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[Linux-cluster] really reliable?

Hi all,

Is redhat cluster suite really reliable? I've been having so much trouble getting a cluster up and running, I'm beginning to second guess my decision to use this software stack.

I have 3 nodes (eventually 10) running and set up. The fencing method is by a brocade fibre switch. The ultimate goal of this cluster is to shared a SAN connected by fibre.

I've installed just the bare minimum (before even getting to GFS) to test the cluster software. Just starting cman cluster services fails on two of the nodes.

Even when I try to reboot the nodes, I can't because the whole system hangs on various processes that don't ever shut down. I have to physically reboot these boxes.

The logs fill up with errors about not being able to connect to cman, etc.

I've been at it for awhile now and am not sure this is the best route anymore.

fn:Ryan Golhar, Ph.D.
org:University of Medicine & Dentistry of New Jersey;CIC/Bioinformatics, The Cancer Institute of NJ
adr:Room 5564-04;;195 Little Albany St;New Brunswick;NJ;08901-1914;USA
email;internet:golharam umdnj edu
title:System Architect, caBIG Deployment Lead
tel;work:(732) 235-6613
tel;fax:(732) 235-6267
tel;cell:(732) 236-1176

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