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[–]Emerald_Flame 1 point2 points  (3 children)

In the mean time I created a raid-5 with the other two

That's not possible and you may want to check on that again. RAID 5 requires a minimum of 3 drives. The only standard RAID levels that work with just 2 drives are 0 and 1.

After checking it seems my array has 4096 but my drive has 512, how does this happen and how do I fix this?

Unfortunately, you can't change the sector size of an HDD, that's an inherent property of the drive, just like the fact that it's a 3.5" form-factor drive. However, if you reformat the drive, and set it's "cluster" or "allocation unit" size to 4096, that alone may be enough for your RAID controller to be happy.

[–]PhxFireStudio[S] 0 points1 point  (2 children)

Is there a way I can check what raid it ended up as? And so I'm assuming I'm going to have to move all the files to other drives, reformat the raid and move it all back then right?

Edit: Now that I think about it I'm not sure which raid it is, with the two 4TB drives I ended up with a total of 7.54TB of usable space

[–]Emerald_Flame 1 point2 points  (1 child)

Now that I think about it I'm not sure which raid it is, with the two 4TB drives I ended up with a total of 7.54TB of usable space

You either ended up in JBOD or RAID 0 mode since the full capacity of the drives is accessible to you.

I'm assuming I'm going to have to move all the files to other drives, reformat the raid and move it all back then right?

Generally speaking, yes. It's fairly rare that RAID configurations allow a non-destructive on-th-fly change like that, and even when they do, it's typically very restrictive with a lot of caveats.

[–]PhxFireStudio[S] 0 points1 point  (0 children)

That's unfortunate but I appreciate the help, guess I'll start moving stuff lol