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Overview of HP StorageWorks XP Tiered Storage Manager 12

NOTE: The storage tier must be created such that it contains a volume whose characteristics match

those of the migration source volume.

4. Create a migration group

Use the CreateMigrationGroup command to create a migration group in a storage domain. A

migration group is a collection of volumes on which application data is stored. Define a migration group to

specify a collection of volumes to be migrated simultaneously.

5. Create a candidate migration plan

Use the CreateMigrationPlan command to create a candidate migration plan. A candidate migration

plan is a text file that contains a pairing of a migration source volume and a migration target volume. A

candidate volume that is chosen by Tiered Storage Manager is set in the migration target volume.

For details on how to create and edit candidate migration plans, see sections

1-2-3 and 1-2-4 .

6. Create and execute a migration task

Use the CreateMigrationTask command with a migration plan specified to create a migration task.

Created migration tasks can be executed immediately or executed using the ExecuteTask command.

This can be selected using the execute option of the CreateMigrationTask command.

For details on creating and executing migration tasks, see section

1-2-5 .

1-2-1 Storage Tier Filter Conditions

Storage tier filter conditions can be used for creating a storage tier, or for updating an existing storage tier. By

specifying a storage subsystem or characteristics of volumes in a storage tier as filter conditions, you can

select storage tiers that match the conditions.

Table 1-1 lists and describes the properties that can be specified for the filtercondition parameter of the

CreateStorageTier command and the newfiltercondition parameter of the ModifyStorageTier

command. The formats of the filter condition expressions that can be specified are:

• An expression consisting of a property name, operator, and value, for one property

• A logical expression consisting of several expressions connected by AND, for several properties

• A logical expression consisting of several expressions connected by OR, for several properties

Table 1-1 Properties That Can Be Specified for Storage Tier Filter Conditions

Property Name Operators Description

SubsystemDisplayModel =, <> The name used for displaying the model of the

storage subsystem. This name is

displayArrayType of Device Manager (not

arrayType).

Example: StorageWorks XP1024

SubsystemSerialNumber =, <>, startsWith, contains The serial number of the storage subsystem.

SubsystemName =, <> The name of the storage subsystem.

ArrayGroup =, <>, startsWith, contains The name of the array group.

SubsystemVendor =, <> The name of the storage subsystem vendor.

Capacity <, <=, =, <>, >, >= The volume capacity.

RAIDLevel =, <> The RAID level.

EmulationType =, <> The emulation type.

DiskType =, <> The disk type.

SLPRNumber =, <> The SLPR number.

CLPRNumber =, <> The CLPR number.

ControllerArrayGroup =, <>, startsWith, contains The name of the controller array group.

The following shows an example of a filter condition expression for a storage tier:

filtercondition="RAIDLevel='RAID5(3D+1P)' AND EmulationType='OPEN-8' "

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