Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Sorry - probably should have replied this to the group: ---------- Forwarded message ---------- From: Bob Goldberg <bobg.hahc at gmail.com> Date: Jul 21, 2008 1:41 PM Subject: Re: [DRBD-user] Redundancy To: "nathan at robotics.net" <nathan at robotics.net> On 7/19/08, nathan at robotics.net <nathan at robotics.net> wrote: > > > Is it possible to specify more then one IP address in a DRBD config? I just > ran into a nasty split brain scenario that I did not think about. > > I am using infiniband between my two hosts and my infiniband cable was > disconnected. Cluster MANager was still running on the gigabit ethernet > interface, so nothing was fenced even tho DRBD was partitioned because of > lack of infiniband IPoIB interface. > > FYI/FWIW: you can't do this with drbd - but you CAN if you're using HA (high availability). w/ HA, you basically have a cluster which can be addressed like: server 1: 192.168.0.2 server 2: 192.168.0.3 HA cluster (in HA's conf file) designates the above 2 servers can be addressed via: HAcluster: 192.168.0.5 so regardless of which server is up, and servicing your drbd partition, the resource is addressed via the cluster's IP, not either of the server's IP's. ie: mount 192.168.0.5:/drbdShare /mnt HTH - Bob -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.linbit.com/pipermail/drbd-user/attachments/20080721/18488241/attachment.htm>