Mailinglist Archive: opensuse (2112 mails)

["John Andersen" <jsamyth@xxxxxxxxx>]

On Thu, Aug 7, 2008 at 4:27 AM, Amedee Van Gasse <amedee@xxxxxxxxx> wrote:
> On Thu, August 7, 2008 12:55, Neil wrote:
> > On 8/7/08, Martin Mielke <m_mlk@xxxxxxxxx> wrote:
> > > Hi list,
> > >
> > > some weeks ago I bought 2 external USB 2.0 hard disks to use them as
> > > mass-storage for assorted data.
> > >
> > > I created the ext3 filesystem on both and mounted them just fine under
> > > /disk1 and /disk2.
> > >
> > > This is how it looks like now (correct way):
> > > --
> > > /dev/sdb1            480719088  96188532 360111356  22% /disk1
> > > /dev/sdc1            480719088 252211016 204088872  56% /disk2
> > > --
> > >
> > > Yesterday I had to reboot the system to apply some patches and found
> > > those external hard disks wrongly mounted when the system came back to
> > > life:
> > > --
> > > /dev/sdb1            480719088  96188532 360111356  22% /disk2  <-- this
> > > should be /disk1
> > > /dev/sdc1            480719088 252211016 204088872  56% /disk1  <-- this
> > > should be /disk2
> > > --
> > >
> > > My /etc/fstab has the following entries for them:
> > > --
> > > /dev/sdb1       /disk1  ext3    acl,user_xattr  0 0
> > > /dev/sdc1       /disk2  ext3    acl,user_xattr  0 0
> > > --
> > >
> > > I rebooted the system 2 times more just to check this behavior and it
> > > seems that /dev/sdb1 and /dev/sdc1 are "swapped" at boot time sometimes
> > > for some reason still unclear to me... and of course, I don't swap the
> > > USB cables :-P
> > >
> > >
> > > Any idea why this happens??
> > >
> > > TIA,
> > > Martin
> >
> > Dunno for sure, but it might be solved by using disk-ID's instead of
> > sd*'s.
> > On my brother's system (Ubuntu) we noticed USB disks changing sd*
> > names at boot depending on wether and where other USB devices were
> > present and the phase of the moon (:P).
> >
> > What I want to say is: if you mount USB devices automatically then you
> > should use disk-ID's instead of sd* names.
> >
> > just my 0,02€
> >
> > Neil
> In a related problem, when my external USB disk, or any random USB stick,
> is plugged in, then I cannot boot, no valid boot device found.
> Unplug all USB devices and it works like a charm.
> I alread plugged all USB disks/sticks into an USB hub so I only have to
> unplug one cable.
>
> --
> Amedee

Yours sounds like a totally different problem, probably a bios setting
relating to boot order.  Check your bios.

-- 
----------JSA---------
There are 10 kinds of people in this world, those that can read binary
and those that can't.
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