Discontinuing Hyperpav And Superpav; Disabling Hyperpav From Z/Os; Disabling Superpav From Z/Os - HPE XP7 User Manual

Discontinuing HyperPAV and SuperPAV

Disabling HyperPAV from z/OS

Prerequisites
All alias device assignments in the storage system must be deleted.
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 command from the host system console to disable the HyperPAV option on the host
computer.
SETIOS HYPERPAV=NO
3. Run the following DEVSERV command from the z/OS to an arbitrary device per CU:
DS QD,device_ID,VALIDATE
4. To verify that the aliases assigned for HyperPAV are released, from the host, run the following
command:
DEVSERV QPAV
For proper syntax and an example of this command, see DEVSERV QPAV commands.

Disabling SuperPAV from z/OS

Prerequisites
All alias device assignments in the storage system must be deleted.
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. Perform either of the following methods to disable the Compatible Super PAV option on the host
computer.
• If you want to switch to HyperPAV, issue the following command:
Discontinuing HyperPAV and SuperPAV 61