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Re: Re-assignement of hard drives

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On 2012-03-21, Hognoxious <hognoxious@hognoxiouskosher.com> wrote:
> In ij09dm$qdk$1@speranza.aioe.org on Thu, 10 Feb 2011 10:01:18 +0100,
> Ángel Gutiérrez Rodríguez scribbled:
>
>> Hi,
>>  We have some computers running scientific Linux that share an internal
>>  DVD
>> unit (we chenage it to the one needed). The problem we've found is that
>> plugging in that unit changes the way the OS "labels" the disks. This is
>> (just an hypotetical example):

   Why not just reference disks by drive label or UUID?

   There are even alternate device nodes for that in /dev/disk.

   Those are some seriously old school drive labels there.

>> 			/		/home		DVD-unit
>> Without DVD-unit	/dev/hda1	/dev/hdb1
>> With DVD-unit		/dev/hdc1	/dev/hdd1	/dev/hda
>> 
>> Is there a way I can keep that assignemnt fixed ? Anywhere I can find
>> info about it?
>
> I thought (based on last time I added a HD[1]) that the ports had a fixed 
> physical order that they're probed in, with unused ones being ignored.
>
> Try it with the DVD in but swap the motherboard ports it & the HD are 
> plugged into.  If they swap places then the solution is to always plug  
> the HD into the first one, and the DVD into the last one.
>
> [1] the good news is I made notes and a diagram.  Guess what the bad news 
> is...
>


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Re: Re-assignement of hard drives Hognoxious <hognoxious@hognoxiouskosher.com> - 2012-03-21 21:05 +0000
  Re: Re-assignement of hard drives JEDIDIAH <jedi@nomad.mishnet> - 2012-03-21 16:55 -0500
  Re: Re-assignement of hard drives "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2012-03-21 18:14 -0400

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