Re: Mac Mini external boot disk

Graham W <graham@xxxxxxxxxxxxxxxxxxxxxxxx> wrote:

> Try as I might, I can't create an external boot disk for the Mini for
> backup purposes.
>
> I have an external 20gig disk in a Firewire enclosure. I erased and
> reformatted in MacOS Extended Journaled. Did a backup with Silberkeeper,
> which actually asked if it was to be a bootable disk etc. Un-ticked the
> Ignore Permission thingy and applied the changes.
>
> When I hold down the key labelled alt on the Apple keyboard when I boot,
> up comes the purple screen with the boot disks available, but it only
> shows the Macintosh HD. Repeated the backup fresh, but with PsyncX this
> time, but still the same.
>
Not all external drives are bootable. For 10.4 (Tiger) until 10.4.2 most
couldn't clone the system due to changes, changes in 10.4.2 allow Carbon
Copy Cloner and others to clone 10.4.

You may also need to bless the system on the external HD, there is the
instructions on this on <http://www.bombich.com/> look under the
recovering from a blinking ? mark section and look at the command that
goes sudo bless -folder /System/Library...... ignore the Open Firmware
section.
--
Jon B
real email to usenet at jonbradbury dot com
.

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