Disabling Hyperpav From Z/Os When Using Multiple Storage Systems; Disabling Superpav From Z/Os When Using Multiple Storage Systems - HPE XP7 User Manual

SETIOS HYPERPAV=YES
• If you want to switch to PAV, issue the following command:
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 SuperPAV 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 HyperPAV from z/OS when using multiple
storage systems
Use this procedure when HyperPAV is still used on other storage systems which are accessed from the
corresponding host.
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 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 HyperPAV are
released.
See DEVSERV QPAV commands for proper syntax and an example of this command.
Disabling SuperPAV from z/OS when using multiple
storage systems
Use this procedure when SuperPAV is still used on other storage systems which are accessed from the
corresponding host.
Prerequisites
All alias device assignments in the storage system must be deleted.
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Disabling HyperPAV from z/OS when using multiple storage systems