CXXMAINT (Maintain Directory) › CXXMAINT CONVERT1412 (Downgrade CXX to Prior Version) › How to Use

How to Use

Execute DBUTLTY using the following command:

►►─ CXXMAINT OPTION=CONVERT1412,DDNAME=dddddddd ──────────────────────────────►◄

Command

CXXMAINT

Invokes the function for Directory maintenance.

Required Keywords

OPTION=CONVERT1412

Requests the CXXMAINT CONVERT1412 option.

,DDNAME=

Specifies the JCL DDname for the input data set containing the current Directory backup.

A DDNAME is not acceptable for sequential input or output files if it is a name reserved for a CA Datacom area. Names with the following patterns are not acceptable for DDNAME=:

• 3-byte names that end with XX, meaning they are reserved as either current or future CA Datacom control areas.
• 6-byte names that end with what could be a database ID from 001 through 999.
• 7-byte names that end with what could be a database ID from 1000 through 9999.

  The DDNAME= value is verified for acceptability to protect you from unintentionally causing data corruption. The DDNAME check is the default but optional. You can prevent the DDNAME check by using a DBSIDPR parameter (DBUTLTY_EDIT_DATA_SET=) for individual MUF environments. We recommend that you allow the DDNAME check.

  The data corruption risk involves not the DDNAME itself but the content of the data set. For example, suppose that you used the CXX DDNAME as the output of a backup. You then copied the CXX DD statement and changed the DDNAME of the copy to be acceptable, avoiding the DDNAME= error. The backup would, however, then overlay the CXX data set, which is not the intent of a backup.

  If you specify an unacceptable name for DDNAME=, message DB10059E is generated. For more information about DB10059, see the CA Datacom/DB Message Reference Guide.

  Note: We recommend that you allow DDNAME= check protection. You can, however, disable DDNAME= protection. To disable protection, assemble the DBSIDPR module used for this CA Datacom environment and specify NONE for the DBUTLTY_EDIT_DATA_SET= parameter. The default is DBUTLTY_EDIT_DATA_SET=FULL_1, which allows DDNAME= protection. For more information about DBSIDPR and DBUTLTY_EDIT_DATA_SET=, see the CA Datacom/DB Database and System Administrator Guide.

  Valid Entries:

  Input data set name

  Default Value:

  (No default)