Re: RAID-6 problem

[Piergiorgio Sartor <piergiorgio.sartor@nexgo.de>]

On Sun, Oct 14, 2012 at 06:31:02AM +1100, NeilBrown wrote:
> On Sat, 13 Oct 2012 11:45:10 -0700 Keith Keller
> <kkeller@wombat.san-francisco.ca.us> wrote:
> 
> > On 2012-10-13, Mikael Abrahamsson <swmike@swm.pp.se> wrote:
> > >
> > > Re-creating a raid5/6 with --assume-clean is for me a disaster recovery, 
> > > something that should be performed when everything else fails. It's 
> > > extremely unfortunate that a lot of guides bring this in very early in the 
> > > fault finding process.
> > 
> > Actually the RAID wiki suggests exactly this path, and suggests against
> > --force, contrary to the advice I've gotten here from Neil and others.
> > 
> > https://raid.wiki.kernel.org/index.php/RAID_Recovery#Restore_array_by_recreating_.28after_multiple_device_failure.29
> > 
> > I could update this, but not being expert all it'd say is "use
> > --assemble --force; if it fails ask on the mailing list."  :)  Perhaps
> > that's actually the best advice to give, but if there's something more
> > useful to put on that page maybe someone with more expertise could
> > update it?
> > 
> > --keith
> > 
> 
> 
> You should definitely try '--assemble --force' before trying to recreate the
> array.  There is no question about that.

Thanks to everybody,

The "-A --force" worked fine, the array had, in the
end, 0 mismatch count.

Thanks again,

bye,

pg

> 
> NeilBrown



-- 

piergiorgio