HP XP P9500 Storage User Manual

Page 133

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This dialog box lets you view details for a selected Continuous Access Synchronous Z pair.

Description

Item

The following displays in the order shown:

M-VOL and R-VOL areas

LDKC number, CU number, and device ID

Emulation type

Capacity (number of cylinders)

Local volume’s cache logical partition number and name.

CLPR

Status of the pair’s local volume. For descriptions of pair statuses, see

“Pair status definitions”

(page 61)

.

Pair Status

Progress of the initial copy as a percentage.

Pair Synchronized

If you selected an M-VOL , the serial number of the RCU (remote system), and the SSID. If
you selected an R-VOL, MCU (main system) information is shown.

RCU (or MCU) S/N and
SSID

Controller ID and model name of the remote system.

Controller ID

6 is the controller ID and P9500 is the model name.

5 is the controller ID and XP24000/XP20000 Disk Array is the model name.

4 is the controller ID and XP12000 Disk Array/XP10000 Disk Array is the model name.

Data path channel type.

MCU-RCU Path

Program product pair type (TC). Synchronous or Synchronous-C

Update Type

Number of tracks copied per interval during the initial copy. Copy pace can be 3 tracks
or 15 tracks.

Copy Pace

This field displays only when the M-VOL is selected. It is disabled when the status becomes
Duplex.

Order in which initial copy/resynchronizing operations are performed on multiple pairs.

Initial Copy Priority

This field displays only when the M-VOL is selected. It is disabled when the status becomes
Duplex.

This value is 0 for pairs created with the CESTPAIR TSO command or Business Continuity
Manager.

The M-VOL shows Never, Data, or Status. For more information, see prerequisites in

“Create

pairs” (page 55)

.

M-VOL Fence Level

Indicates whether write I/O to the R-VOL is enabled or disabled. When Enabled,
“Enabled/Received” or “Enabled(Not Received)” appears depending on whether I/O has
been received by the volume.

R-VOL Write

Date and time the pair was created.

Paired Time

Date and time pair status was last updated.

Last Update Time

Amount of time for the actual pair creation to complete. This differs from the time displayed
in the Copy Time field on the History window, which includes the extra time used by the
system to receive the request and start the operation.

Pair Copy Time

This field displays only when the M-VOL is selected.

Indicates whether or not the host I/O timestamp is transferred from the M-VOL to the R-VOL.

Time Stamp

Method by which differential data is stored: by cylinder or by track.

Difference Management

Indicates whether CFW data is copied to the R-VOL or not. The Only M-VOL setting is
recommended because copying CFW data impacts storage system performance and it is

CFW Data Copy

typically used for temporary files (for example, sort work datasets), which are not usually
required for disaster recovery.

Pair Operation window

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