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Disk Utility won't delete partition!

Dear all,

On my mac i have a external HD with 3 partitions, when i come to delete one of the partitions, it never works. I click apply and it just stays on "Preparing to remove volume" and never goes any futher? Does any one know why? And how i can fix this?

Regards

Lyon
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LyonJay
Asked:
LyonJay
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1 Solution
 
TCB1Commented:
Is this a USB drive or firewire? If it's one that can be USB or Firewire, try hooking it up via firewire and see if it makes a difference.

or

Maybe there is file or partition corruption issues going on. Try doing a disk check with disk utility, then
deleting the partition.

or

If you have data that you don't want to loose on any of the partitions, make a copy of that data and write zeros to the drive with disk utility, then re-partition it the way you want it and copy the data back.
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LyonJayAuthor Commented:
TCB1

Firstly its a USB drive there's no possibility of Firewire

Secondly I have ran checks on the drive and its all fine, also rebuilt the drive using drive warrior

Thirdly i would like to do that but i can as i don't have enough space on the mac for all the data so i can wipe the drive

Thanks

Lyon
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DJDecayCommented:
You have to unmount all the "virtual volumes/drives"  you have on the whole physical disk first before trying to delete a partition on that drive.

Now I hope you know by partition you mean a disk slice, you you actually repartition the disk, or remove it's partition table you loose all 3 of them.

Your best choice is to erase or reformat, that particular "volume" or "virtual disk" not delete the partition table on that drive.

Unless of course this is what you wanted to do in the first place.




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DJDecayCommented:
If you're trying to change the volume type say from "OS X Journaled" to "UNIX" - simply erase/re-format that volume.


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LyonJayAuthor Commented:
No i'm trying to delete the partition so i can merge the free space with the other partition?

Regards

Lyon
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TCB1Commented:
Do you have a pc? If you do you could use MacDrive 7 to copy your data off, then write zeros, reformat, using disk utility, then connect to the pc and put your data back on.

http://www.mediafour.com/products/macdrive/
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