HP XP P9500 Reference Manual page 187

The command registers, into the storage system, the command device that was specified in the
route list that was loaded before this command was executed.
Parameters
SN(storage system-serial-number) ~ <from 5 to 12 alphanumeric characters>
When you register the command devices for a storage system in the route list, specify the storage
system serial number.
SN(storage-system-serial-number)CU(CU-number)CCA(CCA-number)APID(APID)
When you specify and register a command device in the route list, specify the serial number of
the storage system, CU number, CCA number, and APID for the command device.
SN(storage-system-serial-number) ~ <from 5 to 12 alphanumeric characters>
Specify the storage system serial number.
CU(CU-number) ~ <two-digit hexadecimal number>
Specify the CU number.
CCA(CCA-number) ~ <two-digit hexadecimal number>
Specify the CCA number.
APID(APID) ~ <four-digit hexadecimal number>
Specify the APID.
DEVN(device-number)APID(APID)
When you specify and register a command device, specify the device number and the APID of
the command device.
Only when you specify this parameter do you not have to load the route list. The DEVN parameter
cannot be specified for remotely connected storage systems.
DEVN(device-number) ~ <four-digit hexadecimal number>
Specify the device number.
APID(APID) ~ <four-digit hexadecimal number>
Specify the APID.
MSG(stem-name- 1 ) ~ <REXX prefix of 64 or fewer characters>
Specify an optional prefix for the name of the message structure used to store the messages to be
generated by this command. You must also include a trailing period character.
The message structure is initialized when the CLI command with the same name as the MSG
parameter is specified.
Command details 187