From: Sage Weil Date: Tue, 18 Aug 2015 17:57:37 +0000 (-0400) Subject: doc: ceph-osd binds to up to 4 ports, not 3 X-Git-Tag: v9.1.0~355^2 X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F5600%2Fhead;p=ceph.git doc: ceph-osd binds to up to 4 ports, not 3 Signed-off-by: Sage Weil --- diff --git a/doc/rados/configuration/network-config-ref.rst b/doc/rados/configuration/network-config-ref.rst index b07777bcb5c90..b7b6baa4e5e2e 100644 --- a/doc/rados/configuration/network-config-ref.rst +++ b/doc/rados/configuration/network-config-ref.rst @@ -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 | \---------------/