Backup-specific files and catalog tables

File(s)	Used for	Assignment
TA-LOG1/2	Transaction logging	576/48
DDL-TA-LOG	Transaction logging in DDL	1536/384
WA-LOG	Restart	1320/48
DA-LOG	logging for user spaces	768/0
CAT-REC	controls recoveries; the file is present as original copy for updating a replication replication	12/12
CAT-LOG	logging for the catalog space	768/0
PBI	the physical before image	576/22
RECOVERY_UNITS catalog table	administering SESAM backup copies of user spaces
DA_LOGS catalog table	administering DA-LOG files

Table 50: Backup-specific files

In contrast to the file assignment sizes shown in the table, in the event of a RECOVER, the files TA-LOG1/2 and WA-LOG are always created at the size which applied when the original catalog was processed.