[Lustre-discuss] Lustre Thumper Fault Tolerance

[Andreas Dilger]

On Mar 11, 2008  11:40 -0700, Klaus Steden wrote:
> For clarity's sake ... 1.6.2+ == 1.6.3 and higher?

Yes.

> I'm using lustre-1.6.2-2.6.9_55.0.2.EL_lustre.1.6.2smp and it doesn't appear
> to be available. I haven't run a tunefs.lustre -O mmp, but the file system
> was originally formatted with 1.6.2, and I can still mount my MDT from
> multiple locations if I really try (and I try not to) ...

It wasn't enabled by default until later, but the feature is there, AFAIK.

> On 3/10/08 7:56 PM, "Andreas Dilger" <adilger at sun.com>did etch on stone
> tablets:
> 
> > On Mar 10, 2008  15:48 -0700, Klaus Steden wrote:
> >> Is the mmp feature already in the existing Lustre distribution? If so, what
> >> versions are mmp-aware? If not, which version will be the first to
> >> incorporate it?
> > 
> > It's in Lustre 1.6.2+ and 1.4.12, and e2fsprogs-1.40.2+.
> > 

Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.