[CentOS] (re)load new kernel with rebooting host node?

2009-12-02 Thread Rudi Ahlers
Hi all, Is it possible to reload the dom0 / host node's kernel with a newer one, without rebooting the server? I know kexec can do something like this for security patches, but I don't know much about kexec, and I don't want to mess up a production server either. So, has anyone done something

Re: [CentOS] (re)load new kernel with rebooting host node?

2009-12-02 Thread JS
-Original Message- From: centos-boun...@centos.org [mailto:centos-boun...@centos.org] On Behalf Of Rudi Ahlers Sent: Wednesday, December 02, 2009 2:23 PM To: CentOS mailing list Subject: [CentOS] (re)load new kernel with rebooting host node? Hi all, Is it possible to reload

Re: [CentOS] (re)load new kernel with rebooting host node?

2009-12-02 Thread Mathew S. McCarrell
On Wed, Dec 2, 2009 at 2:22 PM, Rudi Ahlers r...@softdux.com wrote: Hi all, Is it possible to reload the dom0 / host node's kernel with a newer one, without rebooting the server? I know kexec can do something like this for security patches, but I don't know much about kexec, and I don't

Re: [CentOS] (re)load new kernel with rebooting host node?

2009-12-02 Thread Rudi Ahlers
On Wed, Dec 2, 2009 at 10:28 PM, JS jse...@gmail.com wrote: You're a lot better off go over to the Linux Kernel Devel site. AFIK kexec can only do this on real hardware. I think your better off scheduling downtime for the server. Although kexec does have a site page. John