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

ShadowImage for z/OS user guide 121
CAUTION: If an SIz S-VOL is in pending status and you execute an ICKDSF command for FlashCopy®
Mirror Version 2 , the ICKDSF job will end abnormally with CC=12 error. Table 7.22 describes how to
avoid that abnormal ending.
CAUTION: You cannot create the FlashCopy® Mirror Version 2 pair since the data consistency of the
FlashCopy® Mirror Version 2 T-VOL will not be insured.
CAUTION: If you create a FlashCopy® Mirror Version 2 pair with the FREEZE option when FlashCopy®
Mirror Version 2 S-VOL and TCz Synchronous R-VOL are shared, the results of FlashCopy® Mirror Version
2 operations and TCz Synchronous operations will be as follows:
When you use FlashCopy® Mirror Version 2 S-VOL as the TCz R-VOL, configure the system as follows.
• Connect different hosts to main subsystem and remote subsystem, or connect the host of main subsystem
to both main and remote subsystem.
• Use the fibre channel interface to connect main subsystem with remote subsystem.
TCzA M-Vol
OK OK
3
OK
R-Vol No
1
No
1
OK
1
You cannot create the FlashCopy® Mirror Version 2 pair since the
data consistency of the FlashCopy® Mirror Version 2 T-VOL will not
be insured.
2
If you create a FlashCopy® Mirror Version 2 pair with the FREEZE
option when FlashCopy® Mirror Version 2 S-VOL and TCz
Synchronous R-VOL are shared, the results of FlashCopy® Mirror
Version 2 operations and TCz Synchronous operations will be as
follows:
• Results of FlashCopy® Mirror Version 2 operations
When the status of TCz Synchronous pair is Suspend, the
command will end normally and you can create a FlashCopy®
Mirror Version 2 pair. However, when the status of TCz
Synchronous pair is either Duplex of Pending duplex, the
command will be rejected and you cannot create a FlashCopy®
Mirror Version 2 pair.
• Results of TCz Synchronous operations
If a FlashCopy® Mirror Version 2 pair is created with the FREEZE
option, and when a TCz Synchronous R-VOL is in extended long
busy (ELB) status, the command to create or resume a pair will be
rejected. However, the command to suspend or delete a pair will
be executed normally.
3
If a TrueCopy for z/OS M-VOL is in pending status and you execute
an ICKDSF command for FlashCopy® Mirror Version 2 , the ICKDSF
job will end abnormally with CC=12 error. Table 7.22 describes how
to avoid that abnormal ending.
Table 53 Volume Share of FlashCopy® Mirror Version 2 S-VOL and TCz
Shared TCz Pair Volume Status of TCz Pair
Duplex Pending
Duplex
Suspend