HP System Replication Adapter Software QL227 for VMware manual

Table 1 Remote Copy failover from Site A to Site B (continued)

			Site A Role
			After HP	Site B Role
			3PAR	after HP 3PAR
		Execution	System	System	HP 3PAR OS
State	SRM Command	Site	Command	Command	Command	Description
					getport
					setrcopygroup
					failover
Failover	–	–	Primary	Primary-Rev	–	State 2
1.6
2	–	–	Primary	Primary-Rev	–	State 2
Restore	prepareRestoreReplication	B	Primary	Primary-Rev	getvv	Remove LUN
1.1					getvlun	exposure on Site B.
						Revers the Remote
					getrcopy	Copy role changes.
					setrcopygroup	Remove the Remote
					reverse	Copy state from the
					removevlun	registry.

Restore restoreReplication A	Primary	Secondary	getvv
1.2			getvlun
			getrcopy
			startrcopygroup
			createvlun

Restore LUN exposure on Site A. Start the replication flow. Remove the Remote Copy state from the registry.

Restore	syncOnce	A	Primary	Secondary	getvv	Make sure all
1.3					getvlun	changes are
						replicated to the
					syncrcopy	remote site.
1	–	–	Primary	Secondary	–	State 1

Table 2 Remote Copy recover — Replication begins from Site B to Site A

				Site B Role
			Site A Role	after HP
			After HP	3PAR
		Execution	3PAR System	System	HP 3PAR OS
State	SRM Command	Site	Command	Command	Command	Description
2	—	—	Primary	Primary-Rev	–	State 2
Reverse	prepareReverseReplication	A	Primary	Primary-Rev	getvv	Remove the Remote
1.1					getvlun	Copy state from the
						registry.
Reverse	reverseReplication	B	Secondary-Rev	Primary-Rev	getvv	Remove the Remote
1.2					getvlun	Copy state from the
						registry. Start
					setrcopygroup	Remote Copy
					recover	replication.
Reverse	syncOnce	B	Secondary-Rev	Primary-Rev	getvv	Make sure all
1.3					getvlun	changes are
						replicated to the
					syncrcopy	remote site.
3	—	—	Secondary-Rev	Primary-Rev	—	State 3

30 HP 3PAR SRA 5.5.2 SRM vs HP 3PAR Remote Copy state diagram