Re: RHAS 3, dual opteron S2885 Tyan kernel crash issues

[John Haxby <jch@xxxxxxxxxx>]

Jason Russler wrote:

> >  anyone has some suggestions there, I'd be open to them. Is it a 
> > matter of just upgrading the LVM packages to version 2? Any chance of 
> > using the packages from the latest Nahant beta to get this to work? 
> > Other comments/suggestions from anyone else who's got a similar 
> > configuration?
>
>
> Never trust a major upgrade process when using a Linux LVM.  Even if 
> you have all of the *tab and config files - or even if you're just 
> upgrading the kernel to 2.6.  Got burned there once.  Just backup all 
> the data to tape or other disks and expect to rebuild the LVM setup 
> from scratch - the upgrade my work, or it may not.  That's my 2-cents.
While I wouldn't go quite so far as Jason's comments, in this case I 
agree.   It is possible to get the 2.6 kernel with LVM2 running on RHEL3 
(AS, ES, or WS), but it's a bit painful -- I speak from personal 
experience -- and you still have some things that simply no longer 
work.   Taking the kernel and LVM2 RPMs from nahant almost certainly 
won't work (was that what you were suggesting?).   On the other hand, a 
straightforward upgrade from taroon to nahant should work.   Having said 
that you'll be working with LVM1 data structures and I believe that 
there are advantages to using the LVM2 data structures.

If you back everything up to tape or a spare disk and install nahant 
beta2 from scratch then you'll be able to install nahant-proper when it 
comes out without blowing away all your logical volumes; just splat the 
system ones (an upgrade from nahant beta to final won't be supported).

jch

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