On Wednesday February 6, [EMAIL PROTECTED] wrote:
> >
> >   
> >> 4. Would it be possible to later '--grow' the array to use 4 discs in
> >>    raid10 ? Even with far=2 ?
> >>
> >>     
> >
> > No.
> >
> > Well.... if by "later" you mean "in five years", then maybe.  But the
> > code doesn't currently exist.
> >   
> 
> That's a reason to avoid raid10 for certain applications, then, and go 
> with a more manual 1+0 or similar.

Not really.  You cannot reshape a raid0 either.

> 
> Can you create a raid10 with one drive "missing" and add it later? I 
> know, I should try it when I get a machine free... but I'm being lazy today.

Yes, but then the array would be degraded and a single failure could
destroy your data.

NeilBrown
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