force system boot up from disk2

[Mark Bradbury]

On Fri, 2004-06-18 at 02:46, bbaa aaa wrote:
> We have DELL server with 4 sSCSI disks in it.  The disk 1 is O.S. and Disk2 
> is "DD" from disk1 and bootable.  Every time is disk 1 bad I need move disk 
> 2 to disk1 to boot it up.  Does there has way I can put bootable diskette 
> and force system boot from disk2?
> 
> Thanks.

One way of doing it is

cp /boot/vmlinuz-[version] /tmp
/usr/sbin/rdev /tmp/vmlinuz-[version] /dev/sda2 (or what ever the disk
is)
dd if-/tmp/vmlinuz-[version] of=/dev/fd0
rm /tmp/vmlinuz-[version]

then boot from floppy

Hope that helps