error : "Missing operating system"

Lowell Gilbert freebsd-questions-local at be-well.ilk.org
Fri Aug 18 13:09:22 UTC 2006


Peter <petermatulis at yahoo.ca> writes:

> On a test system I have 3 SATA drives.  On the 1st drive I installed
> FBSD 6.0, updated sources/ports, build and install world/kernel. 
> Rebooted.  All is well.
>
> I set up RAID0 on the other 2 drives using my (Tyan) mobo's controller
> (NVRAID).  This array shows up as /dev/ar0.
>
> I proceeded to set up a filesystem on ar0:
>
> # fdisk -I /dev/ar0
> # bsdlabel -w /dev/ar0s1
> # bsdlabel -e /dev/ar0s1
>
> e: * * 4.2BSD
>
> # newfs /dev/ar0s1e
> # mkdir /vol1
> # mount /dev/ar0s1e /vol1
>
> Everything worked fine.  df shows ar0s1e as 300 GB.
>
> I edit /etc/fstab:
>
> /dev/ar0s1e   /vol1   ufs   rw   2   2
>
> I reboot:
>
> # reboot
>
> "Missing operating system"
>
> Where did I go wrong and what should I do now?

You haven't touched the original boot drive as far as I can see, so
the first thing to try is to adjust the BIOS to try booting that drive
before the RAID array.  

-- 
Lowell Gilbert, embedded/networking software engineer, Boston area
		http://be-well.ilk.org/~lowell/


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