IBM TOTAL STORAGE DS8000 - Manual (Page 84)

CMUC00218E COMMAND_INFO The specified logical control unit number
for volume VOLUME is not valid. Either you specified this volume
explicitly or you specified it implicitly by parameter values.
Explanation
The specified logical control unit number contains characters that are not valid or is
not an existing logical control unit.
Action
Specify a valid logical control unit number for the volume, and then resubmit the
task.
CMUC00219E COMMAND_INFO Connection failure: The specified storage
management console peers are not valid.
Explanation
The storage management console peers that are specified either as input, as
command options, or in a profile file are not valid. The IP addresses might not be
correct, or the storage management consoles might not be configured as peers.
Action
Specify valid peers, and then resubmit the task.
CMUC00220E COMMAND_INFO Connection failure: VALUE_0
Explanation
Connection to the specified storage management consoles failed.
Action
Ensure that the storage management console IP addresses are correct, that a
network connection to the storage management consoles exists, and that the
storage management consoles are available. Then resubmit the task.
CMUC00219X COMMAND_INFO
Explanation
Action
64 IBM TotalStorage DS8000: Messages Reference