In today’s world, data loss and security breaches are becoming more common. It is not a question of when, but of whether a disaster of any kind will occur. In order for a business to survive, all of its information must be protected and easily accessible at all times. Given this, the significance of backups cannot be overstated.
Understanding backup and disaster recovery fundamentals are critical for minimizing the impact of unplanned downtime on your business. Backup and disaster recovery are not interchangeable terms. Depending on its resources and needs, a company may rely solely on data backup or supplement it with a comprehensive disaster recovery strategy. Data backup and disaster recovery cannot be compared because DR includes processes such as replication, failover, failback, and so on. Backups are used for operational recovery in this context.
In this disaster recovery and backup comparison, we look at the differences between backups and replicas in terms of usage scenarios, implementation resources, and recovery goals.
- Use cases: Backups are used to recover a corrupted or lost file or object, such as an email message from an email server, a PowerPoint presentation, or other application objects. Backups are also frequently used for long-term data archiving or retention. Backups, in general, come in handy quite frequently during day-to-day workflows for quickly restoring a single file or a full VM from a specific point in time.
- Resources for implementation: They may require little to no additional costs depending on the media and can be restored even years after the initial backup. In short, backup costs are primarily associated with storage media and maintenance. Disaster recovery, on the other hand, necessitates the use of a separate site and redundant hardware in a disaster recovery environment.
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