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From: tractng on 23 Aug 2007 17:33
Guys,

I just noticed when I press "Enter" during the boot up process, I get
to choose my OS.

In the menu i have two kernels.

Red Hat Enterprise Linux ES (2.6.9-5.ELsmp)
Red Hat Enterprise Linux ES (2.6.9-5.EL)


I know I removed the previous OS by wiping off the raid or because my
server hs dual cpus?

Anyways, it doen'st matter what I choose, it will still go to the same
os. I created a text file and it always sit at the same location.

This is ES4.

Is this normal?

tony

From: Jan Gerrit Kootstra on 23 Aug 2007 18:56
tractng(a)gmail.com wrote:
> Guys,
>
> I just noticed when I press "Enter" during the boot up process, I get
> to choose my OS.
>
> In the menu i have two kernels.
>
> Red Hat Enterprise Linux ES (2.6.9-5.ELsmp)
> Red Hat Enterprise Linux ES (2.6.9-5.EL)
>
>
> I know I removed the previous OS by wiping off the raid or because my
> server hs dual cpus?
>
> Anyways, it doen'st matter what I choose, it will still go to the same
> os. I created a text file and it always sit at the same location.
>
> This is ES4.
>
> Is this normal?
>
> tony
>
Tony,


This normal.

The title ending in ELsmp) is the Symmetrical MultiProcessor kernel.
The title ending in EL) is the default kernel.

The default kernel is mostly used for debugging if you changed kernel
parameters for the smp kernel and a reboot failed.

Your data is on filesystems or raw disk and are not affected by the
kernel "type", only by kernel versions.

Performance can by influenced by the choice of a kernel "type".


Kind regards,


Jan Gerrit Kootstra
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