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Overview of HP StorageWorks XP Tiered Storage Manager 16

# targetControllerDeviceNumber=2:A6

# targetControllerDeviceNumber=2:A7

Figure 1-2 Example Candidate Migration Plan

Even if migration target volume candidates cannot be selected for all migration source volumes, the specified

candidate migration plan is created for those that can be selected.

A candidate for a migration target volume is selected from the logical partition (SLPR and CLPR) to which the

migration source volume belongs. If a volume that can serve as a migration target volume is not found within

the logical partition to which the migration source volume belongs, an empty string is output for the controller

LDEV number of the migration target volume. In such a case, the command outputs the candidate migration

plan and terminates with an error.

In candidate migration plans, comment lines (lines whose first column starts with a hash mark (#)), like those

described below, are generated automatically by Tiered Storage Manager:

• Comment lines for a pair that consists of a migration source volume and a migration target volume

The following information is displayed after the pair line (and before the lines that display the pair that

consists of the migration source volume and migration target volume):

• Information about attributes, capacity, and location for the migration source volume

The LUSE volume attribute (LUSE)

The LU device number (LU)

The emulation type (emulationType)

The CVS volume attribute (CVS)

The volume capacity (capacityInKB)

The SLPR number (SLPRNumber)

The CLPR number (CLPRNumber)

The cache mode (cacheMode)

The IO suppression mode (IOSuppressionMode)

• Comment lines for a candidate migration target volume

Comment lines start with the # Target candidates for source LDEV line and the following

information is output: The items to be output and their order might differ depending on the version

installed on the server.

• Controller logical device number for the corresponding migration source volume

This item is displayed in the # Target candidates for LDEV line. Multiple volume candidates

are separated by commas and displayed if multiple candidates that can serve as migration target

volumes exist.

• Information about an attribute, capacity, and location for each migration target volume (candidate

volume):

The emulation type (emulationType)

The CVS volume attribute (CVS)

The volume capacity (capacityInKB)

The name of model (subsystem)

The SLPR number (SLPRNumber

)

The CLPR number (CLPRNumber)

The name of the array group where the LDEV exists (arrayGroupName)

The disk type (diskType)

The RAID level (RAIDLevel)

The cache mode (cacheMode)

The IO suppression mode (IOSuppressionMode)

Controller logical device number for the corresponding migration target volume (candidate volume)

If multiple migration target volumes (candidate volumes) exist, multiple lines are displayed for each

volume. For the first candidate (the volume that is paired with the migration source volume after the

pair line), an asterisk (*) and controller logical device number for the migration source volume (in

parentheses) are displayed following the controller logical device number.

All volumes other than the first candidate are chosen not only from the logical partition (SLPR and CLPR) to

which the migration source volume belongs, but also from the other logical partitions (SLPRs and CLPRs).

Users can change the candidate volume easily by switching the first candidate migration target volume and one

of the subsequent candidate volumes.

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