Never assume backups work without testing. Many organizations discover backup failures only during actual disaster recovery attempts. This situation is suboptimal for job security. Regular, documented testing is the only way to ensure your tape backup strategy will meet business continuity requirements.
It’s also important that tape backups meet Recovery Point Objectives (RPO) and Recovery Time Objectives (RTO). You definitely want to understand how long it takes you to restore the desired recovery point from tape so you have a firm understanding that you have allocated sufficient hardware to the task. If you identify shortcomings in your RTO or RPO, you may need to add more drives to your library or change the overall configuration to improve performance.
Therefore, enterprises should implement a comprehensive testing program. Here’s some considerations to consider for your program:
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