Hello,

It seems to be not a good idea to mix 2 values in 1 rrd file as you are trying to do. One day, you may want to stop mixing those values and this is not possible.

Have a look at http://oss.oetiker.ch/rrdtool/doc/rrdgraph.en.html if you are using rrdtool to graph your values. Merge your values with 2 (or more) DEF lines. All the examples specify the same rrd file. Give a try with distinct rrd files. It should work.

Regards
Yves

Le 2014-10-17 01:59, GRAY Andrew G (SPARQ) a écrit :
Dear all,
I 'm trying to track usage of pools of virtual machines.

So I have the gauge type working, but I really want two traces on the one graph.
The df type as defined in the types.db file seems to suit,

Using the gauge type
types.db
gauge    value:GAUGE:0:1234567890

Exec Plugin writes the following
PUTVAL                $hostname/pool-poolname/gauge         N:$value

Which generates a graph with a single blue trace.

Now,
I'm trying to get a dual trace graph with red and green, similar to
the df plugin.
Which I can't seem to find any docs on ....

types.db
df            user:GAUGE:0:1234567890, free:GAUGE:0:1234567890

Writing ....
PUTVAL                $hostname/pool-poolname/df-user
N:$value1:$value2   .... Doesn't work
PUTVAL                $hostname/pool-poolname/df
N:user:$value1, N:free:$value2   .... Doesn't work

Can anyone point me at some docs, or let me know the secret ingredient ??

Thanks for any help,

Andrew Gray.
Unix Administration.


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