[Lustre-discuss] Interoperability beween lustre 1.4.11client and lustre 1.6.server

[Andreas Dilger]

On Apr 24, 2008  17:08 +0000, Quigley, Tom wrote:
> >>On Apr 23, 2008  21:58 +0530, ashok bharat bayana wrote:
> >> Is there an interoperability between lustre 1.4.11 client and lustre
> >> 1.6 server? i mean can we make lustre 1.4.11 client talk to lustre 1.6
> >> server?
> 
> >Only if the filesystem was originally formatted with 1.4 and upgraded
> >to 1.6 later.
> 
> does the interoperability work in the opposite direction, i.e. with a
> 1.4.11 server and a 1.6 client?

Yes, this works fine.  To be clear, it IS possible to have 1.4.11 clients
on 1.6 servers, but only in the case where the filesystem was previously
upgraded from 1.4.

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