[rrd-users] Re: adding data sources to rrd
cliftonr at lava.net
Wed Dec 12 03:04:29 MET 2001
On Mon, Dec 10, 2001 at 12:54:24PM -0700, Kempf, Reed wrote:
> I realize this question has been asked many, many times but I have about
> 1400 .rrds with trend data in them and need to add a data source to display
> new information. It is not acceptable for me to throw away the trend data.
> Is it possible yet to add a new data source to an existing rrd without
> losing the data. I have heard mention of a few commands which I'm not at
> all familiar with like rrd dump and rrd restore but think these may be the
That's what you probably want, yes. Try doing "man rrddump" and then
dumping one of the files you want to expand and messing around with it.
It prints it out as XML, more or less hierarchically structured. You'll
basically be adding a new "column" to the matrix, all values set to
I'm not sure if anybody's yet written a tool that just *does* it.
Clifton Royston -- LavaNet Systems Architect -- cliftonr at lava.net
WWJD? "JWRTFM!" - Scott Dorsey (kludge) "JWG" - Eddie Aikau
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