[rrd-users] Can't tune

[Fred Albrecht]

Hi

I've got an rrd which I can't seem to tune:

rrdtool info ifHCInOctets.rrd shows...
filename = "ifHCInOctets.rrd"
rrd_version = "0003"
step = 300
last_update = 1274451150
header_size = 2128
ds[ifHCInOctets].index = 0
ds[ifHCInOctets].type = "DERIVE"
ds[ifHCInOctets].minimal_heartbeat = 172800
ds[ifHCInOctets].min = 0.0000000000e+00
ds[ifHCInOctets].max = NaN
ds[ifHCInOctets].last_ds = "273565753664088"
ds[ifHCInOctets].value = 1.9041842277e+09
ds[ifHCInOctets].unknown_sec = 0
rra[0].cf = "LAST"
rra[0].rows = 700
rra[0].cur_row = 567
rra[0].pdp_per_row = 1
rra[0].xff = 5.0000000000e-01
rra[0].cdp_prep[0].value = NaN
rra[0].cdp_prep[0].unknown_datapoints = 0
rra[1].cf = "AVERAGE"
rra[1].rows = 600
rra[1].cur_row = 561 ...etc

But I can't do :

rrdtool tune  ifHCOutOctets.rrd -d ifHCInOctets:COUNTER
ERROR: unknown data source name 'ifHCInOctets'


I am running :
rrdtool -v
RRDtool 1.4.3  Copyright 1997-2009 by Tobias Oetiker <tobi at oetiker.ch>
               Compiled May  4 2010 16:24:11

Can you please explain why this fails?

Thanks

Fred

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