Hitachi ShadowImage for z/OS user guide (HIT9503-96004, June 2006)

ShadowImage for z/OS user guide 89
NOTE: You cannot create a pair that has a T-VOL shared with the S-VOL of an L1 pair.
Combining ShadowImage - FlashCopy With Other Copy Solutions
You can combine an ShadowImage - FlashCopy pair with a TC390 or XRC pair (see Table 37 and
Table 38).
The ShadowImage - FlashCopy and TC390 shared configuration is different from the IBM FlashCopy and
PPRC shared configuration. For ShadowImage - FlashCopy and TC390, you cannot create the following
TC390 pairs (see Figure 43):
• A TC390 pair that includes a volume functioning as both an ShadowImage - FlashCopy T-VOL and a
TC390 M-VOL.
• A TC390 pair that includes a volume functioning as both an ShadowImage - FlashCopy T-VOL and a
TC390 R-VOL.
Figure 43 ShadowImage - FlashCopy and TCz: shared T-VOL and M-VOL/R-VOL (not allowed)
You cannot create a TCz pair that includes a volume functioning as both a FlashCopy Mirror T-VOL and a
TCz M-VOL. You cannot create a TCz pair that includes a volume functioning as both a FlashCopy Mirror
T-VOL and a TCz R-VOL.
Table 37 ShadowImage - FlashCopy and TC390 shared volume
TC390 M-VOL TC390 R-VOL
ShadowImage - FlashCopy S-VOL OK OK
The TC390 pair must be suspended (status = suspend)
ShadowImage - FlashCopy T-VOL NO NO