Set the FC host port Mode to Point to Point or Fabric.
1. Log in to the ISM and expand the storage node, and then choose Device Info > Ports in the navigation tree.
2. Select the FC host port and right-click it.
3. Choose Modify in the shortcut menu.
4. In the Modify FC Port dialog box, set Mode to Point to Point or Fabric.
The storage device could not communicate with the Brocade 5100 or Brocade 300 switch properly due to an incorrect FC host port Mode.