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Administrator's Reference

UPDATE DBBACKUPTRIGGER (Update the Database Backup Trigger)

Use this command to update the database backup trigger.

Privilege Class

To issue this command, you must have system privilege or unrestricted storage privilege.

Syntax

>>-UPDate DBBackuptrigger--+---------------------------+-------->
                           '-LOGFullpct--=--percentage-'
 
>--+--------------------------------+--------------------------->
   '-DEVclass--=--device_class_name-'
 
>--+------------------------------------+----------------------->
   '-INCRDEVclass--=--device_class_name-'
 
>--+---------------------------+-------------------------------><
   '-NUMINCremental--=--number-'
 
 

Parameters

LOGFullpct
Specifies a recovery log utilization percentage. When this value is exceeded, Tivoli Storage Manager backs up the database. The range is from 1 to 99.

DEVclass
Specifies the name of the sequential access device class to use for backups.

If all drives associated with this device class are busy when the backup is triggered, Tivoli Storage Manager cancels lower priority operations, such as reclamation, to make a drive available for the backup.

INCRDEVclass
Specifies the name of the sequential access device class to use for incremental backups.

NUMINCremental
Specifies the maximum number of incremental backups that can be run before a full backup is required. The range is from 0 to 32. The default is 6. A value of 0 specifies that Tivoli Storage Manager runs only full backups.

Each incremental backup, whether run automatically by Tivoli Storage Manager or run by an administrator request, is added to the count of incremental backups run.

Each full backup, whether run automatically by Tivoli Storage Manager or run by an administrator request, resets the count for incremental backups to zero.

Note:
If you explicitly request an incremental backup, Tivoli Storage Manager performs one even if the number exceeds this setting. This occurs if the backup is done by an administrator or through an administrative schedule.

Examples

Task

Reset the database backup trigger to 60 percent and the number of incremental backups to 5.

Command:
update dbbackuptrigger logfull=60 numincremental=5

Related Commands

Table 264. Commands Related to UPDATE DBBACKUPTRIGGER

Command Description
BACKUP DB Backs up the Tivoli Storage Manager database to sequential access volumes.
DEFINE DBBACKUPTRIGGER Defines a trigger for automatic Tivoli Storage Manager database backups.
DEFINE DEVCLASS Defines a device class.
DELETE DBBACKUPTRIGGER Deletes the database backup trigger.
QUERY DBBACKUPTRIGGER Displays information about the database backup trigger.
SET LOGMODE Sets the mode for saving records in the recovery log.


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