[Lustre-discuss] Lustre::LFS + Lustre::Info (inc. lustre-info.pl) available on the CPAN

Frederik Ferner frederik.ferner at diamond.ac.uk
Thu Jul 29 10:11:43 PDT 2010


Adrian Ulrich wrote:
>> If you've got a lot of OSTs on  your server you need a wide monitor for some
>> of the options like  --monitor=ost-patterns for all OSTs...
> 
> The output format is not ideal, but it's a good reason to upgrade your
> workstation to a dualhead configuration ;-)

;-)

[snip]

>> 'lustre-info.pl --monitor=io-size' seems to sit at "collecting data, 
>> please wait..." for a very long time until I killed it, I have not had 
>> the time to debug this yet.
> 
> I never tested it with anything else than 1.8.1.1 but this should be
> trivial to fix:
> 
> Could you mail me the output of
>  /proc/fs/lustre/obdfilter/##SOME_OST##/exports/##A_RANDOM_NID##/brw_stats ?

See attached.

Thanks!
Frederik

-- 
Frederik Ferner
Computer Systems Administrator		phone: +44 1235 77 8624
Diamond Light Source Ltd.		mob:   +44 7917 08 5110
(Apologies in advance for the lines below. Some bits are a legal
requirement and I have no control over them.)
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