On Thursday 05 July 2007 23:42:38 Harald van Pee wrote:
> On Thursday 05 July 2007 11:23 pm, Bernd Schubert wrote:
> > Joel Robison wrote:
> > > Thanks for the quick reply Bernd,
> > >
> > > I have not put any valuable data on the filesystem yet, so no worries
> > > about data loss, just 1.2T of zeros.
> > > How can I disable extents and mballoc? is it a ../configure option?
> > > I am away from the machines right now or I would check myself.
> >
> > On the OSSs
> >
> > 1.) umount {ost-mountpoint}
> > 2.) tunefs.lustre --mountfsoptions="" /dev/{ost-device}
> > 3.) mount {ost-mountpoint}
>
> would there a big performance loss and if so does the CFS team suggests a
> patch instead?Some numbers you might find here: http://www.pci.uni-heidelberg.de/tc/usr/bernd/downloads/lustre/performance/ Patches are in bug#11039 Cheers, Bernd -- Bernd Schubert Q-Leap Networks GmbH _______________________________________________ Lustre-discuss mailing list [email protected] https://mail.clusterfs.com/mailman/listinfo/lustre-discuss
