HP StorageWorks XP24000 for FlashCopy Mirroring Software User's Guide (T5240-96001, June 2007)

Table 47 Differences of Relationship Releasing Process Between IBM FlashCopy and
Version 2
Version 2
Compared Item IBM FlashCopy
The command withdraws the copy
targets for relationships existing within
theentireextents specified as the
source. When the copy target for the
The command withdraws the copy
relationship is only partly included
targets for relationships existing within
in the specified extent, the command
the extents specified as the source,
does not withdraw the relationship.
provided that:
Caution : If one of the following has
• When the copy target for the
been performed, the creation of
relationship is only partly in cluded
FCWITHDR command
relationships may fail:
in the specified extent, only the
(DDSW = YES,
area that is included in the extent
• A scratch operation
XTNTLST parameter
is withdrawn.
• Deletion of datasets
specified)
• When only the central part of the
• Volume initialization
copy target for the relationship is
Therefore, if any of these have been
included in the specified extent,
performed, do one of the following:
only the area that is included is
withdrawn. The remaining area of
• Use the FCWITHDR command to
the relationship is divided up.
withdraw the relationship.
• Wait until the background
copy operation finishes and the
relationship disappears.
XP24000 for FlashCopy Mirroring Software User's Guide
107