HP XP Business Copy Software - Manual (Page 170)

170 ShadowImage for the XP1024/XP128/XP12000/XP10000/SVS 200
7 FCWITHDR command
(DDSW = NO,
XTNTLST parameter
specified)
The command withdraws the copy
targets of pairs existing within the
extents specified as the target, provided
that:
• When the copy target of the pair is
only partly included in the extent
specified as the target, only the
area that is included in the extent is
withdrawn.
• When only the central part of the
copy target of the pair is included
in the extent specified as the target,
only the area that is included is
withdrawn. The remaining area of
the pair is divided up.
The command withdraws the copy
targets of pairs existing within the
extents specified as the target. When
the copy target of the pair is only partly
included in the extent specified as the
target, the command does not
withdraw the pair.
CAUTION: If one of the following
has been performed, creation of
relationships may fail:
• A scratch operation
• Deletion of datasets
• Volume initialization
Therefore, if any of these has been
performed, please do either of the
following:
• Use the FCWITHDR
command to withdraw the
relationship.
• Wait until the background
copy operation finishes and
the relationship disappears.
8 REMOVEFCPY
(ICKDSF CONTROL
command)
The command will finish normally. Pairs
will not be deleted.
Not supported. The command will
finish abnormally. Pairs will not be
deleted.
9 The operation when
you establish a dataset
relationship by using
DFSMSdss command,
and specified the
source or target volume
of a volume
relationship as the
copy target.
Part of the volume relationship will be
withdrawn.
When you specify the source volume of
a volume relationship as the copy
target, the entire volume relationship
will be withdrawn.
When you specify the target volume of
a volume relationship as the copy
target, the volume relationship will be
withdrawn.
10 Establishing
relationships by using
TSO command when
you specify a copy
target volume of PPRC
as a source volume
Supported.
The ACTION (FREEZE) option can be
used.
Not supported.
The command will be rejected.
11 Operations under the
VM and VSE OS
Supported. Not supported.
Table 78 Differences Between IBM FlashCopy and Compatible Mirroring for IBM FlashCopy Version 2
No. Compared item IBM FlashCopy FlashCopy Mirror Version 2