[rrd-users] Fetch Historic Data using rrdtool fetch

RHS hsravidatta at yahoo.com
Sat Jan 17 03:57:16 CET 2009


I am really new to the RRD tool. I need your assistance in fetching the 1
month data from the RRD.

for example I am issuing the below command but it seems not logically
correct number of rows being fetched from the rrd/rra.

rrdtool fetch gauge_swp_free_pct.rrd -r 300 AVERAGE -s -30d

this fetched me total records of 1443 but actually 30days of records for
every 5 minutes data capture should come to closer 8931 or so.

if I rrdtool dump <rrd file name>, I can see data for so many previous

I am not sure where I am going wrong. Is it expected behaviour ?

In summary I need to capture the 1 month data (which was captured for every
5 minutes) from the RRD.

Please assist at the earliest.

Thank you, Regards, Ravi

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