Hi, On Thu, Dec 20, 2007 at 05:48:10PM +0900, Trent Lloyd wrote: > Hi All, > > I have recently setup a 2-node iSCSI fail-over array backed onto > shared SAS MD3000 storage.
How is this thing connected: is it iSCSI or SAS? > I have everything (including RDAC) working fine on my Debian Etch > nodes - however I am curious if it is possible to get heartbeat to > demote itself if it loses access to the disks - I am not sure if I am > missing something but it seems if the disks start failing on a node > there's no mechanism to cause it to failover. The kernel should take care of that. If the computer hangs or crashes, there won't be heartbeat and, after a successful fencing operation (you do have a stonith device, right?), a failover will occur. You can also configure a watchdog. Or did I misunderstand your question? > Is there anything to do this currently?I can't see anything. I figure > it would be possible to write a plugin to monitor the dm-multipath > stuff - is this a reasonable approach? It's been a long time since I used that. How can one monitor dm-multipath? Isn't it fault tolerant? Thanks, Dejan > Hoping someone can point me in the right direction of an existing > solution or if this would be a good solution to develop. > > Regards, > Trent > _______________________________________________ > Linux-HA mailing list > [email protected] > http://lists.linux-ha.org/mailman/listinfo/linux-ha > See also: http://linux-ha.org/ReportingProblems -- Dejan _______________________________________________ Linux-HA mailing list [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
