BACKUP (Create Backups) › Back Up Data Area › Successful Execution Requirements and Controls

Successful Execution Requirements and Controls

Environmental Requirements when MULTUSE=NO and either SEQ=NAT or SEQ=PHY,UPDATE=YES

• The database may not be open for update anywhere.
• The database may or may not be open in any Multi-User Facility for read.
• The database may or may not have any table in unloading status.

Environmental Controls when MULTUSE=NO and either SEQ=NAT or SEQ=PHY,UPDATE=YES

• The database will be opened for unloading status.
• The utility has no knowledge about current ACCESS database or area status.
• The utility sets no ACCESS database or area status.

Environmental Requirements when SEQ=PHY (UPDATE=NO default)

• The database may or may not be open update or read or unloading anywhere.
• The database will not be opened for read or update or unloading.
• This option has no requirements, it provides no protection.

Environmental Requirements when MULTUSE=YES

• The database may or may not be open for update in the connected Multi-User Facility.
• The database may not be open for update in another Multi-User Facility or Single User job.
• The database may not have any table in unloading status.
• The database ACCESS must be set OPTIMIZE and WRITE/READ/UTLTY.
• The area ACCESS must be set WRITE/READ/UTLTY.
• The area may have no table in an open URT with UPDATE=YES.
• The area may not have any other MULTUSE=YES utility executing.
• When MULTUSE=YES, this function is not allowed against a Data Sharing Multi-User Facility if more than one is executing.

Environmental Controls when MULTUSE=YES

• The database will be opened by Multi-User Facility for update.
• The database will have no unloading status set.
• The utility sets ACCESS area READ (utility set).
• The utility sets BACKUP executing this Multi-User Facility this database area.