Gentoo Archives: gentoo-user

From: Florian Philipp <lists@×××××××××××.net>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Re: Hard drives not detected in repeatable order.
Date: Wed, 05 Oct 2011 14:38:09
Message-Id: 4E8C6AF0.1070105@binarywings.net
In Reply to: Re: [gentoo-user] Re: Hard drives not detected in repeatable order. by "Michael A. Koerber"
1 Am 05.10.2011 15:29, schrieb Michael A. Koerber:
2 >> > > I have found that use of LABEL=FOO in /etc/fstab doesn't always solve
3 >> > > the problem of disks being reassigned during boot.
4 >> >
5 >> > That's because fstab isn't used during boot. What "root=" setting is
6 >> > passed to your kernel by your bootloader? Is that using /dev/sda1 or
7 >> > a label? In order to use a label, I _think_ you need some special magic
8 >> > in an initrd (at least that used to be the case according to what I've
9 >> > googled).
10 >> >
11 >> >
12 >> > That's my doubt. Last time I've read about, you needed some script to
13 >> > "load" the labels.
14 >> >
15 >> > Claudio Roberto França Pereira (a.k.a. Spidey)
16 >>
17 >> You cannot use labels with the root= parameters. That was provided as
18 >> some kind of hack a few years ago but has been removed since. You either
19 >> need to use an initramfs for labels or resort to UUIDs. See
20 >> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=b5af921ec02333e943efb59aca4f56b78fc0e100
21 > Just tried root=PARTUUID=.... failed. Checked my genblk.c and the
22 > changes don't appear in the 2.6.36 or 2.6.39 kernels on my system. When
23 > did (does) the PARTUUID syntax support get released?
24 >
25 > tnx,
26 >
27 > Mike
28
29 2.6.37: http://kernelnewbies.org/Linux_2_6_37#line-106
30 I definitely see the changes in gentoo-sources-2.6.39-r3.
31
32 Regards,
33 Florian Philipp

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