[Lustre-discuss] How do you monitor your lustre?

Andreas Davour davour at pdc.kth.se
Fri Oct 1 05:37:19 PDT 2010


On Thursday 30 September 2010 22:08:55 Jim Garlick wrote:
> On the lustre-discuss subject of "is LMT moribund":
> 
> LMT2 definitely had a burst of activity a few years ago and then dropped
> off dramatically as the original developers, some of whom were "borrowed"
> from another group, moved on to other things.  I've been maintaining it
> to a degree in my spare time, but I acknowledge that support has been
> somewhat lacking.
> 
> A couple of months ago, I began a serious attempt to address some of the
> issues that come up repeatedly on the lmt-discuss mailing list.  This
>  turned into a rewrite of the back end (cerebro and mysql interface) and
>  ltop utility. The new code will appear in lmt3, to be released sometime in
>  October.
> 
> Highlights of lmt3:
> * New ltop that works directly with cerebro and has an expanded display.
> * Auto-configuration of mysql database (lustre config is determied on the
>  fly) * Improved error handling and logging (configurable)
> * New config file
> * Code improvements for maintainability
> 
> Since ltop is now written in C/curses and talks directly to cerebro,
> the mysql database for storing historical data and the lwatch java client,
> which can graph historical data, are optional.
> 
> So in summary, LMT was never abandoned, and although support has been
> fairly thin and the code somewhat fragile, there are good prospects for
> that improving in the future.

Thanks Jim. Nice summary. 

/andreas
-- 
Systems Engineer
PDC Center for High Performance Computing
CSC School of Computer Science and Communication
KTH Royal Institute of Technology
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