Simple mirror / bootmanager

[Eduardo Viruena Silva]

On Tue, 6 May 2003, Guy Van Sanden wrote:

> Hello guys
>
> How can I install the bootmanager to a disk?

/stand/sysinstall

	Configure | fdisk

and press "Q" and you will be asked to write boot manager.

> The disk is ad1 (primary slave) and is only intended to be booted when
> the first disk is removed (so becoming ad0 at that point).
> It should be immediately bootable when made primary (e.g. in another
> machine)
>


> What I want to do is this.
> I have two disk of the same size (give or take a couple of kilobytes),
> but with a different geometry.
>
> Only the first disk is used (contains separate / swap /var /tmp /usr
> /home /data).
>
> What I want to do is use the second disk as a mirror by creating the
> same slice layout, tarring the contents of the original disk and
> rsyncing them to the second disk once a day.  If my first disk fails, I
> can simply put the second disk as master or even put it in another
> machine until the server is rebuilt.


> I don't want to use software mirroring (with vinum), because of the
> performance hit and complexity.
>
> I can do all of this, but I don't know how to get the bootmanager on it.
>
> The system is FreeBSD 5.0-RELEASE on A PII-333 with two 40 GB disks.
>
> Thanks for any help.
>
>
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