From mboxrd@z Thu Jan 1 00:00:00 1970 From: pcaulfield@sourceware.org Date: 22 Aug 2007 15:13:58 -0000 Subject: [Cluster-devel] cluster/cman/man cman.5 Message-ID: <20070822151358.14727.qmail@sourceware.org> List-Id: To: cluster-devel.redhat.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit CVSROOT: /cvs/cluster Module name: cluster Changes by: pcaulfield at sourceware.org 2007-08-22 15:13:58 Modified files: cman/man : cman.5 Log message: Add some information about setting up multi-home (redundant ring) Patches: http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/cman/man/cman.5.diff?cvsroot=cluster&r1=1.8&r2=1.9 --- cluster/cman/man/cman.5 2007/08/22 15:13:11 1.8 +++ cluster/cman/man/cman.5 2007/08/22 15:13:58 1.9 @@ -86,6 +86,27 @@ + +.in -7 +\fIMulti-home configuration\fR +.in +7 +It is quite common to use multiple ethernet adaptors for cluster nodes, so +they will tolerate the failure of one link. A common way to do this is to use +ethernet bonding. Alternatively you can get openais to run in redundant ring +mode by specifying an 'altname' for the node. This is an alternative name by +which the node is known, that resolves to another IP address used on the +other ethernet adaptor(s). You can optionally specify a different port and/or +multicast address for each altname in use. Up to 9 altnames (10 interfaces +in total) can be used. + +Note that if you are using the DLM with cman/openais then you MUST tell it +to use SCTP as it's communications protocol as TCP does not support multihoming. + + + + + + .in -7