ARCCBEXT Parameter List

Table 1. ARCCBEXT Parameter List
Offset	Length or Bit Pattern	Description
00 (X'00')	4	The address of a fullword binary area containing one of the following: 0 The exit was called during automatic backup. 4 The exit was called by the BACKVOL command.
04 (X'04')	4	The address of a 44-byte area containing the name of the journal backup data set⁽¹⁾
08 (X'08')	4	The address of a list of volume serial numbers indicating which volumes the journal backup data set is on ^{(1 and 2)}
12 (X'0C')	4	The address of a 44-byte area containing the name of the migration control data set (MCDS) backup data set ⁽¹⁾
16 (X'10')	4	The address of a list of volume serial numbers indicating which volumes the MCDS backup data set is on ^{(1 and 2)}
20 (X'14')	4	The address of a 44-byte area containing the name of the backup control data set (BCDS) backup data set ⁽¹⁾
24 (X'18')	4	The address of a list of volume serial numbers indicating which volumes the BCDS backup data set is on ^{(1 and 2)}
28 (X'1C')	4	The address of a 44-byte area containing the name of the offline control data set (OCDS) backup data set ⁽¹⁾
32 (X'20')	4	The address of a list of volume serial numbers indicating which volumes the OCDS backup data set is on ^{(1 and 2)}
36 (X'24')	4	The address of a 4-byte area with only bits in the first byte defined. The bits are: .0.. .... DFSMShsm backed up the control data sets .1.. .... DFSMSdss backed up the control data sets. ..0. .... The MCDS backup was successful. ..1. .... The MCDS backup was unsuccessful. ...0 .... The BCDS backup was successful. ...1 .... The BCDS backup was unsuccessful. .... 0... The OCDS backup was successful. .... 1... The OCDS backup was unsuccessful. .... .0.. The journal backup was successful. .... .1.. The journal backup was unsuccessful. .... ..0. Neither the MCDS nor the BCDS has been split. .... ..1. Either, or both, the MCDS and BCDS have been split into a multicluster control data set.
40 (X'28')	4	The address of a 44-byte area containing the name of the MCDS2 backup data set ^{(1 and 3)}
44 (X'2C')	4	The address of a list of volume serial numbers indicating which volumes the MCDS2 backup data set is on ^{(1, 2, and 3)}
48 (X'30')	4	The address of a 44-byte area containing the name of the MCDS3 backup data set ^{(1 and 3)}
52 (X'34')	4	The address of a list of volume serial numbers indicating which volumes the MCDS3 backup data set is on ^{(1, 2, and 3)}
56 (X'38')	4	The address of a 44-byte area containing the name of the MCDS4 backup data set ^{(1 and 3)}
60 (X'3C')	4	The address of a list of volume serial numbers indicating which volumes the MCDS4 backup data set is on ^{(1, 2, and 3)}
64 (X'40')	4	The address of a 44-byte area containing the name of the BCDS2 backup data set ^{(1 and 3)}
68 (X'44')	4	The address of a list of volume serial numbers indicating which volumes the BCDS2 backup data set is on ^{(1, 2, and 3)}
72 (X'48')	4	The address of a 44-byte area containing the name of the BCDS3 backup data set ^{(1 and 3)}
76 (X'4C')	4	The address of to a list of volume serial numbers indicating which volumes the BCDS3 backup data set is on ^{(1, 2, and 3)}
80 (X'50')	4	The address of a 44-byte area containing the name of the BCDS4 backup data set ^{(1 and 3)}
84 (X'54')	4	The address of a list of volume serial numbers indicating which volumes the BCDS4 backup data set is on ^{(1, 2, and 3)}
Note: If the exit passes a value of 0 for the address of the backup data set name or the list of volumes, DFSMShsm did not back up that data set. The area pointed to by the address of the list of volume serial numbers is: A halfword binary area containing the number of volume serial numbers in the list. A list of volume serial numbers and generic unit names. Each volume serial number is followed by the generic name of the tape unit on which the volume was written. Each volume serial number is 6 bytes long, and each unit name is 8 bytes long. This parameter is passed only for multicluster control data sets.