Hitachi VSP F1500 User And Reference Manual page 246

Table 6-5 Pair status versus ShadowImage commands
-
Pair Status No -split
1 SMPL Accepted 2
2 COPY Acceptable
RCPY
3 PAIR Acceptable
4 PSUS Rejected
5 PSUE Rejected
Legend:
Accepted = Accepted and executed. When the operation terminates normally, the status changes to the
indicated number.
Acceptable = Accepted but no operation is executed.
Rejected = Rejected and operation terminates abnormally.
In the following descriptions, when the pair statuses of P-VOL and S-VOL are
different, PVOL_ or SVOL_ are applied to show which volume is indicated.
Note: If the P-VOL does not have Write in the PAIR state, then data identical
with an S-VOL is guaranteed. Therefore, when using the S-VOL with the SMPL
state, after stopping Write to the P-VOL, generate a paired volume, and then
split the paired volume after confirming that the paired volume has the PAIR
status. In the PSUE state, ShadowImage does not manage differential data at
the P-VOL or S-VOL. Therefore, pairresync issued to a pair in the PSUE state
is all copy performance, but the copy progress rate returned by the -fc option
of the pairdisplay command indicates "0%".
[1]: The (2 to 4) state change is effective for only the COPY state that is
changed without specification of -split for paircreate command.
[2]: The (2 to 4) state change appears as P-VOL_PSUS & S-VOL_COPY (see
example below), and reading and writing are enabled for S-VOL in
SVOL_COPY state.
# pairsplit -g oradb
# pairdisplay -g oradb -fc
Group
P-LDEV# M
oradb
100
oradb
97
PVOL_PSUS & SVOL_COPY is the non-reflected PSUS state that data is still
being copied from the P-VOL to the S-VOL, and this state has the following
specific behavior.
6-22
paircreate
-split
Accepted 2 Rejected
to 4
Accepted [1] Accepted 5
2 to 4
Accepted [2] Accepted 5
2 to 4
Acceptable Accepted 5
Acceptable Acceptable
PairVol(L/R) (Port#,TID,LU-M), Seq#, LDEV#.P/S, Status, % ,
oradev3(L) (CL2-N , 3,
29 W
oradev3(R) (CL2-N , 3,
28 -
Data replication operations with CCI
Command Control Interface User and Reference Guide
ShadowImage command
pairsplit
-E option -C option
Rejected
Accepted [1]
2 to 4
Accepted [2]
2 to 4
Acceptable
Acceptable
4-0) 8071
5-0) 8071
pairresync
-S option Resync
Acceptable Rejected
Accepted 1 Acceptable
Accepted 1 Acceptable
Accepted 1 Accepted 2
Accepted 1 Accepted 2
28..P-VOL PSUS,
29..S-VOL COPY,