Hello Jeff,

I have a small cluster that used the 2.6 kernel. I used a standard
mdk9.2 base system and then simply use the 2.6 kernel provided by
Mandrake 10.0 (you can do that if your new system support the
necessary prerequisite for a newest kernel. Please check, in particular,
mkinitrd, lsmod, rmmod, etc.).


Method 1 : Image base management
=================================

All I did is modify the oscarsamples/ to replace the kernel listed in
this file with the one you want to install. For instance, 
remplace
kernel-smp-2.4.22.21mdk-1-1mdk
by 
kernel-enterprise-2.6.3.7mdk-1-1mdk

Generate a new image and deploy it on your nodes.

The same tactic is applicable with any distribution/version.


Method 2 : direct modification of the nodes
===========================================

I personnaly don't favor this method as it will be difficult to
reinstall identical nodes afterwards : you will have to install your
image and then apply the exact same modification.

My prefered way to do it is to use the Method1: generate a new image and
then deploy it using standard OSCAR tools.


Anyway, the other method will modify directly the nodes using the C3
tools.

"cpush" the new kernel RPM to the nodes :
cpush kernel-enterprise-2.6.3.7mdk-1-1mdk.i586.rpm

and then install it :
cexec "rpm -i  kernel-enterprise-2.6.3.7mdk-1-1mdk.i586.rpm"

Depending on your local configuration, you may have to tweak the
lilo.conf so that this kernel is the default choice. Use the same
method : generate a correct /etc/lilo.conf
cpush /etc/lilo.conf
and then execute lilo
cexec /sbin/lilo

Then you can reboot your nodes to use the new kernel.

<disclaimer>
Please try everything one one single node _before_ playing with all the
nodes. In particular, some modifications to the /etc/modules.conf can be necessary.

You have to try it on one node first for Method 1 or Method 2.

Make sure that all is working properly and then you can deploy
everything on the other nodes.
</disclaimer>
* Jeff Stevens <[EMAIL PROTECTED]> [04-05-12 07:35]:
>    Does  the current software support kernel 2.6, and if not is it in the
>    works?
>    Thanks,
>            Jeff Stevens

-- 
Benoit des Ligneris Ph. D.          
President de Revolution Linux     http://www.revolutionlinux.com/
OSCAR Chair                    http://oscar.openclustergroup.org/
Chef de projet EduLinux                  http://www.edulinux.org/


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