On Thu, 2 Sep 2010, Todd Denniston wrote: > To: CentOS mailing list <centos at centos.org> > From: Todd Denniston <Todd.Denniston at tsb.cranrdte.navy.mil> > Subject: Re: [CentOS] how long to reboot server ? > > Rudi Ahlers wrote, On 09/02/2010 04:49 PM: >> > <SNIP> >> I've had cased where a kernel didn't >> work as expected though, but we don't reboot a server every 2 months to >> see if the kernel might have failed. >> > > surprised I have not seen anyone mention the other two things which can conspire to cause reboot > trouble (with the kernel) with long uptimes > 1) automatic updates by yum-updatesd > 2) small (only 3) installonly_limit > > If you are not careful, the last known working kernel is gone when you go to reboot. :( My reboot times are regular, (still on F12 on this machine) but I always copy the kernel files into a subdir 'tmp-backups' so I can get them back if needed, even if yum deletes them. Keith > I usually am mindful of both of these settings. > > -- > Todd Denniston > Crane Division, Naval Surface Warfare Center (NSWC Crane) > Harnessing the Power of Technology for the Warfighter > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos