HP XP P9500 Storage - Manual (Page 52)

Table 16 Supported L1 pair operations for related L2 Status
L1 pair operation L2 Pair Status
Delete pairs Suspend pairs Resync 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
YES YES NO NO NO COPY(RS-R)/RCPY
YES YES YES YES YES PSUE
Table 17 Supported L2 pair operations for related L1 Status
L2 pair operation L1 Pair Status
Delete pairs Suspend pairs Resync 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. L2 pairs can only be resynchronized in Normal Copy or Quick Resync mode. Reverse resynchronization (Reverse
Copy or Quick Restore) cannot be performed.
2. To split L2 pairs, the L1 pair must be in PSUS status.
Table 18 Node volume read/write — L1, L2 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
52 Monitoring and maintaining the system