How does PingER collect data?
- The monitoring host collects data on its local disk
- The data for most PingER v2 sites is stored in /usr/local/share/pinger/data
- For the SLAC monitoring host, the data is stored in NFS at /nfs/slac/g/net/pinger/pinger_mon_data. This is the "raw" data just showing the ping times from SLAC to the rest of the world. It is retrieved the same way as any other monitoring host, via http://www.slac.stanford.edu/cgi-wrap/ping_data.pl
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- A trscron job run as the pinger user on the pinger host runs getdata.pl which contacts a web server at each monitoring site and requests that site's data with the ping_data.pl script.
- This data is stored on NFS in /nfs/slac/g/net/pinger/pingerdata/hep/data/<hostname>
- Approximately two hours after the getdata.pl script is run,