Verifying that the hardware configuration is correct and supported is very critical. The fact that a fiber channel card or driver is not quite correct can lead to significant delays and errors. Messages like “SCSI resets” or “SCSI reservation” problems are indicative of storage issues. Check, recheck, and escalate when all else fails.
Check Sun for the latest supported configurations.
If using EMC, check with EMC local technical resources to verify that specific interface cards and drivers are supported. EMC does the certification work for Sun Cluster hardware, not Sun.
It is critical to do a complete install of the operating system, using the latest version of Solaris OE available.
In our case, this was Solaris 8 OE Update 10/01. We ...