HP Hitachi ShadowImage for Mainframe User Guide (T5213-96032, November 2011)

Table 2 ShadowImage for Mainframe Pair Status (continued)
T-VOL AccessS-VOL AccessHost StatusDescriptionStatus
Read/write-enabled,
can be varied online.
Read/write-enabledS-VOL = PPRI-SUSP
T-VOL = SIMPLEX
The pair split
operation in Quick
Split mode has been
V-Split
accepted normally.
The split operation
starts a copy
operation.
1
Only the
S-VOL differential data
is being copied to the
T-VOL in background.
The V-Split pairs
cannot be deleted.
Read/write-enabled,
can be varied online.
Read/write-enabledS-VOL = PPRI-SUSP
T-VOL = SIMPLEX
The XP storage system
stops performing
update copy
Split
operations for split
pairs, and starts
accepting write I/Os
for split T-VOLs. The
storage system keeps
track of all updates to
the split S-VOL and
T-VOL, so the pair can
be resynchronized
accurately and
quickly.
Read/write-disabledRead/write-enabledS-VOL = PPRI-PNDGThe pairresync
operation has been
Resync
T-VOL = PSEC-PNDG
accepted normally.
The pairresync
operation is
executed.
1
When a
suspended pair is
resynchronized, the
entire S-VOL is copied
to the T-VOL. No
update copy
operations are
performed during
resync operation.
22 About ShadowImage for Mainframe Operations