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I have PC with Windows 7 and two drives: SSD 256 GB (system, 1 partition), HDD 3 TB (data, 3 partitions - 1 TB each).

I have also second HDD 3 TB in external HDD case which is using USB port to connect to PC. That drive also has 3 partitions, 1 TB each. I'm using it to backup data from my internal HDD (I do not use any backup tools, I just copy files / directories I want to backup).

Now I bought third HDD 3 TB and second external HDD case (all the same) and I'm going to use it also for backups, but this time I'm wondering:

Am I doing this right by dividing external HDDs into partitions? Are there any useful reasons to do so? For example: I remember that some systems has / had some troubles with big partitions / drives so maybe it's still good because of legacy reasons which may be needed in some critical situations? I also remember some rule that files on bigger partitions take more space. Or maybe I should create one big 3 TB partition because "that'll be much better"?

PS. Additional thing to consider: as I'm using external drives only from time to time (I do not have them connected to PC 24/7) they are / will always be in much better shape than the current internal HDD so at some moment in future I'm going to replace my internal drive with one of external ones. Having external HDD already partitioned will probably make that job easier.

Lex
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Personally, I do not see any advantages of creating partitions on big HDDs in 2020s. A long time ago, in a galaxy far, far away, we did it because we expected troubles with Win XP, with file-sharing utilities, with filesystems etc. Nowadays, all actual OS types use big partitions without errors, so don’t waste your time on splitting drives to pieces!

Mr. Geek
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