Behavior of an Unavailable Fibre Channel Port

The FC Port 2 of the library controller is initially unavailable and only supported a limited set of commands until you activate it with a hardware activation file.

The library controller comes standard with two FC ports (1 and 2). By default only port 1 is fully active (available). Port 2 is unavailable until you install the Redundant Control Paths (multi-port) hardware activation file.

The library can receive commands on an unavailable port. However, the unavailable port only fully supports Inquiry, Report LUNs, Report Target Port Groups, and Request Sense. For all other commands, the library terminates the command with Check Condition status and sets the sense key to Not Ready, Logical Unit Not Accessible, Target Port in Unavailable State.

For more information see the SL4000 SCSI Reference Guide.