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Backup Parameters

Backup-related parameters, if present, allow you to specify the number of backups to store. If absent, these parameters are taken from the global backup configuration file or the backup configuration file for a particular server.

Name

Description

Default Value

BACKUP_CHAIN_LEN

An incremental backup parameter. After this number of incremental backups, a full backup is performed.

7

BACKUP_CHAIN_DAYS

An incremental backup parameter. After this number of days a full backup is performed.

7

BACKUP_KEEP_MAX

The number of backups to store. Only full and plain full backups are accounted. If a regular backup is being performed that exceeds this number, the oldest backup is automatically deleted. This parameter is effective only if the -p option is specified with the vzbackup utility. If there is no -p option, the number of backups to store is not limited whatever the value of this parameter.

3

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