Setting options, Establishing version 2 relationships – HP StorageWorks XP Remote Web Console Software User Manual

Page 83

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Setting Options

The Option window (see

(page 80)

) allows you to specify the options to expand Version 2

operations.

To set options:

1.

Display the Option window.

If you are already displaying another window, click the Option tab. For information about
how to display the Option window directly by starting up Remote Web Console, see the
Hitachi ShadowImage™ for Mainframe User Guide: HP XP24000 Disk Array, HP XP20000
Disk Array
.

2.

Select the check box of the option you want to set.

3.

Click Apply.

You can now perform Version 2 operations with the specified option.

If you do not want to set any option, clear all the check boxes in the Select Option(s) box.

Establishing Version 2 Relationships

You need to use the FCESTABL command of PPRC TSO, DFSMSdss commands, ICKDSF
commands, and ANTRQST Macro commands to establish Version 2 relationships.

NOTE:

When many FlashCopy relationships are established at a time for the storage system

shared with IBM OS and Fujitsu OS, the time-out will occur. Therefore, when planning to establish
a quantity of FlashCopy relationships, divide the tasks into small groups to minimize time-out issues.

For example, when you establish 100 relationships or more, you should establish relationships at
intervals of about five seconds per 100 relationships.

In IBM FlashCopy, the time required to copy data when a relationship is established is different.
IBM FlashCopy copies data when either the source or target volume is updated.

Establishing Version 2 Relationships by Volumes Using TSO Command

(page 83)

describes the parameters you can use with the FCESTABL command when you establish

Version 2 relationships by volumes.

Table 50 Parameters for the FCESTABL Command (Version 2/Volume Copying)

Description

Value

Parameter

Specify the number (device address) of
the S-VOL on which you want to

Source device number.

SDEVN

perform the FCESTABL command. (This
parameter is essential.)

Specify the number (device address) of
the T-VOL on which you want to

Target device number.

TDEVN

perform the FCESTABL command.
(This parameter is essential.)

Default setting. All the data in the copy
range of the volume specified as the

COPY

MODE

source by SDEVN is background-copied
to the volume specified as the target by
TDEVN. The relationship ends
automatically, and all the data is
copied.

Data is not copied in the background.
The relationship does not end

NOCOPY

automatically, even when all the data
is copied. To withdraw the relationship,

Setting Options

83

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