Table 7, Table 8 – HP XP Business Copy Software User Manual
Page 27
Business Copy XP user guide for the XP128/XP1024
27
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“MU#” in
means MU number, which identifies each MU. MU#=1 under S-VOL1 means the
MU number of the P-VOL that is paired with the S-VOL1 is 1.
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.
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
Table 7
Relationship between L1 pair status and L2 pair operations
L1 Pair
Status
L2 Pair Operations
Paircreate
Pairsplit
Pairresync
Reverse/
Quick Restore
Pairsplit-E
Pairsplit-S
COPY(PD)
OK
NO
(CMD RJT)
OK
NO
(CMD RJT)
OK
OK
PAIR
OK
NO
(CMD RJT)
OK
NO
(CMD RJT)
OK
OK
COPY(SP)
OK
NO
(CMD RJT)
OK
NO
(CMD RJT)
OK
OK
PSUS(SP)
OK
NO
(CMD RJT)
OK
NO
(CMD RJT)
OK
OK
PSUS
OK
OK
OK
NO
(CMD RJT)
OK
OK
COPY(RS)
OK
NO
(CMD RJT)
OK
NO
(CMD RJT)
OK
OK
COPY(RS-R)
OK
NO
(CMD RJT)
OK
NO
(CMD RJT)
OK
OK
PSUE
OK
NO
(CMD RJT)
OK
NO
(CMD RJT)
OK
OK
Table 8
Relationship between L2 pair status and L1 pair operations
L2 Pair
Status
L1 Pair Operations
Paircreate
Pairsplit
Pairresync
Reverse/
Quick Restore
Pairsplit-E
Pairsplit-S
COPY(PD)
OK
1
,
2
1. MU# of L2 node pair member must be 1 or 2.
2. Not displayed by the array management interface.
OK
OK
OK
OK
OK
PAIR
OK
1, 2
OK
OK
OK
OK
OK
COPY(SP)
NO
2
(CMD RJT)
NO
2
(CMD RJT)
NO
(CMD RJT)
NO
(CMD RJT)
OK
OK
PSUS(SP)
NO
2
(CMD RJT)
NO
2
(CMD RJT)
NO
(CMD RJT)
NO
(CMD RJT)
OK
OK
PSUS
OK
1, 2
OK
OK
OK
OK
OK
COPY(RS)
OK
1, 2
OK
OK
OK
OK
OK
PSUE
OK
1, 2
OK
OK
OK
OK
OK