On Thu, 2 Sep 2010, Todd Denniston wrote:
> To: CentOS mailing list <centos@xxxxxxxxxx>
> From: Todd Denniston <Todd.Denniston@xxxxxxxxxxxxxxxxxxxxx>
> Subject: Re: 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
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