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Johnyp
Guru
Joined: 23 Mar 2005
Posts: 301
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 Posted: Thu Oct 06, 2005 11:14 pm Post subject: Remote Kernel upgrade and Grub trouble. Anyone???? |
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Hey all
I'm trying to upgrade my kernel remotely. I was reading gentoo's guide on remote upgrade, but i got confused with the grub setup. I can't figure out if i do need to change my root (hd0,0) to root (hd1,0) and root (hd2,0). Or if i should leave it as it is. My kernels and system.map's (new and old) are located in /boot (which is /dev/hde1 )
Can you help me figure this out?
here is how my grub.conf looks:
| Code: | default 0
timeout 10
splashimage=(hd0,0)/grub/splash.xpm.gz
title=Gentoo 2.6.9-r1
root (hd0,0)
kernel /kernel-2.6.9-gentoo-r1 root=/dev/hde3
video=vesafb-tng:mtrr,ywrap,800x600-32@60
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and here is what the guide tells me to do:
| Code: | default saved # This is important!
timeout 10
fallback 1 # This is important!
title A
root (hd1,0)
kernel /kernel-2.6.7
savedefault fallback # This is important!
title B
root (hd2,0)
kernel /kernel-2.6.5
savedefault
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Would this be correct for my configuration?
| Code: | default saved
timeout 10
splashimage=(hd0,0)/grub/splash.xpm.gz
video=vesafb-tng:mtrr,ywrap,800x600-32@60
fallback 1
title=2.6.12-gentoo-r10
root (hd0,0)
kernel /kernel-2.6.12-gentoo-r10 root=/dev/hde3
savedefault fallback
title=2.6.9-gentoo-r1
root (hd0,0)
kernel /kernel-2.6.9-gentoo-r1 root=/dev/hde3
savedefault |
Just noticed that after i have just compiled my new kernel today in preparation for a remote install, 2.6.13-gentoo-r3 made it into portage. Grrrrr
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Last edited by Johnyp on Fri Oct 07, 2005 2:25 am; edited 1 time in total |
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Johnyp
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Joined: 23 Mar 2005
Posts: 301
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CodAv
Apprentice
Joined: 09 May 2004
Posts: 170
Location: Essen, Germany
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| Posted: Fri Oct 07, 2005 10:58 am Post subject: |
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Normally, you don't need to change your GRUB config if you upgrade your kernel. Normally, you point your kernel to /vmlinuz, and a "make install" of the kernel will take care of everything. If you have a rescue console available by your provider, you don't need the fallback option, since you can recompile your kernel in a chroot environment if necessary.
the root(hd0,0) defines the boot partition, and this will not change on a kernel update.
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