Hi, On Tue, Nov 25, 2008 at 02:40:34PM +1100, Anibal Monsalve Salazar wrote: > On Mon, Nov 24, 2008 at 03:55:46PM +0100, Dejan Muhamedagic wrote: > >On Mon, Nov 24, 2008 at 05:33:22PM +1100, Anibal Monsalve Salazar wrote: > >>I'll start using ipmilan soon with the goal to raplace the sgi-ipmi > >>plugin with it. I have two questions. > >> > >>We have a minimum of two IPMI IP addresses per node. If one of > >>them is not responding, we use the other one for the reset > >>operation. But before the IMPI reset command, we ping the IPMI IP > >>address. We do the ping because we want to know in less than 3 > >>seconds if the IPMI IP address is responding to pings instead of > >>waiting 50 seconds for an IPMI command timeout. I'm planning to add > >>a ping function to ipmilan_command.c, is it a good idea? > > > >Fine with me. But please have it as an option, sth like > >monitor_with_ping which would default to false. > > Okay. > > >>How can I tell ipmilan that I have two two IPMI IP addresses per > >>node? > > > >No way. Unless somebody implements it :) > > I'll give it a try.
Perhaps not :) ... see below > >Isn't it a bit of an overkill to have two lights-out devices per > >node? If the device doesn't work the next monitor operation would > >fail and the admin should notice that. > > We have a private network and at least a public network. We've > defined one IPMI IP addr on the private network and the other one > on one of the public networks. If the BMC at the IPMI IP addr on > the private network fails, we use the other one. You could also define two stonith resources: one per IPMI device. On fencing request, they will be tried out in a round-robin fashion until one succeeds. Thanks, Dejan > _______________________________________________________ > Linux-HA-Dev: [email protected] > http://lists.linux-ha.org/mailman/listinfo/linux-ha-dev > Home Page: http://linux-ha.org/ _______________________________________________________ Linux-HA-Dev: [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha-dev Home Page: http://linux-ha.org/
