HP XP Business Copy Software - Manual (Page 166)

166 ShadowImage for the XP1024/XP128/XP12000/XP10000/SVS 200
6 Number of pairs
created with a source
1 pair can be created with 1 source
volume.
Maximum of 16 pairs can be created
with 1 source extent.
7 Requirements for
creating pairs
Pairs can be created with simplex SIz
volumes. It is also possible to create
pairs which specify split or duplex SIz
S-VOL or T-VOL as the source.
SIz S-VOL that already forms pair with
three T-VOLs cannot be specified as
S-VOL of a FlashCopy Mirror pair.
Pairs can be created with simplex SIz
volumes. It is also possible to create
pairs which specify split or duplex SIz
S-VOL or T-VOL as the source.
Up to 16 FlashCopy Mirror Version 2
pairs can be created by specifying the
SIz S-VOL that already forms pair with
three T-VOLs.
8 Using with other copy
solutions
FlashCopy Mirror pair can share the
volume with following copy solutions:
ShadowImage for z/OS
TrueCopy for z/OS?only M-VOL?
Universal Replicator z/OS
Extended Remote Copy
Concurrent Copy.
FlashCopy Mirror Version 2 pair can
share the volume with following copy
solutions:
ShadowImage for z/OS
TrueCopy for z/OS?R-VOL share is
available in some cases?
Universal Replicator z/OS
XRC Replication
Concurrent Copy
9 DFSMSdss command COPYFULL command is used to create
a FlashCopy Mirror pair with the entire
volume.
COPYFULL command is used to create
a FlashCopy Mirror Version 2 pair with
the entire volume.
COPY DS command is used to create a
FlashCopy Mirror Version 2 pair with
specified dataset.
10 When DFSMSdss
command is issued
again during
background copy
operation
If the copy operation is required for the
FlashCopy Mirror volume during the
copying process, the normal copy
operation will be performed via the
host.
If the copy operation is required for the
FlashCopy Mirror Version 2 volume
during the copying process, DFSMSdss
command will withdraw the pair, and
create the pair again, and then
perform the copy operation.
11 TSO command
FCESTABL
EXTENTS parameter Up to 5 extents can be specified. Up to 32 extents can be specified.
12 TSO command
FCESTABL
XTNTLST parameter Not supported. Extents at different positions can be
copied.
Up to 32 extents can be specified.
Table 77 Differences Between FlashCopy Mirror and FlashCopy Mirror Version 2 (continued)
No. Compared item FlashCopy Mirror FlashCopy Mirror Version 2