Table 9 – HP XP Business Copy Software User Manual
Page 35
L2 Pair Operations
L1 Pair
Status
Pairsplit-
S
Pairsplit-
E
Reverse/ Quick Re-
store
Pairre-
sync
Pairsplit
Paircre-
ate
OK
OK
NO
(CMD RJT)
OK
NO
(CMD RJT)
OK
PSUE
shows the relationship between the L2 pair status and availability of pair operations on the
associated L1 pairs. (CMD RJT = command rejected.) If you delete an L1 pair containing an L2 pair,
the L2 pair becomes the L1 pair.
Table 9 Relationship between L2 pair status and L1 pair operations
L1 Pair Operations
L2 Pair
Status
Pairsplit-
S
Pairsplit-
E
Reverse/
Quick Restore
Pairresync
Pairsplit
Paircreate
OK
OK
OK
OK
OK
OK
1, 2
COPY(PD)
OK
OK
OK
OK
OK
OK
1, 2
PAIR
OK
OK
NO
(CMD RJT)
NO
(CMD RJT)
NO
2
(CMD RJT)
NO
2
(CMD RJT)
COPY(SP)
OK
OK
NO
(CMD RJT)
NO
(CMD RJT)
NO
2
(CMD RJT)
NO
2
(CMD RJT)
PSUS(SP)
OK
OK
OK
OK
OK
OK
1, 2
PSUS
OK
OK
OK
OK
OK
OK
1, 2
COPY(RS)
—
—
—
—
NO
2
(CMD RJT)
NO
2
(CMD RJT)
COPY(RS-R)
OK
OK
OK
OK
OK
OK
1, 2
PSUE
1
MU# of L2 node pair member must be 1 or 2.
2
Not displayed by the array management interface.
The read/write operation to each volume (root, node, or leaf) from the host is enabled or disabled
depending on the status of L1/L2 pairs. The read/write operation from the host can always be
performed to the root volume regardless of the status of L1/L2 pairs.
shows the relationship
between read/write operations from host to node volume and status of L1/L2 pairs.
shows
the relationship between read/write operations from host to leaf volume and L2 pair status.
Table 10 Read/write operation (host to the node volume) and L1/L2 pair status
L2 Pair Status
L1 Pair
Status
PSUE
COPY(RS)
PSUS(SP)/
PSUS
COPY(SP)
PAIR
COPY(PD)
Read Only
Read Only
Read Only
Read Only
Read Only
Read Only
COPY(PD)
XP Business Copy User Guide
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