HP StorageWorks XP Remote Web Console Software - Manual (Page 81)

Functions and Volumes Can the Volumes
be Used as
Primary Data
Volumes?
Can the Volumes be
Used as Secondary
Data Volumes?
Can the Volumes
be Used as Journal
Volumes?
Compatible PAV Yes. Yes. No.
Virtual LVI
Virtual LVI volume
Yes. Yes. Yes.
Note*1 — You cannot use the volume as a data volume of the URz pair for delta resync operation.
Note*2The volume can be used as a secondary data volume only when you restore a URz pair or
perform a Business Continuity Manager YKRESYNC REVERSE operation. However, even in this case, you
cannot use the volume as the secondary data volume of the URz pair for delta resync operation.
Note*3 — This is "No" if more than one primary storage systems and
more than one secondary storage system are used for remote copy (see
Using More Than One Primary and Secondary Storage System for Remote Console on page 72).
Combining URz with Virtual LVI
You can perform Virtual LVI operations on primary and secondary data volumes in URz pairs. If you need
to perform Virtual LVI operations on a URz primary data volume or secondary data volume, you must
delete the pair first to return the volume to Simplex status.
When creating a URz pair consisting of two Virtual LVI volumes, make sure that the primary data volume
and the secondary data volumes have the same capacity.
Combining URz with Cache Residency Manager
You can perform Cache Residency Manager operations on URz primary data volumes and secondary
data volumes.
Combining URz and ShadowImage for z/OS
URz and ShadowImage for z/OS can be used together in the same storage system and on the same
volumes to provide multiple copies of data at the primary and/or secondary sites. Table 22 on page 82
describes the host pair status reporting for URz volumes, SIz volumes, and URz/SIz shared volumes.
Table 23 on page 82 shows the currency of the data on a shared URz/SIz volume based on URz
and SIz pair status.
• For shared URz/SIz volumes, the URz pair status is reported to the host if you query the URz
primary data volume or secondary data volume. To obtain the SIz pair status, query the target
volume (T-VOL) of the SIz pair.
• SIz supports multiple T-VOLs for each source volume (S-VOL). If you issue a pair status query to a
SIz S-VOL (e.g., pairdisplay), the status for only one SIz pair is reported (the pair with the T-VOL
with the lowest LDEV ID). To obtain the pair status for the SIz pair(s) with the other T-VOL(s), you
must direct the host query to the specific S-VOL using the T-VOL’s LDEV ID in the host command.
The SIz remote console software displays the port, TID, LUN, LDEV ID and SIz pair status of
all T-VOLs associated with a S-VOL.
Hitachi Universal Replicator for z/OS user guide for XP12000/XP10000 Disk Arrays and SVS 200 81