HP XP Racks User Manual

Page 69

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Prerequisites for the Compatible FlashCopy linkage configuration

The following describes the prerequisites for linking Compatible FlashCopy.

Storage system conditions

XP24000/XP20000, P9500, and XP7 are used.

Compatible FlashCopy conditions

Compatible FlashCopy Version 2 is used with XP24000/XP20000. Note that only Compatible
FlashCopy Version 2 is available for XP7 and XP P9500.

The following table lists the available Compatible FlashCopy functions.

Table 12 Available Compatible FlashCopy functions in order to link with Compatible FlashCopy

When the Preserve Mirror function is

used

When the Preserve Mirror function is not

used

Compatible FlashCopy

function

Y

Y

COPY mode

Y

N

NOCOPY mode

Y

N

NOCOPYTOCOPY mode

Y

N

Incremental FlashCopy

Y

N

Consistency Group

Legend: Y: Can be used; N: Cannot be used

To create a relationship with Compatible FlashCopy, the following options must be specified.

Table 13 Compatible FlashCopy command options

Necessary option

Command

When the Preserve Mirror function is

used

When the Preserve Mirror function

is not used

FCTOPPRCPRIMARY

(PRESMIRNONE| PRESMIRPREF|

PRESMIRREQ)

FCTOPPRCPRIMARY

DFSMSdss COPY command

TGTPPRIM(YES)

TSO/E FCESTABL command

TGTPPRIM(YES)

PRESERVEMIRROR

Business Continuity Manager conditions

Table 14 (page 69)

describes the conditions for copy pairs (the copy type, differential-data

management unit, and copy pair status when linked with Compatible FlashCopy) that can be
linked with Compatible FlashCopy.

Table 14 Copy pair conditions for Compatible FlashCopy linkage

Copy pair status when linked with Compatible FlashCopy

Differential-data

management unit

1

Copy type

Suspend status

CYL

Continuous
Access

Either of the following:

TRK

Synchronous
Z

DUPLEX

status

2, 3, 4

Suspend status

Replication products and data center configurations

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