[CentOS] Adding RAM

[John]

On Wed, 2008-12-10 at 10:56 -0600, Matt wrote:
> > Yes follow up to previous mail. That would be correct for those two. My
> > opinions do not change however, I just saw the mail where it did not
> > work because he has V4.x and needs to use grub.conf.
> 
> In grub.conf I have this:
> 
> ---
> #boot=/dev/sda
> default=0
> timeout=5
> splashimage=(hd0,0)/grub/splash.xpm.gz
> hiddenmenu
> title CentOS (2.6.9-78.0.8.ELsmp)
>         root (hd0,0)
>         kernel /vmlinuz-2.6.9-78.0.8.ELsmp ro root=/dev/VolGroup00/LogVol00
>         initrd /initrd-2.6.9-78.0.8.ELsmp.img
> title CentOS (2.6.9-78.0.8.EL)
>         root (hd0,0)
>         kernel /vmlinuz-2.6.9-78.0.8.EL ro root=/dev/VolGroup00/LogVol00
>         initrd /initrd-2.6.9-78.0.8.EL.img
> ---
> 
> I just add elevator=deadline above default or something?

Like this:

kernel /vmlinuz-2.6.9-78.0.8.ELsmp ro root=/dev/VolGroup00/LogVol00
elevater=deadline

And this change will be for System Wide.