This option replaces RETIX KEYNAME=. However, all options that are currently documented continue to be supported. New features are done only with the new FUNCTION and keyword.
So, DBUTLTY with:
Can now be accomplished with 15.1 enhancement:
Refer to CA Datacom Core - 15.1 section "DATASCAN OPTION=REBUILD_SPACE_INDEX"
CA Datacom®/DB uses the DATASCAN OPTION=REBUILD_SPACE_INDEX option to track the space available in a data area which is defined with space reclamation (data area space management options other than 0).
Note: To provide compatibility with DBUTLTY processing before this function was added, the exact same actions as documented here are also performed using function RETIX with KEYNAME=*DATA and keywords DBID= and AREA=.
For the full DATASCAN discussion, refer to https://docops.ca.com/ca-datacom/15-1/en/reference/dbutlty-reference/utility-function-summary/datascan