Hitachi XP P9500 User Manual page 709

Action
Click Refresh to update the host information, check the path status, and then retry
the offline operation.
1015
Details
The Offline path cannot be placed Online.
Action
Remove the error in the path, and then retry.
1016
Details
The target path(s) are already Online.
Action
Update the host information, and then check the path status.
1017
Details
The target path(s) are already Offline(C).
Action
Update the host information, and then check the path status.
1019
Details
An error occurred during HDLM internal processing.
Action
Execute the
contact your HDLM vendor or the maintenance company if you have a
maintenance contract for HDLM. For details on the
7.2 DLMgetras Utility for Collecting HDLM Error Information.
1020
Details
An unexpected error occurred during HDLM internal processing.
Action
Execute the
contact your HDLM vendor or the maintenance company if you have a
utility for collecting HDLM error information, and then
DLMgetras
utility for collecting HDLM error information, and then
DLMgetras
8. Messages
utility, see
DLMgetras
685