howmany partitions per disk possible?
listen at alexander.skwar.name
Tue Sep 12 06:12:12 UTC 2006
· Kim Goldenberg <kgoldenberg at oit.state.nj.us>:
> Actually there is a primary partition - it's called the extended partition.
> As I understand it:
> You can have up to four (4) primary partitions. One of these may be
> an "Extended" partition, and is always designated as the fourth Primary
> partition (hdX4).
No. The extended partition can also be the first, second or third.
> Subsequent logical partitions are created in the Extended Partition, up
> to a total of twelve (12) logical partitions. While this seems to total
> 16 partitions, you lose one to the extended partition, so the total is 15.
No. The limit of 15 partitions exists only for "SCSI". IDE has
a limit of 63.
> If the first (or only) primary partition is defined as an extended
> partition, it show up as the fourth partition,
No, it doesn't.
Disk /dev/hda: 40.0 GB, 40007762432 bytes
255 heads, 63 sectors/track, 4864 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/hda2 1 4864 39070048+ 5 Extended
/dev/hda5 1 2000 16064937 83 Linux
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