[olug] controlling Linux's assignments of sda, sdb, etc.

[Kevin]

I don't think that you can change it once they're detected. But you
can mount /dev/disk/by-{id,label,path,uuid}, and these shouldn't
change.

On Wed, Jul 27, 2011 at 09:08, Obi-Wan <obiwan at jedi.com> wrote:
>> This issue came up a few months back, and I don't know that any answer
>> was confidently arrived at.  Let's say Linux arbitrarily starts changing
>> your drive names, so that what was once sda is now sdb, your USB drive
>> (formerly sdc) is now sda, and the like.  Is there any way to force
>> Linux to assign sda only to one single drive, and never to any other drive?
>
> That was me that complained about that, and I'm still haunted by it.
> My problem is that, along with the drive letter switching, SNMP will
> reorder the drives, so every time I reboot, I have to change the numbers
> in my mrtg.cfg file to keep my graphs consistent.  I'd love to find a
> pretty solution.
>
>
> --
> Ben "Obi-Wan" Hollingsworth    obiwan at jedi.com    PrairieRimImages.com
>   The stuff of earth competes for the allegiance I owe only to the
>     Giver of all good things, so if I stand, let me stand on the
>       promise that You will pull me through.  -- Rich Mullins
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