HP XP Racks - Manual (Page 65)

Related topics
•
“The RWC pair status names and descriptions” (page 63)
Pair status and supported pair user tasks
A pair’s status determines the pair user tasks you can perform. The following table shows the pair
user tasks you can complete based on the pair status.
Pair user task Pair status
Delete
pairs Suspend
pairs Resync pairs
(Reverse Copy) Resynchronize pairs
(Normal Copy) Split pairs Create pairs
N O NO NO NO NO NO SMPL(PD)
YES YES NO NO YES YES COPY(PD)/COPY
YES YES NO NO YES YES PAIR
YES YES NO NO NO YES COPY(SP)/COPY
NO YES NO YES NO YES PSUS(SP)/PSUS
YES YES YES YES NO YES PSUS
YES YES NO NO NO YES COPY(RS)/COPY
YES YES NO NO NO NO COPY(RS-R)/RCPY
YES NO NO YES NO YES PSUE
Related topics
•
“L1, L2 pair status and supported pair user tasks” (page 65)
•
“Unaffected S-VOL status and pair user tasks” (page 67)
L1, L2 pair status and supported pair user tasks
The user tasks you can complete on cascaded pairs depend on the L1 and L2 pair status. The user
tasks are dependent on the following:
•
To perform an L1 user tasks, the status of the L2 pair.
•
To perform an L2 user tasks, the status of the L1 pair.
•
Supported read/write on L1 and L2 S-VOLs.
The following table shows the L1 pair user tasks that you can complete based on the related L2
status.
L1 pair user task L2 pair status
Delete pairs Suspend pairs Resynchronize
pairs Split pairs Create pairs
YES YES YES YES YES COPY(PD)/COPY
YES YES YES YES YES PAIR
YES YES NO NO NO COPY(SP)/COPY
YES YES NO NO NO PSUS(SP)/PSUS
YES YES YES YES YES PSUS
YES YES YES YES YES COPY(RS)/COPY
Monitoring the Business Copy system 65