Media Type for the Destination (or Alternate Destination)
Select whether you'd like the catalog to be backed up to removable media (such as tape) or to disk.
The safest way to protect your data is to save all backups (including the catalog backup) to removable media, then move a full set of that media to offsite storage on a regular basis.
A backup written only to disk will share the risk with the computers being backed up. A natural disaster (lightning, flood, fire) is more likely to destroy both your primary data and the backups if the backups are only on disk.
If the disks holding your catalogs and your catalog backup are both destroyed, it will be much more difficult to recover your business data. Assuming the backups of your business data are on tape, recovering without the catalog backup means manually importing all of your backup tapes to rebuild the catalogs. This process takes time that you may not want to spend when you need to resume your business activities.
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