From: Neil Brown <neilb@suse.de>
To: Mario 'BitKoenig' Holbe <Mario.Holbe@TU-Ilmenau.DE>
Cc: Goswin von Brederlow <goswin-v-b@web.de>,
567468@bugs.debian.org,
Piergiorgio Sartor <piergiorgio.sartor@nexgo.de>,
Daniel Reurich <daniel@centurion.net.nz>,
linux-raid <linux-raid@vger.kernel.org>
Subject: Re: Bug#567468: md homehost
Date: Thu, 25 Feb 2010 09:23:38 +1100 [thread overview]
Message-ID: <20100225092338.5e20f8df@notabene.brown> (raw)
In-Reply-To: <20100224175257.GA7470@darkside.12.kls.lan>
On Wed, 24 Feb 2010 18:52:57 +0100
"Mario 'BitKoenig' Holbe" <Mario.Holbe@TU-Ilmenau.DE> wrote:
> On Wed, Feb 24, 2010 at 02:13:53PM +0100, Goswin von Brederlow wrote:
> > grub.cfg (grub2) uses UUID for grub itself. But the kernel can be bootet
> > with root=/dev/md0. But in that case where does it get the homehost from
> > and since when does kernel raid autoconfig have a homehost?
>
> The homehost attribute does only exist with v1 superblocks. And there is
> no in-kernel auto-assembly for v1 superblocks.
> v0.9 superblocks (for which in-kernel auto-assembly is deprecated but
> still provided) have no homehost.
>
Not entirely correct. The 'homehost' is encoded in the uuid of v0.90
metadata, so it does affect them too.
in-kernel autodetect does not make use of 'homehost' and so does not protect
you from the potential confusions that homehost tries to protect you from.
NeilBrown
next prev parent reply other threads:[~2010-02-24 22:23 UTC|newest]
Thread overview: 92+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-14 1:51 Linux mdadm superblock question Volker Armin Hemmann
2010-02-14 4:02 ` Michael Evans
2010-02-14 7:21 ` david
2010-02-14 8:38 ` Michael Evans
2010-02-14 18:40 ` Volker Armin Hemmann
2010-02-14 18:53 ` John Robinson
2010-02-14 21:16 ` Gabor Gombas
[not found] ` <201002142013.24922.volkerarmin@googlemail.com>
2010-02-16 14:28 ` John Robinson
2010-02-16 14:37 ` Volker Armin Hemmann
2010-02-16 14:46 ` Robin Hill
2010-02-16 17:23 ` John Robinson
2010-02-16 19:38 ` Luca Berra
2010-02-16 17:18 ` Bill Davidsen
2010-02-16 21:06 ` Volker Armin Hemmann
2010-02-16 22:00 ` Nick Bowler
2010-02-16 22:18 ` Volker Armin Hemmann
2010-02-17 14:25 ` Nick Bowler
2010-02-18 9:27 ` Ian Dall
2010-02-17 1:03 ` Mr. James W. Laferriere
2010-02-17 2:01 ` Neil Brown
2010-02-17 2:38 ` Volker Armin Hemmann
2010-02-17 23:15 ` Neil Brown
2010-02-17 6:34 ` Kyle Moffett
2010-02-17 9:38 ` Rudy Zijlstra
2010-02-17 13:26 ` Frans Pop
2010-02-17 20:54 ` Gabor Gombas
2010-02-17 21:29 ` Frans Pop
2010-02-18 3:40 ` Goswin von Brederlow
2010-02-17 16:22 ` Kyle Moffett
2010-02-17 17:41 ` david
2010-02-17 18:10 ` Nick Bowler
2010-02-17 18:27 ` Volker Armin Hemmann
2010-02-17 18:37 ` Nick Bowler
2010-02-17 18:41 ` david
2010-02-17 18:51 ` Nick Bowler
2010-02-17 21:17 ` david
2010-02-17 21:37 ` Nick Bowler
2010-02-17 22:21 ` david
2010-02-17 22:29 ` boot times, not mdadm (was: Linux mdadm superblock question.) martin f krafft
