[hobbit] NCV problems still

Tracy J. Di Marco White gendalia at iastate.edu
Fri Jan 6 08:27:46 CET 2006

In message <AE1139DB2EF72D46BAF3CCEA8AC2A2A14B6FD8 at perntex01.sealcorp.net.au>, "Wild, Phil" writes:
}Hi Tracy, 
}Thanks for the response. If you are expecting the number of variables to
}vary from one status message to the next then you need to write your own
}parsing script and store the variables in individual RRD's ala how the
}disk rrd's are built.

I don't actually expect them to change, I just was able to monitor a
lot more than I had originally planned, and went from 1 variable to
28.  The rrd is fine, I just haven't gotten around to figuring out
what to do about graphing.

}Fy first status message has a DEV line and a RUN line but it seems to
}only process the DEV line. It has me stumped. I'm almost ready to give
}up on the NCV functionality and write my own parsing script.

I had to enable debugging to find out why the rrd wouldn't take the
new variables, but once I did the errors made it obvious.  Do you
have error logs?  My errors included not having every variable
listed correctly in NCV_afs in hobbitserver.cfg, as well as needing
to start with a fresh rrd.


}-----Original Message-----
}From: Tracy J. Di Marco White [mailto:gendalia at iastate.edu] =
}Sent: Friday, 6 January 2006 2:25 PM
}To: hobbit at hswn.dk
}Subject: Re: [hobbit] NCV problems still 
}In message
}<AE1139DB2EF72D46BAF3CCEA8AC2A2A14B6FD7 at perntex01.sealcorp.net.au>, "Wild, Phil" writes:
}}Hi Hobbit users,
}}Is anyone successfully using the NCV functionality to trend statistics
}}for more than one variable? I can not seem to get two variables into an
}}RRD and have not been able to find any hints by searching the archives.
}}The rrd is created but only ever has the first variable (DEV) in it.
}}Is there a way of turning on some form of debugging for the process
}that }parses the status messages and builds the rrd file?
}}Everything else seems to work fine including an external larrd script
}}that builds rrd data for sar.
}}My status message looks like this:
}}green Fri Jan 6 13:51:36 WST 2006
}}DEV : 57
}}RUN : 20
}I was only able to get multiple variables into an rrd by deleting the
}rrd and starting over, then it started saving all of the variables
}properly.  I assume the rrd file can't really grow new variables.
}I haven't yet figured out how to graph all of them though. 

Tracy J. Di Marco White
Information Technology Services
Iowa State University

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