Disabling Hyperpav From Z/Os On Z/Vm - HPE XP7 User Manual

For more information about deleting alias devices from base devices, see Deleting alias volumes from
base volumes.
Procedure
1. Run the following commands to all base devices in the corresponding CU.
V base_device_number1-base_device_number2,OFFLINE
CF CHP(channel_path1-channel_path2),OFFLINE
2. Run the following commands to all base devices in the corresponding CU.
CF CHP(channel_path1-channel_path2),ONLINE
V base_device_number1-base_device_number2,ONLINE
3. Run the DEVSERV QPAV command from the host to verify that the aliases assigned for SuperPAV are
released.
See DEVSERV QPAV commands for proper syntax and an example of this command.

Disabling HyperPAV from z/OS on z/VM

You can disable HyperPAV from z/OS on z/VM.
Prerequisites
All alias device assignments in the storage system must be deleted.
For more information about deleting alias devices from bases devices, see Deleting alias volumes from
base volumes.
Procedure
1. From z/OS on z/VM, run the following commands to all base devices in the corresponding CU.
V base_device_number1-base_device_number2,OFFLINE
CF CHP(channel_path1-channel_path2),OFFLINE
2. Run the following command from the host system console to disable the HyperPAV option on the host
computer.
SETIOS HYPERPAV=NO
3. Run the following commands from z/VM system console to all alias devices that are used for
HyperPAV in the corresponding CU:
DET alias_device_number1-alias_device_number2
VARY OFFLINE alias_device_number1-alias_device_number2
SET CU PAV ssid1-ssid2
VARY ONLINE alias_device_number1-alias_device_number2
ATT alias_device_number1-alias_device_number2*
An asterisk (*) is required at the end of the ATT command.
4. Run the following DEVSERV command from the z/OS to an arbitrary device per CU:
DS QD,device_ID,VALIDATE
5. Run the QUERY PAV command from z/VM to verify that the aliases assigned for HyperPAV are
released.
Disabling HyperPAV from z/OS on z/VM 63