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Old 06-12-2007, 02:53 PM   #1
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Registered: Jun 2007
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Question Is using sector units with fdisk really "dangerous"?

According to the readme file for fdisk, using sectors as units is dangerous. The thing is, it never says why it's dangerous. I'm planning on creating partitions that don't line up with cylinder boundaries (see my post here for more details). Is it truly dangerous? Can anyone tell me why or why not?
Old 06-13-2007, 09:30 AM   #2
Registered: Dec 2003
Distribution: debian, knoppix
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I'm not sure why it would be dangerous. As far as I know, fdisk only makes changes to the partition table--it doesn't actually format partitions. You can manually change the geometry of the device with -S -C and -H, and I suppose that you would need to know the limitations of the device to make the appropriate choices here, but from my experience, fdisk will not allow you to make changes that are incompatible with the device anyway.


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