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South Central MN | The #1 reason is that if you're only storing documents directly to the drive due to space constraints on your pc, it is literally not a backup. It's your primary storage.
#2, you don't typically want your backup to have a single point of failure. Adding a 2nd portable hard drive would be advised at a minimum, plus storing it offsite if possible to avoid losing everything in a fire for example.
Single point failure would also apply to cloud solutions such as Google drive when used as your only backup method. I might be a bit paranoid, but I'm wary of dumping my data into a solution that is certainly a massive target for hackers. In addition, Google now controls access to your data. It's fine to use Google, but I'd also want another backup I have under my direct control.
#3, most portable drive users don't follow a regular schedule for performing backups. You'll likely go months without doing a real backup. Good backup solutions have software that'll automatically schedule the backups during periods of low use of the target computer.
#4, some software can also make time-stamped iterations or snapshots of your data. This helps protect against ransomware attacks, although it isn't a perfect cure.
Now, there is software available that performs #3 & 4 to a portable drive, but I'd still want a secondary drive as well. | |
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Best Data Backup
