Hitachi ShadowImage for z/OS user guide (HIT9503-96007, October 2007)

ShadowImage for z/OS user guide 95

NOTE: For IBM FlashCopy and PPRC, you can create a PPRC pair that includes a volume functioning as

both a FlashCopy T-VOL and a PPRC primary volume, and a PPRC pair that includes a volume functioning

as both a FlashCopy T-VOL and a PPRC secondary volume.

Figure 43 FlashCopy® Mirror and URz: Shared T-VOL and P-VOL / S-VOL (Not Allowed)

You cannot create a URz pair that includes a volume that functions as both a FlashCopy T-VOL and a URz

P-VOL. You also cannot create a URz pair that includes a volume that functions as both a FlashCopy T-VOL

and a URz S-VOL.

Table 38 ShadowImage - FlashCopy and XRC shared volume

XRC Primary Volume XRC Secondary Volume

ShadowImage - FlashCopy S-VOL OK OK

ShadowImage - FlashCopy T-VOL NO NO

Table 39 ShadowImage - FlashCopy and URz shared volume

URz Primary Volume URz Secondary Volume

ShadowImage - FlashCopy S-VOL OK OK

ShadowImage - FlashCopy T-VOL NO

When you are using the DFSMSdss

command, copy via host will be

performed. If the status of the URz

pair is suspend, CC=4 is reported to

the host. If the status of the URz pair

is something other than suspend,

CC=0 is reported to the host.

When you are using the DFSMSdss

command, copy via host will be

performed. CC=4 is reported to the

host.