[rrd-users] inserting old data into an RRD problem

[Allan Bailey]

I'm trying to insert (import?) old values into an RRD data file.  Here's the error I get:

$ rrdtool update test.rrd 1087473652:8.38647681652  1087473667:9.72654254627  1087473697:7.60364089061
ERROR: illegal attempt to update using time 1087473652 when last update time is 1087542000 (minimum one second step)


Here's the info of the test.rrd file:
====
filename = "test.rrd"
rrd_version = "0001"
step = 15
last_update = 1087542000
ds[time].type = "GAUGE"
ds[time].minimal_heartbeat = 86400
ds[time].min = NaN
ds[time].max = NaN
ds[time].last_ds = "UNKN"
ds[time].value = 0.0000000000e+00
ds[time].unknown_sec = 0
====


If there is a relevant FAQ that I've missed, please point it out. 

--
Allan

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