Controlling the BMC AMI Cloud VDEV


The BMC AMI Cloud VDEV started task (STC), usually called M9VDEV, is responsible for intercepting certain I/O operations related to the virtual devices of the Cloud Data Sets, such as handling VARY ONLINE and VARY OFFLINE for those devices.

The BMC AMI Cloud VDEV STC accepts two operator commands:

Related topic

STOP command

Use the STOP command (P M9VDEV) to shut down the BMC AMI Cloud VDEV.

When you issue the STOP M9VDEV command, the system responds with the following messages:

Message

Description

ZM9IC039I STOP COMMAND ACCEPTED, SHUTTING DOWN
ZM9IC041I MODEL9 VDEV SHUTDOWN COMPLETE

The BMC AMI Cloud VDEV stop command is accepted and it's now shut down.

ZM9IC017E STOP COMMAND REJECTED, ONE OR MORE VDEV DEVICES ARE STILL ONLINE

The BMC AMI Cloud VDEV STOP command is rejected because one or more devices are still online.

ZM9IC011E STOP COMMAND REJECTED, OTHER STARTIO HOOK INSTALLED AFTER VDEV, DISABLE VDEV OR REMOVE OTHER HOOK FIRST

Another application is intercepting the z/OS STARTIO after the BMC AMI Cloud VDEV.

Disable the BMC AMI Cloud VDEV using the MODIFY command or remove the other application first.

ZM9IC028W STOP COMMAND ACCEPTED, SHUTTING DOWN WITH PARTIAL RESOURCE CLEANUPZM9IC041I MODEL9 VDEV SHUTDOWN COMPLETE

Another application is intercepting the z/OS STARTIO after the BMC AMI Cloud VDEV, but the VDEV was disabled with the MODIFY command. The BMC AMI Cloud VDEV is shut down with partial resource cleanup

MODIFY command

The MODIFY command accepts the following parameters:

  • MODIFY M9VDEV, DISABLE
    The command disables the BMC AMI Cloud VDEV interception and will allow stopping the VDEV in cases where other applications are intercepting the z/OS STARTIO after the BMC AMI Cloud VDEV.
    Issuing the command could result in one of the following:

Message

Description

ZM9IC072E VDEV MODIFY REJECTED, DEVICES ARE STILL ONLINE

One or more devices are still online thus the BMC AMI Cloud VDEV MODIFY command is rejected.

ZM9IC073I STARTIO INTERCEPTION SUCCESSFULLY DISABLED

The BMC AMI Cloud VDEV is disabled successfully. It is now possible to stop the BMC AMI Cloud VDEV successfully.

Important

Unsupported command parameters would result in the following message:
ZM9IC015E MODIFY COMMAND REJECTED, UNKNOWN COMMAND

 

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