geom - help ...

[Norberto Meijome]

On Wed, 20 Sep 2006 22:37:19 -0300 (ADT)
"Marc G. Fournier" <freebsd at hub.org> wrote:

> 
> 'k, I'm used to vinum from back in 4.x days, but now running 6.x, am 
> looking at using geom ... and am not sure exactly what I can do ...
> 
> Pointers to tutorials always appreciated ...
> 
> Basically, I have 5x72G drives ... I'd *love* to do RAID5 with them, but 
> that doesn't appear to be available right now, so, figure I'll go with a 
> RAID0+1 with hotspare configuration, if possible ... ?
> 
> Now, trying to parse the geom man page(s), I'm not sure if the hotspare 
> option is even ... an option ... if it is, please point me to where I 
> should be looking for this ...
> 
> So, again, if I'm reading through things correctly, I'll have to do 
> something like:
> 
> gstripe st1 da1 da2
> gstripe st2 da3 da4
> gmirror drive st1 st2
> newfs drive
> 
> is this correct, or am I *totally* missing something here?
> 

Can you boot off a stripped set ? You can from a mirror (but make sure you have
geom_mirror available at boot time... i've got it built into the kenrel..and
loader.conf just in case I somehow manage to boot generic .... )

Other than that, it looks ok to me.

you may want to read 
http://lists.freebsd.org/pipermail/freebsd-stable/2006-January/021638.html

best,
_________________________
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