[Lustre-discuss] Patchless client support for lustre 1.4.11

Brian J. Murrell Brian.Murrell at Sun.COM
Wed Apr 30 05:37:24 PDT 2008


On Wed, 2008-04-30 at 12:02 +0530, ashok bharat bayana wrote:
> 
> Hello Brian,

Hi Ashok,

> Actually I am not sure whether lustre 1.4.11 server is compatible with
> lustre 1.6.4.2 ****patchless client******.

Maybe it is, maybe it's not.  Indeed, we only guarantee +/-1 minor
version interoperability but we also don't introduce interoperability
problems very frequently.

> We are working on a particular server which is built on lustre1.4.11.
> As this particular server is built on lustre1.4.11,we are thinking
> that ijn order to build lustre sucessfully, client(patchless) also
> should be of the same version.

No, that is not necessarily true.
> 
> Because of this reason, I require 1.4.11patchless client support.

Well, I cannot help you there I'm afraid.  The patchless client is
simply not available in the 1.4 series, and AFAIK, never will be.

> Can you make me sure whether lustre1.6.4.2patchless client is
> compatible with lustre1.4.11server.

I'm afraid I cannot.  Setting up a testbed to do this is not a trivial,
5 minute task and my job keeps my plate pretty full.  There is nothing
stopping you from setting up such a testbed however and running as many
tests as you need to to satisfy yourself that it either works or does
not.

Cheers,
b.

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