Utility disk and MS DOS

One of my friends asked me to try to format a 8 TB new drive he bought. He needs to FAT32 for his playstation and I think it is either running leopard or snow leopard. I've got El capitan.

What he did:

Initially the ability to format with MS-DOS was dimmed, he partitioned the drive into partitions of 7.9 TB and 0.1 and the ability to format to MS DOS became available, he went ahead and disk utility reported that have successfully completed. I suspect that he does not check readers reported sizes in the finder at this stage, but when he turned on his PC that reported the largest partition 1.68 TB.

It has reconnected to the Mac and re-partioned into partitions of 2 x 4TB with much the same result.

What I did:

When I plugged the drive, Get info reported volumes 2 x 1.8 TB but made each utility disk volume count volumes of 2 x 4TB with 2.2 TB of space in use. I then wiped the drive and created a 8TB Mac OS volume that has been reported correctly in the finder and in disk utility. The ability to format in the MS-DOS was available on my Mac even if it was divided into a single volume of 8 TB, I am gone ahead and utility disk has reported formatting was successful but get info reported a single figure of 1.8 to.

I tried since a 7.8/divided 0.2 TB and ended with only a volume of 1.2 to get info and 6.6 TB of space used of the CT 7.8 according to disk utility.

The thing is every book that I try again with MS DOS I seem to get a smaller usable volume.

I'm not familiar with the help of MS-DOS formatted, but we had problems when it restructured a 2 GB usb key that we sometimes in the past, although I suspect that he reformatted his PC. So I don't know if there is a problem with a 8 TB disk, disk utility or even its PC.

FWIW, Microsoft has imposed a limit of 32 GB for FAT/FAT32 partitions, but it is possible to create partitions of 2 TB. I suspect that's what you see.

You should be able to create 4 partitions of 2 TB ExFAT.

Tags: Mac OS & System Software

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