Cannot mount Veritas volumes after cluster patch.

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http://www.unix.com – I am working with a Sun StoredgeTek 6540 disk array connected to two Sun 490 servers. After taking one of the 490 nodes on the cluster down to single user mode I proceeded to install the latest cluster patch from Oracle. After the patch was completed the system rebooted, failed to rejoin the cluster, crashdumped and rebooted continuously. The second node which was not updated and was functioning fine beforehand is also no longer able to connect to all the drives or the main Veritas drive group. I was running Solaris 10 137137-09 Sun Cluster 3.2 and Veritas 5 on both 490s before the cluster pat (HowTos)