Using compatible hyper pav from z/os – HP StorageWorks XP Remote Web Console Software User Manual

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9.

Issue the DEVSERV QPAV command from z/OS, and make sure that the displayed aliases
are those assigned for Compatible Hyper PAV.
The aliases for Compatible Hyper PAV cannot be displayed after issuing the DEVSERV QPAV
command from z/OS or QUERY PAV command from z/VM.
Execute either of the following operations, and then issue the command and check the display
again.

If the host accesses only the corresponding storage system, disable Hyper PAV on the
host computer, and then enable Hyper PAV again.

If the host accesses other storage systems that use Hyper PAV, execute the following
procedure.

a.

Issue the following command from z/OS that is used as a guest OS on z/VM to all base
devices in the corresponding CU.

V base-device-number1 - base-device-number2,OFFLINE

b.

Issue the following commands from z/VM to all base devices and alias devices used for
Compatible Hyper PAV in the corresponding CU.

DET alias-device-number1 - alias-device-number2
DET base-device-number1 - base-device-number2
VARY OFFLINE alias-device-number1 - alias-device-number2
VARY OFFLINE base-device-number1 - base-device-number2
VARY OFFLINE CHPID channel-pass1
VARY OFFLINE CHPID channel-pass2
:
VARY ONLINE CHPID channel-pass1
VARY ONLINE CHPID channel-pass2
:
VARY ONLINE base-device-number1 - base-device-number2
VARY ONLINE alias-device-number1 - alias-device-number2
ATT base-device-number1 - base-device-number2*
ATT alias-device-number1 - alias-device-number2*

c.

Issue the following command from z/OS to all base devices in the corresponding CU.

V base-device-number1 - base-device-number2,ONLINE

d.

Issue the following command from z/OS to all channel paths configured on the
corresponding CU. The command has to be issued for each channel path.

V PATH(base-device-number1 - base-device-number2,
channel-pass),ONLINE

Restarting the Storage System While Using Compatible Hyper PAV

Using Compatible Hyper PAV from z/OS

When you restart a storage system while using Compatible Hyper PAV, issue the DEVSERV QPAV
command from the host after restarting the storage system. Make sure that the aliases displayed
as the ones assigned for Compatible Hyper PAV. If these aliases cannot be displayed as for
Compatible Hyper PAV, issue the following commands to all base devices in the corresponding
CU, and then check again.

V base-device-number1 - base-device-number2,OFFLINE
CF CHP(channel-pass1 - channel-pass2),OFFLINE
CF CHP(channel-pass1 - channel-pass2),ONLINE
V base-device-number1 - base-device-number2,ONLINE

Using Compatible Hyper PAV from z/OS that is Used as a Guest OS on z/VM

When you restart a storage system while using Compatible Hyper PAV, issue the DEVSERV QPAV
command from z/OS, and the QUERY PAV command from z/VM, after restarting the storage
system. Make sure that the aliases displayed as the ones assigned for Compatible Hyper PAV. If

Restarting the Storage System While Using Compatible Hyper PAV

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