Figure 4-2 Shared TC S-VOL with SI P-VOL
In this configuration, you can only delete TC pairs when the SI P-VOL
status is RCPY. The following table shows possibilities of TC pair
operations according to the SI P-VOL status.
SI P-VOL
status
TC pair operations
Create Split Resync Delete
Switch operations
between the primary
and secondary sites
(horctakeover)
COPY(PD)/
COPY
COPY(SP)/
COPY
COPY(RS)/
COPY
Yes* Yes Yes Yes Yes
PAIR Yes* Yes Yes Yes Yes
PSUS(SP)/
PSUS
Yes* Yes Yes Yes Yes
PSUS
PSUE
Yes* Yes Yes Yes Yes
COPY(RS-
R)/RCPY
No No No Yes No
* If the TC P-VOL and TC S-VOL are DP-VOLs, the TC S-VOL cannot be used as the
SI P-VOL.
• In the following figure, the configurations shown in the previous two
figures are combined. Both the TC P-VOL and S-VOL function as SI P-
VOLs, providing multiple copies at the local and remote sites.
Figure 4-3 Shared TC P-VOL, S-VOL with multiple SI P-VOLs
Sharing TrueCopy volumes
4-9
Hitachi TrueCopy® User Guide for Hitachi Virtual Storage Platform Gx00 and Fx00 Models
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