Patrick Welche writes:
> On Mon, Oct 04, 2004 at 02:00:12PM -0600, Greg Oster wrote:
> ...
> >  raidctl -A yes raid0
> ...
> >  raidctl -a /dev/wd1a raid0
> ...
> >  raidctl -F component0 raid0
> ...
> > to rebuild onto wd1a.  You can either keep running like this, or, if 
> > you'd like, reboot.  After reboot, wd1a will 'magically' appear in 
> > its correct spot in the set.  (Again: you must do the 'raidctl -A' 
> > above for all of this to work properly..)
> 
> backup still running :-) Is it safe at any point above to go into
> multi-user mode and let wd2 change under wd1's rebuilding feet?

Yes.  IO while a reconstruct is taking place is just fine.  (Copyback 
is another matter, but it will hopefully go away soon :) )

Later...

Greg Oster