root only sound?
Craig White
craigwhite at azapple.com
Tue Mar 28 15:04:58 UTC 2006
On Tue, 2006-03-28 at 07:57 -0700, Craig White wrote:
> just an untested thought...
>
> bb if=/dev/sda of=/tmp/sda-bootblock.bin bs=512 count=1
> bb if=/dev/sdb of=/tmp/sdb-bootblock.bin bs=512 count=1
>
> diff /tmp/sda-bootblock.bin /tmp/sdb-bootblock.bin
>
> Thinking...
>
> - substitute different values for sda/sdb as fits
> - the first 512 bytes on each drive are the boot (perhaps less,
> someone
> will surely correct me...it might just be the first 256 or 384 bytes)
> - if they are the same (i.e. grub has been installed on both), there
> will be no diff
>
> otherwise...
>
> grub-install /dev/sdb
>
> Of course, the only way that you'll ever KNOW for sure that it's going
> to work is to do a real simulation, i.e. disconnecting one drive, then
> the other drive...
----
oops - reply to wrong thread...I am really losing it.
sorry for the noise
Craig
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