Originally Posted by darknight1726
Is it normal to failed 'service cman failed' if doesn't have a cluster.conf configuration on gnbdsrvr?
Yes, cman requires a cluster.conf...
I got a similar error when setting up gnbd ... in my case it was because I hadn't run 'ccs_tool addnodeids' on the server. After doing that (and making sure I had a correct entry in my hosts file for the server that did NOT point to the loopback address) then I was able to start cman.
Here's one thing I wasn't aware of, though. You don't need a cluster setup if you are only exporting storage from one server to another (as your example suggests) ... that can be accomplished by passing gnbd_serv and gnbd_import the '-n' option which tells them no cluster manager is in use.
Of course this would only be useful if you are mounting the exported device on one and only one server ... in which case GFS is not needed either.
In any case, I am working through setting up a cluster with GFS on CentOS 5.1 to make our file server + RAID act like a SAN. I'll be happy to share any tips I pick up along the way.