HP System Replication Adapter Software QL227 for VMware manual Gethost

Models: System Replication Adapter Software QL227 for VMware

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11HP 3PAR SRA 5.5.2 SRM vs HP 3PAR Remote Copy state diagram

Table 1 Remote Copy failover from Site A to Site B

 

 

 

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

1

Primary

Secondary

Failover

checkFailover

B

Primary

Secondary

getvv

1.1

 

 

 

 

getvlun

 

 

 

 

 

 

 

 

 

 

getrcopy

Failover

syncOnce

A

Primary

Secondary

getvv

1.2

 

 

 

 

getvlun

 

 

 

 

 

 

 

 

 

 

syncrcopy

Failover

querySyncStatus

A

Primary

Secondary

getvv

1.3

 

 

 

 

getvlun

 

 

 

 

 

 

 

 

 

 

getrcopy

Failover

prepareFailover

A

Primary

Secondary

getvv

1.4

 

 

 

 

getvlun

 

 

 

 

 

 

 

 

 

 

getrcopy

 

 

 

 

 

removevlun

Failover

failover

B

Primary

Primary-Rev

getvv

1.5

 

 

 

 

getvlun

 

 

 

 

 

 

 

 

 

 

getrcopy

 

 

 

 

 

gethost

Description

State 1

Check current group status.

Make sure all changes are replicated to the remote site.

Report replication status.

Remove LUN exposure from the host. Add Remote Copy state to the registry.

Failover the Remote Copy group to the target site. Add the Remote Copy state to the registry.

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HP System Replication Adapter Software QL227 for VMware manual Remote Copy failover from Site a to Site B, Gethost