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List Archive: gentoo-desktop
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To: gentoo-desktop@g.o
From: Lindsay Haisley <fmouse-gentoo@...>
Subject: Re: System problems - some progress
Date: Thu, 24 Mar 2011 15:38:30 -0500
On Thu, 2011-03-24 at 15:15 -0500, Paul Hartman wrote:
> On Thu, Mar 24, 2011 at 1:16 PM, Lindsay Haisley <fmouse-gentoo@...> wrote:
> > The root of this problem is that on the old kernel, there are both
> > a /dev/hda1 and a /dev/sda1.  The former is a partition on an old PATA
> > drive, while the latter is a proper component of md0, but when
> > everything becomes /dev/sdNx, there's an obvious conflict and the RAID
> > subsystem is getting confused and is obviously not seeing it's sda1.
> 
> Possible alternative is to disable raid autodetection and define the
> arrays by UUID in /etc/mdadm.conf so hopefully the device names become
> irrelevant at that point.

This is a good idea.  I can turn off RAID autodetection in the kernel
config and spec RAID1 instead, since the root fs isn't on a RAID array.

I've found a number of references to putting UUIDs in ARRAY lines
in /etc/mdadm.conf to define the UUID of an array, but none yet to using
UUID specs in DEVICE lines, all of which I've found so far in the online
literature use /dev/xxxx specs.  Before I take this step I'm going to
find a more kernel-specific list and ask if this would be appropriate.
I've tripped on RAID array errors before at the expense of days of work
to reconstitute systems and their data.  I want to make sure this is
kosher before I go there.

Thanks! 

-- 
Lindsay Haisley       | "In an open world,    |     PGP public key
FMP Computer Services |    who needs Windows  |      available at
512-259-1190          |      or Gates"        | http://pubkeys.fmp.com
http://www.fmp.com    |                       |



Replies:
Re: System problems - some progress
-- Paul Hartman
References:
System problems
-- Lindsay Haisley
Re: System problems
-- Roman Zilka
Re: System problems
-- Lindsay Haisley
Re: System problems
-- Roman Zilka
Re: System problems
-- Lindsay Haisley
Re: System problems
-- Roman Zilka
Re: System problems
-- Lindsay Haisley
Re: System problems
-- eamjr56
Re: System problems
-- Lindsay Haisley
Re: System problems
-- Dale
Re: System problems
-- Jorge Manuel B. S. Vicetto
Re: System problems - some progress
-- Lindsay Haisley
Re: System problems - some progress
-- Paul Hartman
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Updated Jun 28, 2012

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