What Are Backup and Recovery?

 

Backup and recovery describe creating and storing copies of data to protect organizations against data loss. It is sometimes referred to as functional recovery. Recovery from a backup typically includes restoring the data to the original location or to an alternate distance to use it in place of the lost or damaged information.


 


A proper backup copy is collected in a separate system or medium, such as tape, from the primary data to preserve against the possibility of data loss due to direct hardware or software failure.

 

Why Backup and Recovery is important

The backup aims to create a copy of data that can recover in the event of a primary data failure. Prior data failures can result from hardware or software failure, a human-caused event, data corruption, such as a malicious attack (virus or malware), or accidental deletion of information. Backup copies enable data to be restored from an earlier point to support the business recovery from an unplanned event.

 

Storing the copy of the data on a different medium is critical to protect against direct data loss or corruption. This other medium can be as simple as an external drive or USB stick or something more substantial, such as a disk storage system, cloud storage container, or tape drive. The alternate medium can be in the exact location as the original data or at a remote location. The possibility of weather-related issues may justify having copies of data in isolated areas.

 

For best outcomes, backup copies are performed on a consistent, regular basis to minimize the volume of data spent between backups. The more time passes within backup copies, the broader potential for data loss when recovering from a backup. Retaining multiple data examples provides the insurance and adaptability to restore to a point in time not affected by information corruption or malicious attacks.

 

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