HP XP24000/XP20000 for FlashCopy Mirroring Software User Guide (T5240-96012, November 2011)

6 Preparing for Version 2 Operations

This chapter describes the requirements and preparations for performing Version 2 operations.

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Requirements for Version 2

CAUTION: Version 1 and Version 2 cannot be used simultaneously. If one or more Version 1

relationships exist in the storage system, you cannot establish any Version 2 relationships until you

withdraw all existing Version 1 relationships.

You can establish a Version 2 relationship not only for simplex volumes, but also for ShadowImage

for Mainframe S-VOLs or T-VOLs in a status other than simplex. For information about sharing

volumes with ShadowImage for Mainframe, see (page 54).

(page 63) describes other requirements for using Version 2.

Table 37 Requirements for Version 2

RequirementItem

I-2105 and I-2107Controller emulation type

The controller emulation type of an S-VOL and a T-VOL

must be the same.

Version 2 can use a volume whose LDKC:CU:LDEV (LDKC:

control unit image: logical device ID) is between 00:00:00

and 00:FE:FF, and between 01:00:00 and 01:FE:FF.

Available volume

(page 63) lists the emulation types supported by Version 2 and the conditions for the combination

of S-VOL and the T-VOL.

Table 38 Emulation Types Supported by Version 2

Emulation Type of T-VOLEmulation Type of S-VOL

3390-M3390-L3390-93390-33380-3

NGNGNGNGYes3380-3

YesYesYesYesNG3390-3

YesYesYesYesNG3390-9

YesYesYesYesNG3390-L

YesYesYesYesNG3390-M

If the emulation type starts with 3390, you can specify volumes with different emulation types for

the S-VOL and the T-VOL. However, you cannot establish a relationship using a 3380-3 volume

and a volume whose emulation type starts with 3390. In the case of a 3380-3 volume, you must

specify 3380-3 volumes for both the S-VOL and the T-VOL.

The specified extent must be within the range of the user cylinders in each volume.

Requirements for Version 2 63