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Using version 1 with truecopy for mainframe – HP StorageWorks XP Remote Web Console Software User Manual

Page 11

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Table 4 Volume Combinations for Version 1 and ShadowImage for Mainframe (continued)

Version 1 Relationship

ShadowImage for

Mainframe Pair

ShadowImage for

Mainframe Pair Status

T-VOL

S-VOL

No

No

T-VOL

No

Yes

S-VOL

Split

No

Yes

T-VOL

No

Yes

S-VOL

Resync

No

No

T-VOL

No

No

S-VOL

Resync-R

No

No

T-VOL

No

Yes

S-VOL

Suspend

No

No

T-VOL

NOTE:

You cannot specify a ShadowImage for Mainframe S-VOL that already has three T-VOLs as a Version 1 copy

source.

Using Version 1 with TrueCopy for Mainframe

(page 11)

describes whether or not you can share Version 1 volumes with TrueCopy for Mainframe

volumes. Basically, TrueCopy for Mainframe includes both Hitachi TrueCopy™ Synchronous for
Mainframe and Hitachi TrueCopy™ Asynchronous for Mainframe.

Table 5 Version 1 and TrueCopy for Mainframe Shared Volumes

TrueCopy for Mainframe

Version 1

R-VOL

M-VOL

Yes

Yes

S-VOL

However, the condition depends on the command types as follows:

For the TSO command

There is no additional condition. The R-VOL for TrueCopy for
Mainframe can be used as the S-VOL for Version 1 to establish the
relationship.

For the DFSMSdss command

When the TrueCopy for Mainframe pair is in the Suspend status,
the R-VOL for TrueCopy for Mainframe can be used as the S-VOL
for Version 1 to establish the relationship. When the TrueCopy for
Mainframe pair is in a status other than Suspend, the R-VOL for
TrueCopy for Mainframe cannot be used as the S-VOL of Version
1 to establish the relationship.

No

No

T-VOL

The Version 1 and TrueCopy for Mainframe shared configuration is different from the IBM FlashCopy
and PPRC shared configuration. For Version 1 and TrueCopy for Mainframe, you cannot create
the TrueCopy for Mainframe pairs shown in

(page 12)

.

Interoperability with Other Products and Functions

11