From: Eberhard Moenkeberg (emoenke_at_gwdg.de)
Date: Sat Dec 22 2007 - 00:59:48 CET
Date: Sat, 22 Dec 2007 00:59:48 +0100 (CET) From: Eberhard Moenkeberg <emoenke@gwdg.de> Message-ID: <Pine.LNX.4.64.0712220047330.19492@gwdu05.gwdg.de> Subject: Re: [suse-sles-e] Upgrade to SLES9 SP4 results in non-bootable systems when using SATA
Hi,
On Sat, 22 Dec 2007, Robert Scheck wrote:
> On Fri, 21 Dec 2007, Rasmus Plewe wrote:
> > On Fri, Dec 21, 2007 at 11:55:51AM -0800, Alexei_Roudnev wrote:
> > > It is a bad thing, because it is VERY
> > > EASY to maintain previous kernel in Linux(es).
> >
> > Unfortunately that is not so in every case.
>
> Hum? Then you IMHO should fix something at your distribution - sorry. If
> such a thing would happen on another Enterprise distribution (okay, they
> never delivered a broken kernel yet as Novell did today), I easily can even
> advise a non-technical customer to select the older Linux kernel from the
> boot menu and wait for a working fix. Or did you ever tell a secretary via
> phone how to change a grub entry on the boot prompt to even have a chance
> that the system maybe boots again?
The old kernel(s) have to get conserved somehow.
But you surely do not want to have your /boot partition exploded by old
kernels...
I do this always with the first kernel from a release, and again from time
to time:
cd /lib/modules/
mkdir x
cp -a <kernel-number>* x
cd /boot
mkdir x
cp -a *<kernel-number>* x
cd /usr/src
mkdir x
cp -a linux-<kernel-number>* x
and after "the next" kernel upgrade via YOU, I just move the files back to
their place.
This way I always have a boot alternative which will never get touched
again by anyone but me.
> > If we wouldn't do proper testing we wouldn't have had all this mess,
> > because we wouldn't have discovered the issue before the release. ;-)
>
> If there would be IMNSHO really proper testing, I wouldn't have to replace
> /dev/sda5 by /dev/hdc5 and /dev/sda6 by /dev/hdc6 this afternoon. And I bet
> there's a day where I've to change this the other way round in order to get
> the system booting again...
Surely, they are all by far not as proper as we and you have the most
usual environment at all.
Viele Grüße
Eberhard Mönkeberg (emoenke@gwdg.de, em@kki.org)
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