2010-02-17 23:24 ` (boot time consequences of) Linux mdadm superblock question Neil Brown
2010-02-17 23:50 ` martin f krafft
2010-02-18 2:58 ` Henrique de Moraes Holschuh
2010-02-18 3:26 ` martin f krafft
2010-02-18 4:03 ` Daniel Reurich
2010-02-18 4:40 ` martin f krafft
2010-02-18 5:10 ` Neil Brown
2010-02-18 5:21 ` martin f krafft
2010-02-18 5:34 ` Neil Brown
2010-02-19 0:42 ` martin f krafft
2010-02-19 2:51 ` Daniel Reurich
[not found] ` <20100221171445.GB17267@lapse.rw.madduck.net>
2010-02-22 7:06 ` Goswin von Brederlow
2010-02-22 7:37 ` Bug#567468: " Michael Evans
2010-02-22 9:14 ` martin f krafft
2010-02-22 9:11 ` martin f krafft
2010-02-22 10:42 ` Daniel Reurich
2010-02-19 9:16 ` Piergiorgio Sartor
[not found] ` <20100221174007.GB19058@lapse.rw.madduck.net>
[not found] ` <20100221201304.GB2570@lazy.lzy>
2010-02-22 9:16 ` Bug#567468: md homehost (was: Bug#567468: (boot time consequences of) Linux mdadm superblock) question martin f krafft
2010-02-22 11:11 ` Daniel Reurich
2010-02-23 7:29 ` md homehost Goswin von Brederlow
2010-02-23 8:10 ` martin f krafft
2010-02-23 2:30 ` md homehost (was: Bug#567468: (boot time consequences of) Linux mdadm superblock) question Neil Brown
2010-02-23 6:27 ` martin f krafft
2010-02-23 7:31 ` md homehost Goswin von Brederlow
2010-02-23 8:16 ` Bug#567468: " martin f krafft
2010-02-24 13:13 ` Goswin von Brederlow
2010-02-24 17:52 ` Mario 'BitKoenig' Holbe
2010-02-24 22:23 ` Neil Brown [this message]
2010-02-23 8:18 ` Piergiorgio Sartor
2010-02-24 0:10 ` md homehost (was: Bug#567468: (boot time consequences of) Linux mdadm superblock) question Neil Brown
2010-02-24 4:12 ` Michael Evans
2010-02-24 13:41 ` md homehost Goswin von Brederlow
2010-02-24 22:30 ` Neil Brown
2010-02-25 7:16 ` Goswin von Brederlow
2010-02-25 7:46 ` Neil Brown
2010-02-25 8:33 ` Michael Evans
2010-02-25 11:55 ` Mario 'BitKoenig' Holbe
2010-02-18 5:17 ` (boot time consequences of) Linux mdadm superblock question Daniel Reurich
2010-02-18 5:22 ` martin f krafft
2010-02-17 18:46 ` Volker Armin Hemmann
2010-02-17 22:26 ` H. Peter Anvin
2010-02-18 3:33 ` Goswin von Brederlow
2010-02-18 7:51 ` Luca Berra
2010-02-18 14:12 ` Nick Bowler
2010-02-19 9:04 ` Michael Evans
2010-02-14 19:34 ` Henrique de Moraes Holschuh
2010-02-14 20:07 ` Michael Evans
2010-02-14 21:14 ` Henrique de Moraes Holschuh
2010-02-14 20:47 ` Asdo
2010-02-14 21:26 ` Henrique de Moraes Holschuh
2010-02-14 21:28 ` Gabor Gombas
2010-02-15 9:08 ` martin f krafft
2010-02-15 7:51 ` Luca Berra
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20100225092338.5e20f8df@notabene.brown \
--to=neilb@suse.de \
--cc=567468@bugs.debian.org \
--cc=Mario.Holbe@TU-Ilmenau.DE \
--cc=daniel@centurion.net.nz \
--cc=goswin-v-b@web.de \
--cc=linux-raid@vger.kernel.org \
--cc=piergiorgio.sartor@nexgo.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).