IOS600I

Explanation
The operator entered an IOACTION STOP command to
stop the specified devices.
In the message text: dev,dev1-dev2
The device numbers of the devices stopped by the IOACTION STOP
command.

System action
Only normal I/O activity to the listed devices
has been stopped. IOS recovery and other I/O will still be active
to the device.

Operator response
Enter the IOACTION RESUME command to allow
normal I/O to continue.

Source
Input/output supervisor (IOS)

Module
IOSVQRDV

Routing code
2,10

Descriptor code
4