HP StorageWorks XP24000 Continuous Access Journal Software User and Reference Guide, v01 (T5278-96001, June 2007)

Functions and Volumes Can th e Volumes
be Used as
Primary
Data Volumes?
Can the Volumes be
Used as
Secondary
Data
Volumes?
Can the Volumes
be Used as Journal
Volumes?
S-VOL in PSUS status
Yes.
No. No.
S-VOL in SSWS status
Yes.
No.*1 No.
S-VOL in PSUE status
Yes.
No. No.
Continuous Ac
cess Asynchronous
Continuous Access
Asynchronous volume
No. No. No.
Data Retention Utility
Volume with the Read/Write
attribute
Yes. Yes. Yes.
Volume with the Protect
attribute
Yes. Yes.
No.
Volume with the Read O nly
attribute
Yes. Yes.
No.
Volume that is disabled for
use as an S-VOL
Yes.
No.
However, the volume
can be used as
a
secondary data
volume only when you
restore a Continuous
Access Journal pair.
No.
HP StorageWorks XP for Data Exchange Software
Volume usable by both
mainframe and open
systems
No. No. No.
Cache Residency Manager
The volume that is set using
Cache Residency Manager
Yes. Yes. Yes.
Virtual LUN
Virtu
al
LUN volume
Yes. Yes. Yes.
LUN Manager
Volume to which a path is
defined
Yes. Yes.
No.
Volu
me to whichnopathis
defin
ed
No. No. No.
Volume to which LUN
security is applied
Yes. Yes.
No.
Note*1: The volume can be used as a secondary data volume only when you restore a Continuous
Access Journal pair or perform an RAID Manager horc takeover operation.
LUS
E
Two LUSE volumes can be assigned to a Continuous Access Journal pair. Both of the LUSE volumes that
are assigned to the primary and secondar y da ta volumes must consist of the same number of LDEVs and
must have the same capacity.
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Preparing for Continuous Access Journal Operations