Using RAID and Pre-Tested HDDs to Improve Storage System

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Using RAID and Pre-Tested HDDs to Improve Your Storage System
At some point, a drive in one of your servers will fail. Without RAID as a safety net, data on a failed drive would have to be painstakingly restored from backups, eating up a great deal of your time and energy. However, if you have your drives configured into a robust RAID array, you can simply replace a failed drive and rewrite the missing data from the rest of the drives onto the replacement drive, allowing you to survive the drive failure without needing to navigate the complexity of recovering data from backups.