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From some research it was found that EMC has in the past seen a hit on a loop with CRON, not Control-M but a similar scheduling product. The resolution was found to be that CRON was in a scheduling loop and exceeded its thresholds causing the system to hang. I do not believe this is the problem.
Veritas stated that a problem can occur intermittently if 3.0 of Veritas Volume Replicator is installed without first removing 2.7 Veritas Volume Replicator.
Microsoft has several recommendations around system crashes. The resolution on each was to go to the latest service level pack.
Unisys has some documentation on PowerPath and these problems where corrected as part of Powerpath V2.0.4.
Based on the results of this research, I do not feel that the problem is related to the EMC disk array. Disk activity probably arose in support of all the processes being started.
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