[CentOS] SAN help

Fri Jan 8 15:39:40 UTC 2010
Ray Van Dolson <rayvd at bludgeon.org>

On Fri, Jan 08, 2010 at 09:37:25AM -0600, Paras pradhan wrote:
> Per,
> Yes I have a device mapper out of my detected LUNS. My storage is Hitachi
> OpenV . My multipath.conf files looks like below. Do I need to add anything
> to it since failover is not working. When I unplugg the cable in the 1st
> port of my HBA... my server reboots and I don't know what is causing this
> reboot. And after reboot when I plug the cable back, no recovery is done and
> to make it work I have to reboot the server once again with cable plugged.
> --
> blacklist {
> devnode "^sda"
> }
> defaults {
> user_friendly_names yes
> failback immediate
> }

Seems like you need a devices {} section to define how multipathd
interacts with your storage, identifies problems and chooses a path to