Re: magic device renumbering was -- Re: Linux 2.4.2ac20

Andreas Dilger (adilger@turbolinux.com)
Wed, 14 Mar 2001 12:16:43 -0700 (MST)

Christoph writes:
> In article <Pine.SGI.4.31L.02.0103141026460.532128-100000@irix2.gl.umbc.edu> you wrote:
> > drivers change their detection schemes; and changes in the kernel can
> > change the order in which devices are assigned names.
> >
> > For example, the DAC960(?) drivers changed their order of
> > detecting controllers, and I did _not_ have fun, given that the machine in
> > question had about 40 disks to deal with, spread across two controllers.
>
> Put LABEL=<label set with e2label> in you fstab in place of the device name.
> P.S. UUID= work, too - but I prefer a human-readable label...

Works OK for ext2 only. I'm still waiting on the reiserfs folks to add a
UUID and LABEL to their superblock.

However, for raw partitions, you will need to use LVM to get rename-safe
device labels. You probably want LVM anyways, if you have 40 disks...

Cheers, Andreas

-- 
Andreas Dilger  \ "If a man ate a pound of pasta and a pound of antipasto,
                 \  would they cancel out, leaving him still hungry?"
http://www-mddsp.enel.ucalgary.ca/People/adilger/               -- Dogbert
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/