HP XP Business Copy Software - Manual (Page 31)

Table 6 Host Pair Status Reporting for SIz/TCz Shared Volumes (continued)
Pair Status Reported by Storage System Number of TCz Pairs Number of SIz S-VOLs
TCz pair status 1 1
TCz pair status 1 2 or more
Table 7 (page 31) lists the currency of the data on shared SIz/TCz volumes based on the SIz and
TCz pair status.
Table 7 Currency of a Shared SIz and TCz Volume
TCz Pair Status SIz Pair Status
Suspended Duplex Pending
Not current Not current Not current Pending
CURRENT Not current Not current Duplex
CURRENT Not current Not current SP-Pending
CURRENT Not current Not current V-Split
CURRENT CURRENT CURRENT Split
CURRENT Not current Not current Resync
CURRENT N/A N/A Resync-r
Not current Not current Not current Suspended
Figure 10 (page 31) shows a volume that is functioning as both an SIz S-VOL and a TCz M-VOL.
This configuration allows you to:
•
Use ShadowImage for Mainframe to provide on-site backup copies of TCz M-VOLs, and/or
•
Use TCz to provide remote backup copies of SIz S-VOLs.
Figure 10 SIz and TCz: Shared S-VOL / M-VOL
Figure 11 (page 32) shows a volume that is functioning as both an SIz S-VOL and a TCz R-VOL.
This configuration allows you to use SIz to provide additional remote copies of TCz R-VOLs.
Hitachi TrueCopy™ for Mainframe 31