[rrd-users] Correcting for GMT lag on daily values

Joe Loiacono jloiacon at csc.com
Thu Sep 5 16:06:27 MEST 2002


I'm trying to simply collect a value on a day-by-day basis. My RRD create
command has an 86400 step, and a start time set to local midnite. No matter
which Julian time I provide RRD, the data points are getting stored at
midnite GMT instead of local (I can live with midnite GMT if necessary.)
As a result the data values are being interpolated from their original
input values for the four hour difference.

The resulting graph does not fall neatly on the 12-hour vertical lines but
looks like it has been entered for 8:00 PM instead of midnite, and uses
interpolated values instead of the desired input ones.

How can I solve this?

Thanks very much,

Joe Loiacono

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