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HP XP P9500 Storage User Manual

Page 157

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“Restore a pair” (page 73)

“Delete a pair ” (page 76)

Description

Item

Lists LDKCs of the local storage system, with CU groups displaying under the LDKC. The CU images
appear under the CU groups. Selecting a CU group or a CU image lists the volumes for the CU group

Tree

or image. You can select only one CU group or image at one time and cannot select two or more
simultaneously.

When clicked, opens the Display Filter dialog box where you can filter information in the Pair Operation
list. See

(page 169)

for more information.

Display Filter

Saves information about volume pairs in a text file. See

(page 85)

for more information.

Export

Clicking Previous shows the pair status information for the previous pair in the list (the pair in the row
above). Clicking Next shows the pair status information for the next pair in the list (the pair in the row

Previous/Next

below). The list shows a maximum of 2,048 rows at once. The Previous and Next buttons on the Detailed
Information dialog box can be used only for the currently shown 2,048 rows.

Shows information about the volumes in the local storage system. One row represents one volume. By
default, information in the list is arranged in order of port numbers. For volumes with more than one path,

Pair Operation

each path appears in a separate row. The maximum number of rows in the list is 2,048. If the number
of volumes exceeds the number of rows, click Previous or Next to view information about volumes that
do not appear in the list. You can also use the vertical and horizontal scroll bars to view more information.

VOL: Identifies the volumes in the local storage system. See the figures at the end of this table for an
illustration with identifying callouts.

A device ID ending in # (e.g., 00:00:3C #), indicates the LDEV is an external volume. For details on
an external volume, see HP StorageWorks P9000 External Storage for Open and Mainframe Systems
User Guide
.

A device ID ending in X (e.g., 00:00:3C X) indicates the LDEV is a Thin Provisioning virtual volume.
For details on a virtual volume, see HP StorageWorks P9000 Provisioning for Open Systems User
Guide
.

To the right of the icon appears the LDKC number, the CU image number and the LDEV number of the
volume. The CU image number is located on the left of the colon. The LDEV number is located on the
right of the colon.

The icons are:

This volume is not paired with any other volume. This volume is neither a P-VOL nor a S-VOL.

This is a P-VOL.

This is a S-VOL.

Status: Indicates the status of pairs.

Simplex: The volume is not currently assigned to a pair. When the initial copy is started by an Add

Pair operation, the volume status changes to Pending

Pending: The initial copy operation is in progress. Data in the P-VOL is not synchronized with data

in the S-VOL. When the initial copy is complete, the status changes to Duplex.

Duplex: The volume is paired with another volume. The two volumes are fully synchronized. All

updates from the host to the P-VOL are duplicated at the S-VOL.

Suspend: The pair has been split. The P-VOL and the S-VOL are not synchronized.

Hold: A pair for delta resync operation is created.

Pair Operation
(continued)

Hlde: An error occurred with the pair for delta resync operation.

Holding: The pair status is changing to Hold while creating a delta resync pair.

Suspending: The P-VOL and the S-VOL are not synchronized. This pair is in transition from the Pending

or Duplex status to the Suspend status

Pair Operation window

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