Patrick,

On 2006-03-07 14:22, Patrick M. Hausen wrote:
> Hello!
> 
> On Tue, Mar 07, 2006 at 01:56:57PM +0100, Volker wrote:
>> Patrick,
>>
>> On 2006-03-07 13:45, Patrick M. Hausen wrote:
>> .....
>>
>>> Are there instructions on how to do this to mirror a slice instead of
>>> an entire disk?
>>>
>>> Thanks,
>>> Patrick
>> Yes, Ralf S. Engelschall created a good guide:
>> http://people.freebsd.org/~rse/mirror/
>>
>> See 'GEOM mirror Approach 2: Single Slice, Preferred, More Flexible'
> 
> I _know_. This guide was first mentioned by me in this thread.
> But it assumes
> 
> - install
> - boot
> - create mirror on second disk
> - copy data
> - reboot
> - sync mirror
> 
> Now Joao said, creating a mirrored disk can be done from
> the "emergency holographic shell" at install time. OK, fine.
> Spares the copying.
> 
> My question was: can I create a mirrored slice instead of
> a mirrored disk without copying the data at install time from
> the emergency shell? Otherwise I will still have to use Ralf's
> instructions, which are a bit more work to follow.
> 
> Thanks,
> Patrick

As far as I understand Joao's solution, he's mentioning disc
mirroring (disc in a whole). When using slice mirroring I don't see
a simple solution and RSE's paper is the only way to go. Anybody
please correct me if I'm wrong.

Greetings,

Volker
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