s. keeling wrote:
Incoming from Graham Smith:
Alex Malinovich wrote:
On Wed, 2005-06-01 at 15:36 +0100, Graham Smith wrote:
I am running a testing machine that is currently using lilo for it's
boot loader. I would like to switch this to grub but I am a little
confused about how to go ahead and do this.
There are some pretty easy to follow directions to be found
in /usr/share/doc/grub/README.Debian.gz
Ok I have read the instructions but I am a little confused / concerned
about the section on initrd images larger that 4MB (4194304 bytes).
Almost all the stock initrd images are larger than 4MB
(initrd.img-2.6.8-2-386 is 4317184 bytes and is the one I want to use)
but the menu.lst files on my other machines (which all use grub already)
don't have a ramdisk_size=16384 option anywhere. Where would I put this
option anyway as the documentation is a little vague - I presume it
should be after kopt eg:
kopt=ramdisk_size=16384
I don't use it but mine has a comment:
# kopt_2_6_0=ramdisk_size=8192 root=/dev/hda9 ro acpi=yes
Thanks for the help. You do actually have a non-default ramdisk size.
The default is 4MB you are using 8. The "comment" isn't really a comment
as such. It's actually a bit of magic that is used by update-grub. To be
on the safe side I stuck a ramdisk_size=16384 on my kopt.
To the world in general: I'm am still interested to know whether the
machine would have booted with out this option being added. If not then
shouldn't update-grub probe the size of initrd images and check to make
sure they are all smaller than 4MB, adding the required ramdisk_size
option if they aren't? It seems to me like this would be a very simple
extension as update-grub is doing it's magic on a currently running
system it should be easy to find the size of the various files.
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