------+-----------+
| | Data Replication | Heartbeat |
| +---+----------------+-----------+
| cCCC |
\---------------/

Expand Down

0 comments on commit 792e24b

Please sign in to comment.