[rrd-users] Re: rrdtool create
georges at norm.lu
Wed Dec 8 23:45:54 MET 2004
> Counter, or derive.
i would prefer not to recreate everything :-)
but as i read the rest of the mail, i would better doing so.
is it possible to keep the current data but somehow change from counter to
like dump and restore ?
> You didn't set a proper maximum, or your counter increases to _almost_ the
> full value in one month.
i didn't set a maximum, that's correct.
the data it plotted... some hours before and some hours after... it contained
some PETA values etc...
> #1 Just before the counter gets reset, update your database. One
> second later, update the database with "U" (for unknown).
> Another second later (preferably exactly when the counter is reset)
> update the database with zero.
> This way you have the most accurate results
> #2 Use DERIVE as your datasource type. When the counter is reset, RRDtool
> will see this as a negative rate. Tell RRDtool it should not accept
> negative rates (minimum value set to zero)
that's probably the best way to go...
only wondering now if i can keep my old data... hope so :-/ ... ?
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