any way to control disk order?

[Robert McBroom]

My poor old system died, and I resurrected it by moving the disks to an older 
system. For who knows what reason, the kernel has decided to call the external 
USB drive I use for backups /dev/sda (the old system called it /dev/sdc).  My 
internal sata disks are being called /dev/sdb and /dev/sdc.  This screws with 
things like hddtemp where you have to give it args like /dev/sda /dev/sdb.  I 
don't suppose there is any available mechanism for forcefully inducing the 
kernel to enumerate removable drives last? .................
Plug it in after booting.

[Adalbert Prokop]

Am 02.09.2011 05:31, schrieb mcforum:

Hi!

>  things like hddtemp where you have to give it args like /dev/sda
> /dev/sdb.  I 
>  don't suppose there is any available mechanism for forcefully inducing the 
>  kernel to enumerate removable drives last? ................. 
I do not know of such mechanism, but you could use symbolic links
available at /dev/disk/by-id or /dev/disk/by-uuid.

The order of my disks also changes from time to same (I suppose what
gets initialized first - wins). But with those links it does not really
matter.

-- 
best wishes
Adalbert

Your Flux Capacitor has gone bad.

[Don Quixote de la Manvha]

You can label the filesystems on each of your partitions.  Then you
mount according to the label rather than by the device special file.

Let me ask google...

   http://tldp.org/HOWTO/html_single/Partition/#labels

For years the order of SCSI disks was stable, but there was never any
particular guarantee that the order would be any particular way.  Then
a new release of the kernel appeared that reversed the order!  Since
then the best thing to do has been to label your partitions.

Don Quixote
quixote(a)dulcineatech.com
http://www.dulcineatech.com/

On Thu, Sep 8, 2011 at 1:08 PM, Adalbert Prokop <adalbert.prokop(a)gmx.de&gt; wrote:
>  Am 02.09.2011 05:31, schrieb mcforum:
>
>  Hi!
>
> > things like hddtemp where you have to give it args like /dev/sda /dev/sdb.  I
> > don't suppose there is any available mechanism for forcefully inducing the
> > kernel to enumerate removable drives last? .................
>
>  I do not know of such mechanism, but you could use symbolic links
>  available at /dev/disk/by-id or /dev/disk/by-uuid.
>
>  The order of my disks also changes from time to same (I suppose what
>  gets initialized first - wins). But with those links it does not really
>  matter.
>
>  --
>  best wishes
>  Adalbert
>
>  Your Flux Capacitor has gone bad.
>  --
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-- 
Don Quixote de la Mancha
quixote(a)dulcineatech.com

   Custom Software Development for the iPhone and Mac OS X
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