If I have alot of external hdd's that total about 50 Terabyte, and I wish to back all the data up somewhere so I can retrieve it if/when one of the hdd's fail, what would be a safe and reasonably affordable way to do this?
At the moment, I am using Western Digital passport type external usb 3.0 drives. I am using many of them on a regular basis. So far none of them have failed me, and some of them are more than 5 years old. I do realize eventually, they will fail. First thought would be to buy additional external hdd's and just copy all the files to these, store them in a safe place and get them out when another drive fails. However, I recently read an article that said when using hdd's as backup media, you need to get them out every so often and rewrite all the data to them, in order to extend their life span. I don't like that at all. I rather would like to have something I can just write the files to, then lock them up somewhere and forget about them, until I need something off of them.
The article suggested backup solutions such as Bluray's and the Cloud. I know there are 100 Tb Blurays, but even if using those, it would take an awful lot of discs to backup all my data, and the Cloud is out of question, it would take lightyears to upload all those terabytes, and retrieving it would also be slow.
Aren't there any better solutions that aren't too pricey? Are external harddrives really so sensitive they must be used periodically or they will fail even if they are just sitting locked up in a cabinet for 20-25 years?
Edited by krs000a, 19 November 2016 - 09:30 AM.