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Windows 7: Backup to external HD that also has Mac backup on same drive


21 Oct 2011   #1

Win7 Pro 32
 
 
Backup to external HD that also has Mac backup on same drive

Hi,

I'm trying to backup Windows 7 to an external HD that currently is used to backup mac. Can anyone help explain what I need to do to make this happen? I'm sure I'll have to format the ext HD then backup the mac using a different file format, but am unsure just what I'll have to do or how to do it.

TIA!


My System SpecsSystem Spec
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21 Oct 2011   #2
Microsoft MVP

Windows 7 Ultimate SP1 X64 (Windows 10, 8.1, Linux Mint, Windows XP and others in VM)
 
 

I assume the external drive is formatted HSF+. If you want to keep using it for the Mac, you can partition the drive with 1 partition HSF+ and the other partition NTFS for windows. Failing that, the Mac can read from but not write to NTFS.
My System SpecsSystem Spec
24 Oct 2011   #3

Win7 Pro 32
 
 

Thank you so much for the reply! You're exactly right, the external HD is formatted HSF+ and i want to continue using it for the mac. Can you help me with just how to partition it with one partition HSF+ and the other NTFS? And would I partition it from the mac or the pc? I apologize, I really don't know the steps to do this.

Thanks again,
Steve
My System SpecsSystem Spec
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24 Oct 2011   #4
Microsoft MVP

Windows 7 Ultimate SP1 X64 (Windows 10, 8.1, Linux Mint, Windows XP and others in VM)
 
 

I probably can't help as I am not familiar with a Mac at all. On a PC, go to disk management and try to right click the drive and select shrink partition. If you are able to do that, select the space to shrink in MB (1024MB=1GB), it will create unallocated space. Right click the unallocated space and select new simple partition. Just follow the steps from there. It will create a NFTS partition.
My System SpecsSystem Spec
28 Oct 2011   #5

Windows 7 64 bit SP1
 
 

You can format the disk exFAT and both Windows 7 and the MAC can read/write to the disk. However I do not know if Time Machine can do anything but HFS as it utilizes sparse files.

Otherwise it is a little tricky in what order you format the drive. I have an external with an HFS partition and a NTFS partition. I believe I had to format the HFS on the MAC first followed by the NTFS on the Windows 7.
My System SpecsSystem Spec
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 Backup to external HD that also has Mac backup on same drive




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