Primary vs Logical Partitions?

James Taji james.taji at
Thu Sep 6 20:22:14 UTC 2007

On 9/6/07, Scott (angrykeyboarder) <geekboy at> wrote:
> Despite all my research on this subject, I'm still unclear on some things.
> If I have my facts straight, you can only have a total of 4 primary
> partitions.
> If you've got 2 hard drives you could have one on one and 3 on the other
> (or two on each) but the end result is the total can't be more than 4.

The limit of 4 primary partitions is per disk.

> And if I have this straight, you can also have a drive with *no* primary
> partition. Said drive would have an extended partition and 4 (or 9....)
> logical partitions within that.

Not exactly, an extended partition IS a primary partition. 1 of the 4
primary partitions can be an extended partition.

> I'm having lots of difficulty with an external hard drive and I'm not
> sure where my problem lies. Right now it's got no primary partition. It
> has an extended partition and one logical partition within that. It's
> formatted as ext3
> Should that work?

That should be fine.


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