HP XP Racks - Manual (Page 66)

L1 pair user task L2 pair status
Delete pairs Suspend pairs Resynchronize
pairs Split pairs Create pairs
YES YES NO NO NO COPY(RS-R)/RCPY
YES YES YES YES YES PSUE
The following table shows the L2 pair user tasks that you can perform based on the related L1
status.
L2 pair user task L1 pair status
Delete pairs Suspend pairs Resynchronize
pairs
1
Split pairs Create pairs
YES YES YES NO YES COPY(PD)/COPY
YES YES YES NO YES PAIR
YES YES YES NO YES COPY(SP)/COPY
YES YES YES NO YES PSUS(SP)/PSUS
YES YES YES YES
2
YES PSUS
YES YES YES NO YES COPY(RS)/COPY
YES YES YES NO YES COPY(RS-R)/RCPY
YES YES YES NO YES PSUE
1. For more information about resynchronizing L2 pairs, see “Resynchronizing or restoring BC pairs” (page 55) .
2. For more information about the prerequisites for splitting L2 pairs, see “Prerequisites for splitting BC pairs” (page 46) .
The following table shows the node volume read/write L1 and L2 pair status.
L2 pair status L1 Pair Status
PSUE COPY(RS)/COPY PSUS PSUS(SP)/PSUS COPY(SP)/COPY PAIR COPY(PD)/COPY
Read only Read only Read only Read only Read only Read only Read only COPY(PD)/COPY
PAIR
COPY(SP)/COPY
Read/Write Read/Write Read/Write Read/Write Read/Write Read/Write Read/Write PSUS(SP)/PSUS
PSUS
Read only Read only Read only Read only Read only Read only Read only COPY(RS)/COPY
COPY(RS-R)/RCPY
PSUE
The following table shows the leaf vol read/write per L2 pair status.
L2 pair status
PSUE COPY(RS)/COPY PSUS PSUS(SP)/PSUS COPY(SP)/COPY PAIR COPY(PD)/COPY
Read only Read only Read/Write Read/Write Read only Read only Read only
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