Re: reboot long uptimes?

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On Tue, 2007-02-13 at 12:06 +0100, D Ivago wrote:
> Hi,
> 
> I was just wondering if I should reboot some servers that are running
> over 180 days?
> 
> They are still stable and have no problems, also top shows no zombie
> processes or  such, but maybe it's better for the hardware (like ext3
> disk checks f.e.) to reboot  every six months...

I only reboot on kernel upgrades, that is usually more often than 6
months.  But if you don't need to reboot for that reason, I would not
reboot at all.

> 
> btw  this uptime really confirms me how stable Centos 4.x really is
> and so  I wonder how long some people's uptimes on the list are ;) 
> 
> rmc

You should consider upgrading your kernels when security updates come
out ... just to be safe.  Especially for machines touching the internet.

I usually upgrade my kernels because I like to use LVM snapshots for
backups and that has only really started working semi-well since 4.3 and
even better in 4.4 ... so most of my machines get rebooted every new
kernel, which is at least 2-3 times a year (sometimes more often).

That being said, I do have a non internet facing machine that has not
been rebooted since it was installed with CentOS-4.0 on it one March 1,
2005.  It is an internal router on my employer's infrastructure, and has
been up for almost 2 years (and was installed on the day before CentOS-4
was officially released).

Thanks,
Johnny Hughes

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