BPXI070E USE SETOMVS ON ANOTHER SYSTEM TO MOVE NEEDED FILE SYSTEMS, THEN REPLY WITH ANY KEY TO CONTINUE SHUTDOWN.

Explanation
z/OS® File System unmount processing has failed during
shutdown. All file systems that are owned by this system could not be moved or unmounted.

System action
The system waits for a reply.

Operator response
Use another system in the sysplex to issue SETOMVS commands to move file systems that are owned
by this system to a different system. Reply to continue with shutdown.

System programmer response
No action is required.

Module
BPXINIT

Source

z/OS UNIX System Services kernel (BPX)