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#1 2005-06-13 05:09:49
- max_sipos
- Member
- From: Ithaca, NY
- Registered: 2004-10-31
- Posts: 106
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Booting into CD-on-disk
My laptop is unable to boot from a CD and I had a great deal of trouble getting Arch installed (Arch floppies do not support PCMCIA cd-roms, my pcmcia LAN card, etc.). Just in case, I made an ~800Mb partition and dd-ed the arch instalation CD there. What I would like to do now is to try to set up Grub so I would have an option to boot into the "rescue partition".
I came up with this, however, it does not work.
title Rescue Partition
root (hd0,2)
kernel /isolinux/vmlinuz root=/dev/rd/0 BOOTMEDIA=cd
initrd /isolinux/initrd.imgThe partition should be fine since I can easily mount it with:
mount /dev/hda3 /mnt/cd[/code]
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#2 2005-06-13 06:48:39
- iphitus
- Forum Fellow
- From: Melbourne, Australia
- Registered: 2004-10-09
- Posts: 4,927
Re: Booting into CD-on-disk
the kernel isnt in the right place, it needs to be on the host system where grub is being run from. afaik hte initrd does too.
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#3 2005-06-13 07:59:57
- phrakture
- Arch Overlord
- From: behind you
- Registered: 2003-10-29
- Posts: 7,879
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Re: Booting into CD-on-disk
hmmm - I had a floppy once that allowed you to boot to a CD... it was a pass-through for older systems... can't recall the name, but if I find it, I'd suggest that
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#4 2005-06-13 08:11:29
- keevn7
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- From: Lancaster, OH, US
- Registered: 2005-06-09
- Posts: 206
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Re: Booting into CD-on-disk
There should be a way to add an entry for the CDROM drive in GRUB. I am not sure how to do this though, so check around on Google or in the GRUB documentation.
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#5 2005-06-13 09:23:55
- Kern
- Member
- From: UK
- Registered: 2005-02-09
- Posts: 464
Re: Booting into CD-on-disk
Similar thing to Phrakture ... have you tried
Toms Root boot
got a good FAQ / Search and Wiki too.[/url]
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#6 2005-06-13 09:56:10
- vacant
- Member
- From: downstairs
- Registered: 2004-11-05
- Posts: 816
Re: Booting into CD-on-disk
Does the hard drive install wiki help?
I couldn't get grub to read an iso file system so I mounted the CD iso on loopback and copied the entire CD filesystem to a reiserfs formatted partition. It sounds like you missed that step? "dd"ing the iso would work with Lilo.
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#7 2005-06-13 13:16:35
- max_sipos
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- From: Ithaca, NY
- Registered: 2004-10-31
- Posts: 106
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Re: Booting into CD-on-disk
Vacant's suggestion was what I needed. Works great now. Thanks a lot!
I've tried quite a few magical floppy distributions but never got them to work with my hardware, IMHO a "rescue partition" beats them.
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#8 2005-07-19 23:21:36
- Snowman
- Developer/Forum Fellow
- From: Montreal, Canada
- Registered: 2004-08-20
- Posts: 5,212
Re: Booting into CD-on-disk
you forgot to put a space between -t and iso9660:
-t iso9660
and I don't know why you have a '#' after /dev/discs/disc0/part. It should be replaced by the number of your partition.
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#9 2005-07-20 03:55:36
- max_sipos
- Member
- From: Ithaca, NY
- Registered: 2004-10-31
- Posts: 106
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Re: Booting into CD-on-disk
Yes, that is because mount probes for what kind of FS the partition has. So, basically the -t option is sometimes optional.
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