Re: [gentoo-user] new installation - partitions

[Neil Bothwick]

On Thu, 4 Sep 2014 07:05:28 -0600, Joseph wrote:

> >Disk /dev/sda: 2.7 TiB, 3000592982016 bytes, 5860533168 sectors
> >Units: sectors of 1 * 512 = 512 bytes
> >Sector size (logical/physical): 512 bytes / 4096 bytes
> >I/O size (minimum/optimal): 4096 bytes / 4096 bytes
> >Disklabel type: gpt
> >Disk identifier: 04EFD165-FDDF-4C24-BA81-868B97BF9949
> >
> >Device           Start          End   Size Type
> >/dev/sda1         2048         4095     1M BIOS boot partition
> >/dev/sda2         4096      2101247     1G Linux filesystem
> >/dev/sda3      2101248     35655679    16G Linux swap
> >/dev/sda4     35655680   5860533134   2.7T Linux filesystem
> >
> >Here sda1 is the BIOS boot and sda2 is /boot.
> >
> >> The instruction from official Gentoo web-page is difference from
> >> display I'm getting on my screen when I use "fdisk"
> >> http://www.gentoo.org/doc/en/handbook/handbook-amd64.xml?part=1&chap=4
> >
> >If you are using GPT partitons, and you should, gdisk is the tool to
> >use (emerge sys-apps/gptfdisk).
> >
> >> I don't have an option of extended partition not can I make Boot
> >> partition /dev/sda2 (128MB) bootable by pressing "a" in fdisk.
> >
> >GPT is not hindered by any of that legacy "4 partitions is enough for
> >anyone so lets kludge in some more" crap, you just create partitions.
>
> Does GPT needs so much room for boot partition 1G? My current system
> boot partition is 30Mb Gentoo handbook recommend 128Mb

My BIOS boot partition is 1MB not 1GB. My /boot partition is 1GB to allow
room for a couple of System Rescue CD ISO images.
 
> So the boot partition (/dev/sda2) will be ext2. What type of will
> be /dev/sda1 ? ext2 as well.

No, it's type is "BIOS boot partition", it's a completely different type
of partition and not used by your Linux installation at all, it's purely
there for the BIOS.


-- 
Neil Bothwick

I'm as confused as a baby in a topless bar.