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How do I backup 2 computers on the same drive?


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5 replies to this topic

#1 Felipe2237

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Posted 09 December 2013 - 12:00 AM

I have a WD Passport I'd like to backup onto, however I have 2 computers. One is a mac, the other is Windows. Since one is NTFS and the other isn't would I have to partion the drive? 

 

Thanks.


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#2 Kilroy

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Posted 09 December 2013 - 11:42 AM

From this posting it looks like ExFAT is how you want to format the drive.



#3 jonuk76

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Posted 09 December 2013 - 12:00 PM

FAT is compatible with both operating systems, so if you simply want to copy files then this will work. But if you want to use Time Machine on the Mac then you'll need a Journalled HFS+ partition for this.  You can have more than one partition type on the same drive.


Edited by jonuk76, 09 December 2013 - 12:05 PM.

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#4 Felipe2237

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Posted 09 December 2013 - 06:27 PM

So would the best option be to simply use 2 partions, one NTFS and the other HFS+ since the Mac forces HFS+?


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#5 jonuk76

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Posted 10 December 2013 - 09:33 PM

I think so yes, particularly if you want to use Time Machine to backup the Mac because that's the only way it'll work.  I'm not 100% sure if Mac Disk Utility will shrink NTFS volumes (haven't tried) but Windows Disk Management (Vista onwards) does.  You can then create a new HFS+ partition in the free space.  I don't think the Mac requires a GUID (GPT) partition table unless you're intending to boot it from the external drive.  For data only, I don't think it matters.  Windows Vista on does support GUID partition tables anyway though.


Edited by jonuk76, 10 December 2013 - 09:35 PM.

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#6 Felipe2237

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Posted 11 December 2013 - 12:26 AM

Cool, thanks. I'll get back to you once I have time this weekend.


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