I'm happy to report that my Oscar cluster is running the 2.4.20-20.7smp errata kernel now and passed all Oscar tests.
The steps provided by Bernard worked for me. I would like to add the following:
1. After editing lilo.conf, run lilo -v, check /boot to make sure that symbolic links are linked to the right files.
2. Check module.conf to make sure the eth0 (and eth1) has the right driver.
3. After reboot, if SSH node to server failed, check hosts.allow file. If you don't allow sshd connections from any address, add your cluster domain into the sshd allow line.
My sincere thank you to Bernard for his quick responses with ideas and hints.
Regards, Julia
Hi Julia:
I have recently updated my Oscar cluster from the RedHat 9.0 stock kernel to 2.4.20-20.9. And here's what I did:
1. Use cexec to rpm install the kernel
2. Modify /boot/grub/menu.lst accordingly (we use grub so you should edit the appropriate boot list for lilo)
3. Push the menu.lst to the nodes
4. Reboot and the new kernel should boot up.
We haven't quite figured out how to update the kernel for the image though.
Cheers,
Bernard
Julia Wang wrote:
Hi, All:
I have an existing OSCAR cluster (Oscar 2.1 on RH 7.3). I want to update the kernel to 2.4.20-20.7smp. I don't know the proper steps to update the computing nodes. Thank you in advance for your help.
Regards, Julia
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