HP XP P9500 Storage User Manual
Page 79
Table 18 Meanings of the copy pair statuses obtained by Business Continuity Manager (continued)
Cnt Ac-J Z
TCA
Cnt Ac-S Z
BC Z
Meaning
Copy pair
status
Yes
Yes
Yes
Yes
Copying of differential update
data is being performed to
TRANS
ensure that the volume status
can be changed to SUSPOP or
SIMPLEX
.
NOTE:
In this status, copy pair
dissolving is not allowed
because the data is not
guaranteed.
N/A
N/A
N/A
Yes
Differential update data is being
copied to the S-VOL in the
SUSPVS
background by the YKSUSPND
command with the QUICK
parameter specified.
NOTE:
In this status, copy pair
dissolving is not allowed.
Yes
Yes
Yes
N/A
The relationship between P-VOLs
and S-VOLs are reversed by the
SWAPPING
YKSUSPND
command (the
FORWARD
/REVERSE parameter
specification). The actual
swapping takes place at the
execution of the YKRESYNC
command.
Also, for a 2DC configuration
with HyperSwap and Cnt Ac-J
Z, this indicates that the
relationship between the P-VOL
and S-VOL has reversed to the
suspend status due to a
HyperSwap. Note that a change
to this status by HyperSwap is
only for Cnt-Ac S Z with the
HyperSwap attribute.
N/A
N/A
N/A
Yes
Differential copy
(resynchronization) is being
REVRSY
performed from the S-VOL to the
P-VOL by the YKRESYNC
command (with the REVERSE
parameter specified).
Yes
N/A
N/A
N/A
Delta Resync standby status
Delta Resync
standby status
(HOLD)
Copy pairs are ready to perform
Delta Resync. Delta Resync and
Delta Resync with full copy can
be performed.
Yes
N/A
N/A
N/A
A failure occurred in a Delta
Resync pair. Delta Resync
cannot be performed.
Delta Resync
failure
Suspend status
(HOLDER)
Yes
N/A
N/A
N/A
Delta Resync pair is in the
middle of status transition to
HOLDTRNS
HOLD
status. Perform Delta
Resync after the Delta Resync
pair changes to HOLD status.
Understanding copy group operations
79