IEA860A   dev,dev,... REPLY U WHEN ALL DEVICES ARE READY.

Explanation

To complete processing of the VATLSTxx parmlib member, the operator must mount volumes. In the message text:
dev
The device number for a device needing a volume.

System action

The system waits for the operator to mount the volumes, then to reply.

Operator response

Mount volumes, as listed in message IEA851I, on these devices. When the devices are ready, REPLY ‘U’.

Source

Allocation/unallocation

Module

IEAVAP00

Routing code

2

Descriptor code

4