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DL380 G4 and MSA 1000 Active/Passive Cluster - Problem with MPIO

 
IT-DS
Occasional Contributor

DL380 G4 and MSA 1000 Active/Passive Cluster - Problem with MPIO

I have a problem with an active/passive Exchange 2k Cluster running on W2K SP4. For support we had switched off the second node yesterday. After starting up, the second node take all cluster ressources and the cluster was moving. On the first node the cluster admin wasn´t usable after this.
We use MPIO 1.0 Basic and we had never such a problem running cluster with secure path.
I can see in the system log that the new startet server creates "\Device\MPIODisk1 created. After this he creates MPIO Disks for all shared disks and with this the cluster admin from the active node is crashing and the cluster is moving.