Gmirror

[Tim Judd]

On 8/9/09, Michael Christie <vk3mrc at gmail.com> wrote:
> Hi there all,
>
> I need your help. I have a supermicro server which was running Freebsd 7.1
> with 2 SATA drives. I have had G mirror running on the server. I needed to
> do a full reinstall of freebsd but was unable to disengage the mirror at the
> time. When installing Freebsd, on to the drives i see i have AD4 AD6 and AR0
> on the disk label, i have installed the new free bsd in AD4, and the system
> would not boot.


ar0 is often a cheap onboard RAID device.  So cheap as it doesn't even
hide ad4 and ad6 which is also hooked up to the motherboard.

Installing to ad4 installed it allright.  But now the hardware raid
will screw things up a bit.

Either use gmirror with ad4 and ad6, or use hardware raid on ar0 only.




>
>
>
> I have come across this before where i have to remove AR0 to default the
> drive, i can remember reading a thread on how to use “fix it” and using the
> live cd. I have google but cannot find it
>
> Please is there any one here that can refresh my memory and tell me how to
> remove gmirror from my drives so i can do a fresh install,.
>
>
>
> Thanmks
>
> Mick
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