[nSLUG] Booting to new hard rive
D G Teed
donald.teed at gmail.com
Sun Jun 29 21:03:25 ADT 2008
On Sun, Jun 29, 2008 at 12:18 PM, Jim Haliburton <jim at on-site.ns.ca> wrote:
> Donald Teed was writing about not being able to boot from his new 320gb
> It sounds like the drive was not set as the "active" drive in fdisk. You
> can copy partitions with a variety of tools. However unless the drive is
> made active as the bootable drive with a tool such as fdisk then it is
> not regarded as bootable by the bios. I suspect, that the CD he used set
> the drive as active and thus made it seen as bootable by the BIOS.
Hmmm, that's a good guess. But since grub is installed
on the MBR, I would expect any problem related to
the toggle, to at least provoke a complaint or error from grub
after it is loaded. What I should have done before when it
failing, was to dd if=/dev/hde of=/tmp/ddout bs=512 count=1
to do a strings on that and see if GRUB appeared. I suspect
it wasn't being written at all from the Debian installer
used as rescue disk and then chrooting to my system to
I've checked both my drives and neither has the bootable
toggle set on partition 1.
Disk /dev/hde: 320.0 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/hde1 1 1095 8795556 fd Linux raid
/dev/hde2 1096 1582 3911827+ 82 Linux swap / Solaris
/dev/hde3 1583 38913 299861257+ 5 Extended
/dev/hde5 1583 4622 24418768+ fd Linux raid
/dev/hde6 4623 5717 8795556 fd Linux raid
/dev/hde7 5718 11797 48837568+ fd Linux raid
/dev/hde8 11798 38913 217809238+ fd Linux raid
Somehow it was able to boot from disk without boot toggle enabled.
The previous drives on the system are unplugged, so it can't be
getting grub booted that way.
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