Continuous Access Journal Z - HP StorageWorks P9000 User Manual

Table 19 z/OS system volume types that can be shared with Continuous Access Synchronous Z
(continued)
Functions and volumes
P-VOL in Suspend status
P-VOL suspended due to a failure
S-VOL (remote volume) in Pending status
S-VOL in Duplex status
S-VOL in Suspend status
S-VOL in Swapping status
S-VOL suspended due to a failure
Volume Retention
Volume with Read/Write attribute
Volume with Read Only attribute
Volume with Protect attribute
Volume Security for Mainframe
Volume registered in a security group
Data Exchange
Volume for mainframe and open-systems use
Cache Residency
Volume with CRM data
Parallel Access Volumes
Parallel Access Volumes volume
Virtual LVI
Virtual LVI volume
#1: The volume performs differently according to the type of difference management. For details, see the HP
StorageWorks P9000 for Compatible FlashCopy Mirroring User Guide.
#2: For more information, contact HP Technical Support.
#3: If you use Continuous Access Synchronous Z with Compatible FlashCopy, the Continuous Access Synchronous Z
pairs must be created without using the consistency groups.
The following sections clarify key information regarding shared volumes.

Continuous Access Journal Z

Continuous Access Synchronous Z and Continuous Access Journal Z can share the same pair
volumes. Using a combined Continuous Access Synchronous Z and Continuous Access Journal Z
configuration can extend disaster recovery options to a third data center.
Used as M-VOL?
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
No
Yes
No
Yes
Yes
Yes
Continuous Access Journal Z
Used as R-VOL?
No. The volume can be used
as R-VOL only when you
restore a Cnt Ac-S Z pair or
perform a BCM YKRESYNC
REVERSE operation.
No. The volume can be used
as R-VOL only when you
restore a Cnt Ac-S Z pair or
perform a BCM YKRESYNC
REVERSE operation.
No
No
No
No
No
Yes
Yes
No
Yes. If the volume is disabled
for use as S-VOL, the volume
cannot be used as R-VOL.
No
Yes
Yes
Yes
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