Enabling Hyper Parallel Access Volumes On Z/Os; Enabling Hyper Parallel Access Volumes From Z/Os On Z/Vm - HPE XP7 User Manual

Procedure
1. Enable HPAV on z/OS.
For more information about enabling HPAV on z/OS, see Enabling Hyper Parallel Access Volumes
on z/OS
2. Enable HPAV from z/OS on z/VM guest.
For more information about enabling HPAV from z/OS on z/VM guest, see Enabling Hyper Parallel
Access Volumes from z/OS on z/VM.

Enabling Hyper Parallel Access Volumes on z/OS

Run the following command from the host system console:
SETIOS HYPERPAV=YES
An example of the command is shown below:
SETIOS HYPERPAV=YES
IOS189I HYPERPAV MODE CHANGE INITIATED - CONTROL UNIT CONVERSION WILL
COMPLETE ASYNCHRONOUSLY
NOTE: You can set the SETIOS command for each logical partition (LPAR).

Enabling Hyper Parallel Access Volumes from z/OS on z/VM

To enable HPAV from the z/OS on z/VM, HPAV must be enabled on z/VM and z/OS.
Procedure
1. Run the following command from z/OS system console to all base devices in the corresponding CU to
take those base devices offline:
V base_device_number1 base_device_number2,OFFLINE
2. Run the following commands from z/VM system console to all alias devices that are used for HPAV in
the corresponding CU to enable HPAV:
DET alias_device_number1-alias_device_number2
VARY OFFLINE alias_device_number1-alias_device_number2
SET CU HYPERPAV ssid1-ssid2
VARY ONLINE alias_device_number1-alias_device_number2
ATT alias_device_number1-alias_device_number2*
3. Enable HPAV on the z/OS by running the following command from the host system console:
SETIOS HYPERPAV=YES
4. Run the following command from the system console of z/OS to all base devices in the corresponding
CU to make those base devices online:
V base_device_number1-base_device_number2,ONLINE
38 Enabling Hyper Parallel Access Volumes on z/OS