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6 Using RAID Manager for Manual

Volume Migration

In the environment where Auto LUN is installed on the storage system, users can use RAID Manager to

perform manual volume migration from an open-system host. This appendix explains the procedure and

notes for using RAID Manager to perform manual volume migration.

Sample Volum

eMigration

This section

illustrates with a example the procedure when performing manual volume migration by using

commands of

RAID Manager. In this example, It is assumed that group1 means the group name in

the RAID Man

ager conﬁguration deﬁnition ﬁle and pair1 means the name of the volume which pair

is target o

f the operation. For details on RAID Manager operation, see HP StorageWorks XP RAID

Manager User’s Guide.

To perform manual volume migration by using RAID Manager:

1. Start RAID Manager.

2. Type the following command for a SMPL pair to start volume migration:

paircrea

te −g group1 −d pair1 −mcc −vl

When volume migration starts, the status of the pair changes to COPY.

3. Type the following command to check the status of the pair:

pairdisplay −g group1 −d pair1 -fcex

When the vo

lume migration completed, the status of the pair becomes PSUS. When the volume

migratio

n failed, the status of the pair becomes PSUE.

4. When the

status of the pair becomes PSUS or PSUE, return the pair status to SMPL by the

following command:

pairsplit −S −g group1 −d pair1

Note:

Whe

n the migration failed (the status of the pair becomes PSUE), repeat step 2 and 3.When it

still becomes PSUE, contact the service engineer.

The status transition chart of a pair when the volume migration is performed by using RAID Manager

is shown below. The statuses in this chart can be displayed by typing pairdisplay command of RAID

Manager.

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