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Other Hardware and Peripherals Other Apple systems and peripherals discussion.

creating a new volume undestructively? (with Disk Utility)


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Horea

 
Member Since: Aug 23, 2008
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Hello everyone,

I have an external 250 GB HDD which has a 120Gb Mac OS Extended Journaled partition, the rest being free space. I'd like to create a second volume out of the free space which exists, using the Disk Utility. What I'd like to know is whether this would erase the data I already have on the existing partition (the first volume) or will leave the existing partition unaffected?
I know in Windows this wouldn't affect the existing partition, but with Disk Utility I'm a little worried, as after I choose the partition type and name for the partition to be created and I click on the "Partition" button, a warning dialogue opens saying:

"Partitioning a disk will destroy all the information on volume of the disk

The disk has 1 volume
"Name_of_my_existing_volume"

Are you sure you wish to partition the disk?"

Thank you in advance,
Cheers,
Horea
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chscag

 
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As long as you ONLY create and format the partition that's shown as free space you are in no danger of overwriting your OS X partition. Disk Utility more or less does the same thing as the Disk Administrator does in Windows XP.

However, in order to stay one step ahead of Mr. Murphy, make a verified backup of your entire hard drive before proceeding.

Regards.
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