From: Asdo <asdo@shiftmail.org>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Justin Piszcz <jpiszcz@lucidpixels.com>,
Michael Evans <mjevans1983@gmail.com>,
linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: Linux mdadm superblock question.
Date: Sun, 14 Feb 2010 21:25:45 +0100 [thread overview]
Message-ID: <4B785C49.7010105@shiftmail.org> (raw)
In-Reply-To: <4B7719C1.1060400@zytor.com>
H. Peter Anvin wrote:
> On 02/13/2010 12:07 PM, Justin Piszcz wrote:
>
> 0.90 has a very bad problem, which is that it is hard to distinguish
> between a RAID partition at the end of volume and a full RAID device.
> This is because 0.90 doesn't actually tell you the start of the device.
>
> Then, of course, there are a lot of limitations on size, number of
> devices, and so on in 0.90.
>
> -hpa
>
I don't understand...
In a system we have, the root filesystem on a raid-6 which is on second
(and last) partitions of many disks.
It always assembled correctly, it never tried to assemble the whole device.
(on the first partition there is a raid1 with boot)
So what's the problem exactly with not marking the beginning?
next prev parent reply other threads:[~2010-02-14 20:25 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-11 23:00 Linux mdadm superblock question Justin Piszcz
2010-02-12 1:52 ` Michael Evans
2010-02-12 9:06 ` Robin Hill
2010-02-12 21:53 ` Mr. James W. Laferriere
2010-02-16 0:57 ` Neil Brown
2010-02-16 16:42 ` Bill Davidsen
2010-02-13 19:58 ` H. Peter Anvin
2010-02-13 20:07 ` Justin Piszcz
2010-02-13 20:49 ` david
2010-02-13 21:07 ` Michael Evans
2010-02-13 21:29 ` H. Peter Anvin
2010-02-14 20:25 ` Asdo [this message]
2010-02-14 21:18 ` H. Peter Anvin
2010-02-14 21:34 ` Henrique de Moraes Holschuh
2010-02-14 23:20 ` Rudy Zijlstra
2010-02-15 3:40 ` Mr. James W. Laferriere
2010-02-15 7:12 ` Luca Berra
2010-02-16 0:38 ` Neil Brown
2010-02-16 0:27 ` Neil Brown
2010-02-16 1:24 ` H. Peter Anvin
2010-02-16 3:18 ` david
2010-02-16 4:42 ` John Robinson
2010-02-16 7:02 ` H. Peter Anvin
2010-02-16 8:46 ` Rudy Zijlstra
2010-02-16 17:05 ` Bill Davidsen
2010-02-16 23:30 ` H. Peter Anvin
2010-02-16 10:12 ` Giovanni Tessore
2010-02-17 23:10 ` Neil Brown
2010-02-16 3:40 ` CaT
2010-02-13 6:42 ` martin f krafft
2010-02-13 8:37 ` Giovanni Tessore
2010-02-13 9:26 ` Michael Evans
2010-02-13 9:35 ` Giovanni Tessore
2010-02-13 9:40 ` Michael Evans
2010-02-13 10:06 ` Giovanni Tessore
2010-02-16 0:50 ` Neil Brown
2010-02-16 13:14 ` Justin Piszcz
2010-02-16 20:09 ` mdadm FAQ (was: Linux mdadm superblock question.) martin f krafft
2010-02-17 23:11 ` Linux mdadm superblock question Neil Brown
2010-02-16 17:24 ` Bill Davidsen
-- strict thread matches above, loose matches on Subject: below --
2010-02-14 1:51 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 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
[not found] <edBWa-K7-9@gated-at.bofh.it>
[not found] ` <edDXX-3XC-7@gated-at.bofh.it>
[not found] ` <edRHA-7bL-13@gated-at.bofh.it>
[not found] ` <eezfA-4N7-11@gated-at.bofh.it>
2010-02-16 21:10 ` Bodo Eggert
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