You want to perform hourly backups of your server's critical files every day.
You want the first backup of each day to be full and to run at midnight; and the subsequent backups of the day to be differential and to run at 01:00, 02:00, and so on.
You want to keep older backups in the archive.
In this scenario, create a backup plan with a daily schedule. When creating the backup plan, specify ServerFiles[Date] as the archive name, select the Name backup files using the archive name… check box, specify Differential as the backup type, and schedule the backups to run every hour from midnight.
Result:
The 24 backups of January 1, 2012, will be stored as ServerFiles[2012-01-01].tib, ServerFiles[2012-01-01]2.tib, and so on up to ServerFiles[2012-01-01]24.tib.
The following day, the backups will start with the full backup ServerFiles[2012-01-02].tib.