[rrd-users] How can i get <last_ds> counter value from rrd file?

Benny Baumann BenBE at geshi.org
Thu Oct 1 16:20:22 CEST 2009


Am 01.10.2009 12:12, schrieb jayashree:
> Hi, 
> I am interested in getting the counter value stored in <last_ds> in the rrd
> file. Any rrd function which can help me?
rrd_info, rrd_lastupdate, in extreme cases even rrd_dump.
> The idea is, i dont have response from the router at a certain point and I
> want to log a zero in my graph. So to achieve this, I am trying to get the
> last counter value stored in <last_ds> in my rrd file.  If there is a better
> way to handle this problem of updating my rrd file with a '0' when i dont
> have response from the device, please let me know.
A much better ay to do this would be having rrd_tool handle this and
"fixing" those unknown values when graphing or fetching data. There are
many examples on how to do this on the RRD homepage.
> Thanks,
> jayashree

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