Figure 77 – HP XP Business Copy Software User Manual

Page 140

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NOTE:

All combinations other than shown in

Table 67

will result in rejection of this command.

The information specified by the XTNTLST parameter is supported only when the following conditions

are fully met:
• The information specified by the XTNTLST parameter must be for both the source and target. If the

information specified by the XTNTLST parameter is only for one of the two, the copy operation will

result as an error.

• The size of the specified copy source and target extents must be the same.
• The relationship must be established with INCREMENTAL = NO or must be established without

INCREMENTAL.

Each of the example cases listed in

Table 67

is further explained below with the command description and

illustration.

Case 1: FCWITHDR command (TDEVN: specified, DDSW = NO)
Below is an example of the command description for Case 1. This example requests the withdrawal of

all the relationships established with the copy target extents existing in the device numbered 4203.

50 h

Figure 77

Example of FCWITHDR Command Description (for Case 1)

By executing the command described above, the relationship established with the specified target,

Dataset 3, in the device numbered 4203 is withdrawn. Whereas, the relationship established with

Dataset 4 is not withdrawn because it is the dataset specified as the source. In short, there are two

6

Specified

Specified

or not

specified

Not

specified

YES

Specified Specified Not specified

Among the

relationships

established with the

device specified by

SDEVN, all the

relationships that partly

or entirely include the

copy target extents

specified by the

XTNTLST parameter are

withdrawn. The

information about the

specified TDEVN and

the copy target extents

specified by the

XTNTLST parameter are

ignored. See

Figure 92

.

7

Not

specified

Not

specified

Specified

NO

Not

specified

Not

specified

THAW

Resume the write

operation to the

volumes that belong to

the CU specified by

DEVN parameter.

Relationships (pairs)

will not be withdrawn.

Table 67

Parameters of FCWITHDR Command and Applicable Combinations (continued)

Case No. SDEVN

TDEVN

DEVN

DDSW XTNTLST

ACTION

Process

Source

Target

FCWITHDR TDEVN(X'4203')

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