HP StorageWorks XP Remote Web Console Software - Manual (Page 79)

3. After recovery of the primary host or storage system finishes, switch operations from the
secondary site to the primary site.
This disaster recovery procedure is the same as when only one primary storage system and only one
secondary storage system is used.
Combining URz with Other Data Management Operations
Some types of volumes used by non-URz functions can also be used as URz data volumes and/or journal
volumes. Table 21 on page 79 explains whether non-URz volumes are also usable as URz volumes.
Table 21 Whether Non-URz Volumes Can Be Used as URz Volumes
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?
LUN Expansion (LUSE)
LUSE volume
No. No. No.
ShadowImage for z/OS (SIz)
S-VOL in Split status
Yes. Yes. No.
S-VOL in Resync-R status No. No. No.
S-VOL that is also used as a
TCz P-VOL or TCz S-VOL
Yes. Yes. No.
S-VOL (none of the above) Yes. Yes. No.
T-VOL in Split status Yes. No. No.
T-VOL (none of the above) No. No. No.
Reserved volume No. No. No.
Compatible FlashCopy
S-VOL
Yes. Yes. No.
T-VOL No. No. No.
Compatible FlashCopy V2
S-VOL
Yes. *1 No. No.
T-VOL No. No. No.
Concurrent Copy
Concurrent Copy volume
Yes. No. No.
Compatible XRC
Compatible XRC volume
No. No. No.
HP XP Auto LUN
Source volume (when volume
migration is in progress)
Yes.
Note that volume
migration stops
when the source
volume is used as
a primary data
volume.
Yes.
Note that volume
migration stops when
the source volume is
used as a secondary
data volume.
No.
Source volume (after volume
migration is finished)
Yes. Yes. No.
Hitachi Universal Replicator for z/OS user guide for XP12000/XP10000 Disk Arrays and SVS 200 79