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Can I reformat only one partition of multipartitioned external hard drive?

I partitioned my external hard drive into four volumes, and thought I had formatted two partitions as extended journaled. However, later I discovered I had only formated ONE partition that way. Unfortunately I realized that AFTER I had cloned my main computer's hard drive to the partition that is indeed extended journaled. I want to clone my laptop also, to that other partition, and have it be bootable.

The size of the partition is fine, nothing is on that volume. Just the format problem.

Can I change that format without going back to step one and having to erase everything on the external hard drive? I can't believe I did this! (And the clone I made works so well ... used SuperDuper.)

G5 iMac Mac OS X (10.4.2) Powerbook 10.4.6

Posted on Mar 12, 2007 12:53 AM

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Posted on Mar 12, 2007 1:32 AM

Hi Marka4,

yes, you can reformat every single partition separately. Open disk utility and select the partition you want to reformat. Then click the tab "Erase" and chose the settings you want.

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Can I reformat only one partition of multipartitioned external hard drive?

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