6027-1301 The NSD servers specified in the disk descriptor do not match the NSD servers currently in effect.

Explanation
The set of NSD servers specified in the disk descriptor
does not match the set that is currently in effect.
User response
Specify the same set of NSD servers in the disk
descriptor as is currently in effect or omit it from the disk descriptor
and then reissue the command. Use the mmchnsd command
to change the NSD servers as needed.