Controlling the Model9 VDEV
The Model9 VDEV started task (STC), usually called M9VDEV, is responsible for intercepting certain I/O operations related to the virtual devices of the Model9 Cloud Data Sets, such as handling VARY ONLINE and VARY OFFLINE for those devices.
The Model9 VDEV STC accepts two operator commands:
Use the STOP command (P M9VDEV) to shut down the Model9 VDEV.
When the STOP M9VDEV command is issued, the system responds as follows:
The MODIFY command accepts the following parameters:
MODIFY M9VDEV,DISABLEThe command disables the Model9 VDEV interception and will allow stopping the VDEV in cases where other applications are intercepting the z/OS STARTIO after the Model9 VDEV. Issuing the command could result in one of the following:
Unsupported command parameters would result in the following message:
ZM9IC015E MODIFY COMMAND REJECTED, UNKNOWN COMMAND