Thanks, I kinda thought that might be the case.... just hoped for some sort of work-around...
Dan ----- Original Message ----- From: "Alex van den Bogaerdt" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Thursday, April 24, 2003 7:04 AM Subject: [rrd-users] Re: logging old data.... RRD update frequency.... > On Thu, Apr 24, 2003 at 06:36:27AM -0400, Daniel A. Murray wrote: > > > The script that starts the process also checkes to see if the results file > > exists, and if so, parses it and then passes it to RRD with the start and > > elapsed time as parameters. > > > > While this generally works ok, on occasion a wayward process sometimes takes > > longer than 5 minutes, and occasionally as long as 48 hours. The problem is > > how to accurately go back and log that data which, from an RRD pespective > > would have been missed. > > Nope, from an RRD perspective, the data is known to be unknown. This is > different from what you expect, it is a known fact that the update wasn't > there while the next was. The data isn't missing, the data is known to be > unknown. > > > > Any thoughts? The only way I can think of is a brute force method of > > exporting the entire RRD, inserting the data, then re-importing the entire > > RRD. There has to be a better way. > > This is more difficult than you think. It doesn't fit the way RRD works. > > Your numbers are normalized, then they are moved to each of the RRAs. You > will have to recalculate the input for these RRAs however you cannot do this > because the input isn't there anymore. > > If this doesn't make any sense at all for you I suggest that you read my > stuff on rrdtool, available on faq.mrtg.org > > HTH > Alex > > -- > Unsubscribe mailto:[EMAIL PROTECTED] > Help mailto:[EMAIL PROTECTED] > Archive http://www.ee.ethz.ch/~slist/rrd-users > WebAdmin http://www.ee.ethz.ch/~slist/lsg2.cgi > -- Unsubscribe mailto:[EMAIL PROTECTED] Help mailto:[EMAIL PROTECTED] Archive http://www.ee.ethz.ch/~slist/rrd-users WebAdmin http://www.ee.ethz.ch/~slist/lsg2.cgi
