[CentOS] using Red Hat site for documentation
Keith Keller
kkeller at wombat.san-francisco.ca.us
Thu Jul 31 02:11:49 UTC 2014
On 2014-07-30, Jonathan Billings <billings at negate.org> wrote:
>
> Eventually, you'll be able to use kpatch to avoid reboots for kernel
> updates, (http://rhelblog.redhat.com/2014/02/26/kpatch/),
This looks very exciting!
> however I
> tend to think that Uptime is overrated.
uptime as a number of days is overrated, but scheduling down time is
certainly not.
> Newer technologies, such as
> VMs and containers, allow services to not be tied to single servers
> anymore.
The container host still needs to be patched and rebooted. For simple
services with light storage needs this is fine, but a container with
large local storage might not be easy to hot migrate. You're certainly
not going to migrate a 30TB storage container, for example.
> Anyway, it's hardly Red Hat's fault that it addresses
> security issues promptly.
No, but the kernel itself has had a number of serious flaws this
calendar year, which is what the previous poster was concerned about.
--keith
--
kkeller at wombat.san-francisco.ca.us
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