Setting Up Non-Preconfigured Environments For Ds8000 Remote Copy For Sra; Sra Configuration For Metro Mirror And Global Mirror - IBM DS8000 User Manual

Note: The preconfigured FlashCopy relationship is synchronized by reestablishing
the original FlashCopy relationship. Four FlashCopy options can be restored
during the reestablishment process:
v persistent
v record
v nocopy
v tgtse
Important:
1. For Global Mirror in a preconfigured environment, ensure that no session or
2. Reserve the session ID, used by the LSS of the remote copy source volume, on
Setting up non-preconfigured environments for DS8000
Remote Copy for SRA
In the non-preconfigured mode, SRA creates volumes and FlashCopy and can
attach or detach volumes to or from the host.
Before you set up a non-preconfigured environment, make sure that the remote
copy target volume is unmapped from VMware ESX servers for the initial state.
SRA creates volumes and FlashCopy, and can attach volumes to or from the host
when test failover is run. SRA detaches the volumes that are created during test
failover from the host, and deletes the FlashCopy and the volumes during test
failover clean-up.
Important:
v If Global Mirror/Metro-Global Mirror is picked in a non-preconfigured
v If Metro-Global Mirror is picked for the non-preconfigured environment, make
v Reserve the session ID, used by the LSS of the remote copy source volume, on

SRA Configuration for Metro Mirror and Global Mirror

VMware SRM provides planned failover and disaster recovery.
Important: The configuration utility must be run on both the protected (primary)
site and the recovery (secondary) site. The Pre-Configured setting (checked or not
checked) needs to be consistent on both sites.
VMware SRM provides two kinds of recoveries:
v Planned failover
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IBM DS8000 Storage Replication Adapter
Global Mirror exists on the logical subsystem (LSS) of the Global Mirror target
volume for the initial state.
the target DS8000.
environment, make sure that no session or Global Mirror exists on the LSS of the
Global Mirror target volume for the initial state.
sure that no session or Global Mirror exists on the LSS of the Metro Mirror
source volume for the initial state.
the target DS8000.