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

[Andreas Dilger]

On 2010-07-29, at 09:08, Frederik Ferner wrote:
> Note the 'Use of uninitialized value in division...' errors. Looking at 
> the code it seems the value for 'setattr' is missing from the stats file 
> for some of our OSTs. Looking at the stats file, indeed the setattr line 
> is missing for some OSTs.
> 
> Has anyone seen this before? What could have caused this?

The statistics code for OBD devices is generic.  For operations that have never been done on a particular target there is no stats value printed.  Otherwise, the "stats" file would be 60 lines long and mostly be filled with counters that are all "0".

Cheers, Andreas
--
Andreas Dilger
Lustre Technical Lead
Oracle Corporation Canada Inc.