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Old 04-17-2008, 06:32 PM
"Andrew @ ATM Logic"
 
Default Edit to change startup from SMP to not so SMP

> > I have an issue on a server that stops to ask SMP or not so SMP on
>
> what OS ?
>
> either /etc/grub.conf or /etc/lilo.conf
>

Ok, it was grub, and this is what I have...... I see default=0 how should I
change that to one of the items below????

Thanks,


default=0
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title CentOS (2.6.9-42.0.2.EL)
root (hd0,0)
kernel /vmlinuz-2.6.9-42.0.2.EL ro root=/dev/main/root
initrd /initrd-2.6.9-42.0.2.EL.img
title CentOS (2.6.9-42.0.2.ELsmp)
root (hd0,0)
kernel /vmlinuz-2.6.9-42.0.2.ELsmp ro root=/dev/main/root
initrd /initrd-2.6.9-42.0.2.ELsmp.img
title CentOS (2.6.9-34.0.2.EL)
root (hd0,0)
kernel /vmlinuz-2.6.9-34.0.2.EL ro root=/dev/main/root
initrd /initrd-2.6.9-34.0.2.EL.img
title CentOS (2.6.9-34.0.2.ELsmp)
root (hd0,0)
kernel /vmlinuz-2.6.9-34.0.2.ELsmp ro root=/dev/main/root
initrd /initrd-2.6.9-34.0.2.ELsmp.img



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Old 04-17-2008, 06:41 PM
Tom Brown
 
Default Edit to change startup from SMP to not so SMP

Ok, it was grub, and this is what I have...... I see default=0 how should I
change that to one of the items below????

Thanks,


default=0
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title CentOS (2.6.9-42.0.2.EL)
root (hd0,0)
kernel /vmlinuz-2.6.9-42.0.2.EL ro root=/dev/main/root
initrd /initrd-2.6.9-42.0.2.EL.img
title CentOS (2.6.9-42.0.2.ELsmp)
root (hd0,0)
kernel /vmlinuz-2.6.9-42.0.2.ELsmp ro root=/dev/main/root
initrd /initrd-2.6.9-42.0.2.ELsmp.img
title CentOS (2.6.9-34.0.2.EL)
root (hd0,0)
kernel /vmlinuz-2.6.9-34.0.2.EL ro root=/dev/main/root
initrd /initrd-2.6.9-34.0.2.EL.img
title CentOS (2.6.9-34.0.2.ELsmp)
root (hd0,0)
kernel /vmlinuz-2.6.9-34.0.2.ELsmp ro root=/dev/main/root
initrd /initrd-2.6.9-34.0.2.ELsmp.img





the top one is zero therefore if say you want to boot the third kernel
then change default to read default=2


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Old 04-17-2008, 07:31 PM
"Andrew @ ATM Logic"
 
Default Edit to change startup from SMP to not so SMP

> -----Original Message-----
> From: centos-bounces@centos.org
> [mailto:centos-bounces@centos.org] On Behalf Of Tom Brown
> Sent: Thursday, April 17, 2008 1:41 PM
> To: CentOS mailing list
> Subject: Re: [CentOS] Edit to change startup from SMP to not so SMP
>
>
> >
> > Ok, it was grub, and this is what I have...... I see default=0 how
> > should I change that to one of the items below????
> >
> > Thanks,
> >
> >
> > default=0
> > timeout=5
> > splashimage=(hd0,0)/grub/splash.xpm.gz
> > hiddenmenu
> > title CentOS (2.6.9-42.0.2.EL)
> > root (hd0,0)
> > kernel /vmlinuz-2.6.9-42.0.2.EL ro root=/dev/main/root
> > initrd /initrd-2.6.9-42.0.2.EL.img title CentOS
> > (2.6.9-42.0.2.ELsmp)
> > root (hd0,0)
> > kernel /vmlinuz-2.6.9-42.0.2.ELsmp ro root=/dev/main/root
> > initrd /initrd-2.6.9-42.0.2.ELsmp.img title CentOS
> > (2.6.9-34.0.2.EL)
> > root (hd0,0)
> > kernel /vmlinuz-2.6.9-34.0.2.EL ro root=/dev/main/root
> > initrd /initrd-2.6.9-34.0.2.EL.img title CentOS
> > (2.6.9-34.0.2.ELsmp)
> > root (hd0,0)
> > kernel /vmlinuz-2.6.9-34.0.2.ELsmp ro root=/dev/main/root
> > initrd /initrd-2.6.9-34.0.2.ELsmp.img
> >
> >
> >
>
> the top one is zero therefore if say you want to boot the
> third kernel then change default to read default=2

Humm, ok but for some reason it does not start the top, or any one, it just
sits waiting for someone to manually hit enter on one of them.... Any
thoughts on that?>

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Old 04-17-2008, 07:48 PM
"Bob Beers"
 
Default Edit to change startup from SMP to not so SMP

On Thu, Apr 17, 2008 at 3:31 PM, Andrew @ ATM Logic <atmlogic@kmts.ca> wrote:
>

> Humm, ok but for some reason it does not start the top, or any one, it just
> sits waiting for someone to manually hit enter on one of them.... Any
> thoughts on that?>

Are you certain that this is the right grub.conf?

hiddenmenu should mean that you don't see the selections, unless
someone hits <ESC> key.

also you could try adding a fallback entry.

Hope this is helpful,
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Old 04-17-2008, 07:59 PM
"Akemi Yagi"
 
Default Edit to change startup from SMP to not so SMP

On Thu, Apr 17, 2008 at 12:48 PM, Bob Beers <bob.beers@gmail.com> wrote:
> On Thu, Apr 17, 2008 at 3:31 PM, Andrew @ ATM Logic <atmlogic@kmts.ca> wrote:
> >
> > Humm, ok but for some reason it does not start the top, or any one, it just
> > sits waiting for someone to manually hit enter on one of them.... Any
> > thoughts on that?>
>
> Are you certain that this is the right grub.conf?
>
> hiddenmenu should mean that you don't see the selections, unless
> someone hits <ESC> key.
>
> also you could try adding a fallback entry.

Another thing to consider is... if you always want to boot the smp
kernel, look into /etc/sysconfig/kernel and set up the default kernel
by:

DEFAULTKERNEL=kernel-smp

and possibly remove the standard (non-smp) kernel from the system.

Akemi
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