[lustre-discuss] lustre 2.5.3 servers and lustre 2.10.4 clients?

[Joe Digilio]

I have a small installation running RHEL6 servers with Lustre 2.5.3.
Clients are mostly RHEL7 with Lustre 2.10.3. I am hoping to upgrade those tomorrow to 2.10.4.
I’ve been running 2.5.3 + 2.10.x since 2.10.0 was released.

-Joe


> On May 23, 2018, at 2:57 AM, Chris Roome <Chris.Roome at mpimf-heidelberg.mpg.de> wrote:
> 
> Hi lustre gurus,
> 
> We have the MGS/MDT and OSSes on lustre 2.5.3 and we would like lustre clients on CentOS 7.5.1804.
> 
> I did some testing with 7.5.1804 and 2.10.4.RC2 on a test client and had no problems (other than the "Lustre: Server MGS version (2.5.3.0) is much older than client..." warning).
> 
> Looking through the mailing list I found reports of people using 2.10.1 clients with 2.5.3 server without any problems.
> 
> Would it be fair to say that there shouldn't be any problems with 2.10.4 clients with 2.5.3 servers since it seems 2.10.1 works OK?
> 
> The plan is to upgrade the servers later in the year.
> 
> Thanks for any guidance!
> 
> Chris.
> 
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