[lustre-discuss] [lustre-devel] LMT 3.2 - MDT display

Christopher J. Morrone morrone2 at llnl.gov
Wed Apr 13 13:59:50 PDT 2016

This is more of a lustre-discuss topic, so I'm taking my reply there.

Can you describe how you installed lmt?  Most likely there is some
problem with the cerebro setup, and the data isn't getting to the node
on which you are running ltop.

There are some instructions here:


There are some commands on that page that might help debug where the
problem is arising, for instance lmtmetric and cerebro-stat.

What version of Lustre are you using?


On 04/13/2016 01:45 PM, Crowe, Tom wrote:
> Greetings,
> After seeing a presentation at LUG16
> (http://cdn.opensfs.org/wp-content/uploads/2016/04/LUG2016D1_LMT-Only-a-Flesh-Wound_Faaland.pdf),
> I was excited to try the updated version of LMT (3.2) as it appeared
> detailed MDT/MDS information is included in ltop output.
> I have successfully built and installed LMT 3.2, but there is no display
> of MDT info. 
> Wondering how I might troubleshoot this further. Everything is working,
> its just not giving me the MDT/MDS info as I expected it might.
> Thanks,
> Tom Crowe
> _______________________________________________
> lustre-devel mailing list
> lustre-devel at lists.lustre.org
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