Advantages of snapshot, baseline, and incremental backups

    Type of Backup  Advantages                Disadvantages
    --------------  ------------------------  ----------------------
    Snapshot        Provides a snapshot       Does not allow
                    of the files you          subsequent incremental
                    specify.  Is faster       backups from the
                    than a baseline backup.   snapshot backup.

    Baseline        Backs up a complete set   Uses more space than
                    of files that you         incremental and
                    specify.  Provides a      snapshot backups.
                    baseline for incremental
                    backup operations.

    Incremental     Takes less space on the   Still requires baseline
                    disk or tape than base-   backups.  May require
                    line backups.  Saves all  repeated restore
                    new or changed files      operations.
                    since last backup of any
                    type.

    For each type of backup, BACKUP Manager restores files to the disk
    contiguously.  Restoring a volume eliminates disk fragmentation.
    For more information, see "Restoring a volume to eliminate disk
    fragmentation" in the "Concepts ..." help topic.

    When you formulate a backup strategy, keep in mind the specific
    requirements of your site and the advantages and disadvantages of the
    different types of backups.  For more information, see "Backup
    strategies" in the "Concepts ..." help topic; see also "Recovering
    data with multiple backup strategies" in the "Tasks ..." help topic.