HP XP7 Storage - Manual (Page 83)

Figure 34 FCWITHDR command processing (SDEVN and TDEVN: specified, DDSW = NO, XTNTLST
specified) (for Example 4B)
The following is an example of the command description that indicates that the extent specified
by the XTNTLST parameter is located in the center of Dataset 1, and the specified extent in the
device numbered 4202 is included as a part of Dataset 1: SDEVN and TDEVN specified,
DDSW=NO, XTNTLST specified. Therefore, the relation established with Dataset 1 is not withdrawn.
FCWITHDR SDEVN(X'4202') TDEVN(X'4203')
XTNTLST(X'01000000' X'0100000E' X'21000000'
X'2100000E'
Case 5: SDEVN and TDEVN Specified, DDSW = YES
All the relationships established with the extents in the source or target device specified by SDEVN
are withdrawn.
If the device specified by SDEVN is the source and if the relationships are set to the COPY mode,
the relationships are withdrawn after the background copy process is completed.
If the device specified by SDEVN is the source and if the relationships are set to the NOCOPY
mode, the relationships are withdrawn after the copy operation mode is changed to COPY mode
and then the background copy process is completed. If the device specified by SDEVN is the target,
the relationships are withdrawn immediately. If the device specified by SDEVN is the source and
the relationship is established with INCREMENTAL = YES, the relationship will be maintained after
the background copy operation is completed. The information on the device specified by TDEVN
is ignored.
The following is an example of the command description for Case 5: SDEVN and TDEVN: specified,
DDSW = YES. When YES is selected for the DDSW parameter, the parameter value for TDEVN
is ignored. Therefore, the following two examples show the same content represented by a different
description, both requesting the withdrawal of all the relationships established with the device
numbered 4202.
Releasing Compatible FlashCopy relationships 83