Gentoo Archives: gentoo-user

From: Paul Hartman <paul.hartman+gentoo@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Re: Is wrong 4k sector alignment still an issue?
Date: Wed, 27 Jun 2012 03:18:26
Message-Id: CAEH5T2NyK9m6S3zhUCBdyo+1shvFgZoyPTtT_q9HSTifQyAnig@mail.gmail.com
In Reply to: [gentoo-user] Re: Is wrong 4k sector alignment still an issue? by Nikos Chantziaras
1 On Tue, Jun 26, 2012 at 6:18 PM, Nikos Chantziaras <realnc@×××××.com> wrote:
2 > On 27/06/12 02:06, Paul Hartman wrote:
3 >>
4 >> On Tue, Jun 26, 2012 at 5:33 PM, Nikos Chantziaras <realnc@×××××.com>
5 >> wrote:
6 >>>
7 >>> On 27/06/12 01:22, Neil Bothwick wrote:
8 >>>>
9 >>>>
10 >>>> On Wed, 27 Jun 2012 01:06:53 +0300, Nikos Chantziaras wrote:
11 >>>>
12 >>>>>> I'm getting a 2TB drive which uses 4kB sectors instead of 512 byte
13 >>>>>> ones. I suppose by now everything will "just work" and the various
14 >>>>>> tools will now by default create correctly aligned partitions?
15 >>>>>
16 >>>>>
17 >>>>>
18 >>>>> Thanks everyone for the comments.  I'm using cfdisk, since I find it's
19 >>>>> the easiest CLI partitioner (fdisk and parted don't offer menus but you
20 >>>>> need to type commands; I hate that).
21 >>>>
22 >>>>
23 >>>>
24 >>>> If you use a GPT partition table, you can use cgdisk and banish the
25 >>>> abominations of extended and logical partitions at the same time.
26 >>>
27 >>>
28 >>>
29 >>> I've no idea whether my mainboard can boot from it.  It *seems* it has
30 >>> UEFI,
31 >>> but I'm not really sure.
32 >>
33 >>
34 >> I think it just depends on your bootloader. Gentoo's grub legacy can
35 >> boot from GPT and of course grub2 can too.
36 >
37 >
38 > I guess I'll just try with a quick Ubuntu install.  I suspect though that
39 > the BIOS must be able to actually find Grub in order to boot it, and it
40 > might not be able to.
41
42 I seem to recall GPT coexisting with some kind of MBR as well, or at
43 least enough of an MBR to get it to boot. But partitioning and
44 installing is not something I do very often. :)
45
46 I'm using GPT (created with gdisk) on my laptop which is from 2003 and
47 it works fine, so I imagine you'll be fine with anything newer as
48 well.