IDC31609I   DEVICES SELECTED TO FORM A DUPLEX PAIR ARE NOT COMPATIBLE-reason

Explanation

The SETCACHE command requiring compatible devices was unsuccessful. Commands requiring compatible devices are:
  • SETSECONDARY (establish a duplex pair).
  • REESTABLISHDUPLEX (reestablish a duplex pair using an alternate device).
In the message text:
reason
The reason for the error, as follows:
  • THE DEVICES ARE NOT THE SAME GEOMETRY AND CAPACITY
  • THE DEVICES ARE NOT IN THE SAME LOGICAL DASD SUBSYSTEM

System action

Processing continues.

Programmer response

Select compatible devices and rerun the command.

Source

DFSMSdfp