Avago Technologies MegaRAID SCSI 320-0 (520-0 CH) - Manual (Page 69)

Installing the Peer Processor Device in a Windows Cluster 4-11
Copyright © 2003-2008 by LSI Corporation. All rights reserved.
Figure 4.5 Device Driver Dialog Box
Step 8. Select the appropriate processor device for the controller being
used in the cluster.
For example, if a 320-2X RAID controller is being used in a
cluster, select the 320-2X SCSI Processor Device.
Step 9. Click Next and ignore any security warning messages for the
system device.
The final dialog box displays, stating that the software
installation for the processor device is complete.
Step 10. Click Finish to complete the SCSI Processor device install.
Step 11. Repeat the steps on the peer cluster node.