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I use the mega service for cloud storage, which gives 50GB of free space (please correct me if it is not exactly 50GB)

I also use a great backup software for imaging my system drive. I really like this because it lets me recover easily from disaster.

Currently I store the mega sync on my D drive which is mechanical.

My boot drive C has "plenty" of free space and is an SSD. I would like to create a partition on it so that it can house the mega sync. However that's all it would do so I don't want to waste any space more than necessary.

This way I can free up space on my mechanical drive, which i need to do. Use up some space I'm not using on the SSD (i try to keep my boot drive small so i can back it up easily) w/o it affecting the backup and still be able to do a system drive imaging backup.

So my question is how can I calculate exactly the partition size I need to specify when creating the partition. Probably I will use minitool partition wizard free if it allows partitioning the boot disk since I already have that installed.

I'm not sure even if when you specify a parition size when creating a new partition is that supposed to be GB or GiB ? I assume that GiB is what the drive manfuacturers say and mega 50GB allowance would be GB.. or did I get that backwards?

Mikey
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    I think you got got it right re: GB and GiB but I don't see the point in having a separated partition for that, a folder is enough. And, in any case, you'll never use exactly 50GB of your quota. At most something around but less than that. –  Jan 08 '18 at 04:17
  • there's no way to exclude folders in my backup program when imaging the system partition (or any partition)... otherwise I love the backup program (AOEMEI) it is simple to use and free. Also yes I do never use exactly the entire quote, but I get close occasionally and have to clean out some old files – Mikey Jan 08 '18 at 06:16
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    So, just create a partition slightly larger than the quota. Since it's not a system partition it doesn't need that much free space. –  Jan 08 '18 at 06:26
  • ok, i forgot i can just resize partitions easily with these tools. So if there are any problems they are easily remedied. – Mikey Jan 08 '18 at 06:45
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    Since "size" and "size on disk" differ in general and since any filesystem needs some space for metadata, and because of tricks like this, trying to exactly match "usable space" of another filesystem is futile, maybe unless you can match every aspect of the two filesystems (and I doubt you can do this between this cloud storage and, say, local NTFS). So "a partition slightly larger than the quota" is a reasonable approach. – Kamil Maciorowski Jan 08 '18 at 07:27
  • yes this is what I was thinking - but I was thinking there would be some way to calculate this but i guess not – Mikey Jan 08 '18 at 07:30
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    One option, to avoid the pain of repatitioning your disk, is to create and mount a 50GB VHD file... less messing around and a lot quicker and easier to get to the size you want as it's just deleting and recreating a file on disk: https://technet.microsoft.com/fr-fr/library/gg318052(v=ws.10).aspx – Mokubai Jan 08 '18 at 09:31
  • What version of Windows? – I say Reinstate Monica Jan 08 '18 at 13:08
  • windows 10 pro (not creators) – Mikey Jan 08 '18 at 13:26

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