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Using Tape Drives for Computer Backup

Verily, in the days of the ancestors, the magnetic tape drive was the way to back up a computer.

Nowadays, tape drives are becoming less and less popular; and the Backup Nut prophecies that in a decade or so, they'll go the way of the dinosaur, the 5.25 inch floppy disk, and newspaper sites without paywalls. (Others disagree, I should add; but that's the great thing about freedom, glory be. People can disagree.)

Whatever the case, for the time being, tape drives are still available; but they're used primarily by large, commercial operations, not by average users or small businesses.

Frankly, the Backup Nut finds it hard to come up with a reason why ordinary users should bother with tape drives. I find them to be slow, clunky, and expensive compared to other backup methods. I'd much rather spend my money on a disaster-proof external hard drive like the one pictured here. But in the interest of fairness (and the Backup Nut is nothing if not fair, glory be), here are some of the arguments for and against tape drives.

 

Advantages of Tape Drives

Tape drives do have some advantages over other types of media, including:

 

Disadvantages of Tape Drives

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Tape drives are best suited for full-system backups because they are sequential-access devices. If a system hard drive crashes, restoring the data from a tape drive usually is simple and painless. The user simply installs a new hard drive, inserts the most recent backup tape in the tape drives, boots into the boot media (usually a CD), and copies the data onto the hard drive. An hour or few later, the drive is copied and ready to be booted. Usually.

For recovery of individual documents or files, tape drives are much less suitable, both because of their sequential-access nature and because typically tape backups are done incrementally or differentially. Recovering an individual file, therefore, involves first determining which backup and/or which tape contains the desired file, and then cueing the tape to the point where that file resides.

In theory, several methods exist to help the tape drive find individual files on a tape; but even when they work perfectly (which is by no means all the time), the process is often slow and tedious, something provoking even the Backup Nut to cuss and swear.

 

Summary and Benediction

By now, it should be clear, brothers and sisters, that the Backup Nut is not fond of tape drives as a backup method for ordinary users. There are much better, cheaper, easier methods available. But I'd rather you use tape than have no backup at all; so if for some unfathomable reason you choose to go with tape, then you have the Backup Nut's reluctant blessing, glory be.

 

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As an Amazon Associate I earn from qualifying purchases. All product links on this page are monetized.

Enjoy a free trial of Backblaze Online Backup or GoodSync File Synchronization and Backup.