[Rrd-announce] announce: utility to restore RRDs from backup into used RRDs (fwd)

Tobias Oetiker tobi at oetiker.ch
Tue May 31 10:58:29 CEST 2011

guess this might be of interest to all

From: Christian Theune <ct at gocept.com>
To: rrd-developers at lists.oetiker.ch
Date: Tue, 31 May 2011 09:51:48 +0200
X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00 autolearn=ham
Subject: [rrd-developers] announce: utility to restore RRDs from backup into
    used RRDs


I hope I didn't re-invent the wheel, but I could not find an existing
utility that helped me out.

Our situation was that we had backups of our RRDs from a pnp4nagios
setup and had to perform a disaster recovery in two steps:

1. Get the monitoring system started again (which then started
    gathering new data into new RRDs)

2. