On Tue, Jul 15, 2008 at 06:48:48PM -0400, Derek J. Balling wrote:
> 
> On Jul 15, 2008, at 12:06 PM, [EMAIL PROTECTED] wrote:
> 
> > On Tue, Jul 15, 2008 at 12:02 PM, Derek J. Balling  
> > <[EMAIL PROTECTED]> wrote:
> >> I wonder if those symlinks update automagically, such that the
> >> "reordering" aspect of FC/iSCSI(/USB?) never comes into play....
> >
> > Yes. That's the whole gain. I highly recommend anyone that has never
> > read about UDEV to at least give it a perusal. It can make your life a
> > heck of a lot easier..
> 
> Actually, it doesn't appear to work properly with truly removable/re- 
> orderable media

Can you give an example?

> If I mount /dev/disk/by-uuid/XXXXXX, what is ACTUALLY mounted is,  
> say, /dev/sdc1
> 
> And if /dev/sdc1 later points to a different physical device, heh,  
> well, I've got a new physical device showing up in the filesystem.
> 
> It might be "stable across reboots", but it's not stable across device- 
> renumbers.

The links in dev are created by coldplug (or some equiv) during boot,
and hotplug during run time.  The uuids are coming out of device mapper
from what I can see.

    -Sean

-- 
__________________________________________________________________

Sean Dague                                       Mid-Hudson Valley
sean at dague dot net                            Linux Users Group
http://dague.net                                 http://mhvlug.org

There is no silver bullet.  Plus, werewolves make better neighbors
than zombies, and they tend to keep the vampire population down.
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