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Hi Andy,

the script works flawlessly! Both cms.ping and cms.sched are working as expected now.

Thanks,
Max

> Am 18.10.2016 um 22:23 schrieb Andrew Hanushevsky <[log in to unmask]>:
> 
> Hi Max,
> 
> The load is calculated by the script you specify to run using cms.perf
> 
> http://xrootd.org/doc/dev44/cms_config.htm#_Toc454223033
> 
> if you haven't specified it then only the file system loads are reported and everything else is zero. We provide a sample script in the "utils" directory of the source repo called XrdOlbMonPerf and it should work for any Linux system. However, do verify as we normally don't update this script unless someone complains and offers a solution.
> 
> Andy
> 
> -----Original Message----- From: Fischer, Max (SCC)
> Sent: Tuesday, October 18, 2016 2:45 AM
> To: [log in to unmask]
> Subject: empty usage statistics (for cms.sched)
> 
> Hi all,
> 
> I'm investigating some broken load balancing in one of our sub-clusters. From a set of similar servers using a shared file system, about 1-2 show considerably higher load (750 vs 30).
> My attempt was to change `cms.sched` to prefer machines with low load, but there was no effect from changing this policy.
> 
> After switching on logging of `cms.ping` [1] statistics, it turns out that *all* load statistics from servers are reported as 0:
>   161018 11:32:09 25026 Node: f01-101-136-e.gridka.de load=0; cpu=0 net=0 inq=0 mem=0 pag=0 dsk=871483960 utl=49 shr=[100 24 0]
> 
> Do I have to adjust the configuration of server or manager to make this work? The manager is running v4.3, the servers are running v4.3 and v4.4.
> 
> Cheers,
> Max
> 
> [1] cms.ping docs
> http://xrootd.org/doc/dev43/cms_config.htm#_Toc436250534
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