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Ext WD MyBook 4TB Drive - not letting me use all capacity


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#1 SamSaso

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Posted 28 January 2016 - 04:15 PM

Hi There

 

I have a 4TB WD external drive

 

Formatted to FAT32.

 

I've used 1.6TB and its saying that its full? (Should be 4TB)

 

I've checked it on both Windows and OSX and both say the same.

  • Lightroom on the iMac shows me it has 1.6TB capacity.
  • Windows>My Computer> Ext Drive when attached displays the same 1.6TB

I've attached a screenshot of AOMEI Partition Assistant witch says the Drive Capacity is 3.64TB 

 

What do I need to do to use the full capacity of the drive??

Attached Files



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#2 JohnC_21

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Posted 28 January 2016 - 04:27 PM

I think you should format it NTFS.  FAT32's absolute limit is 2TB. The disk is already GPT so that takes care of the 2TB limit of MBR partitions.



#3 SamSaso

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Posted 28 January 2016 - 04:35 PM

Thanks John that explains it then.

 

If I format to NTFS can i switch the drive between my iMac and Windows PC?



#4 JohnC_21

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Posted 28 January 2016 - 04:40 PM

No, Mac's cannot read or write NTFS unless you install a driver. See here. It's a 30 15 day demo to see if it works for you.


Edited by JohnC_21, 28 January 2016 - 04:44 PM.


#5 SamSaso

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Posted 28 January 2016 - 04:49 PM

Thanks John, great info.

 

I think I must have formatted the drive to FAT32 (I've had it a while can't remember) as the drive apparently is designed for a Mac but I wanted to use it between Windows & OS X.

 

Now I'm stuck as I don't have anywhere to move the 1.6TB while I format the drive :ranting:


Edited by SamSaso, 28 January 2016 - 04:50 PM.


#6 JohnC_21

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Posted 28 January 2016 - 04:58 PM

Yeah, that is a problem. You can convert from Fat32 to NTFS via command line but your situation is a little different. You would need to convert and then expand the partition if that was even possible.

 

Aoemi Partition Assistant can also do it.

 

if the data is valuable to you, I would not do it. Things can always go wrong.



#7 SamSaso

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Posted 28 January 2016 - 05:01 PM

The files are very valuable to me - So I don't think I'm going to take the risk with AOEMI.

 

Another 4TB ordered..... guess you can never have enough storage hey?!

 

Thanks for your help.


Edited by SamSaso, 28 January 2016 - 05:01 PM.


#8 JohnC_21

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Posted 28 January 2016 - 05:15 PM

No problem. Files that are very important to you should be backed up in two locations, one preferably offsite. You may think it expensive but Amazon has unlimited cloud storage for $60 a year.



#9 SamSaso

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Posted 28 January 2016 - 05:42 PM

You speak sense my friend! I have Amazon Prime and have just discovered I have unlimited storage!!!



#10 JohnC_21

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Posted 28 January 2016 - 05:45 PM

Very Nice!



#11 Chris Cosgrove

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Posted 28 January 2016 - 07:40 PM

Just a side note to storing large chunks of data in the cloud, whether it be with Amazon, MS or any one else. You are constrained by your up and down data rates - it can take a very l-o-o-o-o-ng time to upload a couple of TB over the average domestic connection.

 

Yes, it's off-site and therefore free from local perils such as fire, flood and storm but read the T&Cs carefully. JohnC is absolutely right when he says that you should have a data set off-site, but a trustworthy friend or even a safe deposit box might be rather quicker in the event of needing to do a back up from off-site.

 

Chris Cosgrove


I am going to be away until about the 22nd October. Time on-line will be reduced and my internet access may be limited. PMs may not be replied to as quickly as normal !





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