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:

The following table shows the L1 pair user tasks that you can complete based on the related L2 status.

The following table shows the L2 pair user tasks that you can perform based on the related L1 status.


L1 pair status	L2 pair user task
L1 pair status	Create pairs	Split pairs	Resynchronize pairs¹	Suspend pairs	Delete pairs
COPY(PD)/COPY	YES	NO	YES	YES	YES
PAIR	YES	NO	YES	YES	YES
COPY(SP)/COPY	YES	NO	YES	YES	YES
PSUS(SP)/PSUS	YES	NO	YES	YES	YES
PSUS	YES	YES²	YES	YES	YES
COPY(RS)/COPY	YES	NO	YES	YES	YES
COPY(RS-R)/RCPY	YES	NO	YES	YES	YES
PSUE	YES	NO	YES	YES	YES
For more information about resynchronizing L2 pairs, see Resynchronizing or restoring SI pairs. For more information about the prerequisites for splitting L2 pairs, see Prerequisites for splitting SI pairs.

The following table shows the node volume read/write L1 and L2 pair status.

The following table shows the leaf vol read/write per L2 pair status.