Online storage services are a great way to maintain an offsite copy of your data. Online support: An offsite copy of your data is a hedge against physical disasters such as flood, fire, and power surges. If you’re worried about optical media’s reliability, M-Disc claims its discs are reliable for a thousand years, claims that are backed up by Department of Defense testing. Optical support: Every backup program supports hard drives, but as obsolescent as they may seem, DVDs and Blu-Ray discs are great archive media. The better software will retain and cull older backups according to criteria you establish. Any backup program you use should allow you to retain several previous backups, or with file backup, previous versions of the file. Versioning: If you’re overwriting previous files, that’s not backup, it’s one-way syncing or mirroring. Any backup program worth its salt allows you to schedule backups. Scheduling: If you’re going to back up effectively, you need to do it on a regular basis.
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