MD3000 Cluster Configuration Guidelines for Standalone Host Servers

If one of the standalone host servers you are planning to configure into a cluster environment is running MD Storage Manager and has a virtual disk mapped to the array, use that host to create the Host Group and quorum virtual disk mapping.

NOTE: Failure to follow this mapping protocol can cause the host server to lose communication with the array if the server is using only in-band management and only one of the servers has a virtual disk mapped to the array. If communication is lost, restore in-band management to the other host server and complete the cluster setup using the following procedure.

1Using MD Storage Manager from either the host server with restored in- band management or from a management station, select Configure Create Host-to-Virtual Disk Mappings.

2Select the host server name that does not have a virtual disk mapped.

3Click Access to access the virtual disk.

4Assign a logical unit number (LUN) of 31.

5Click Finish.

Hardware Considerations

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Computer Drive specifications

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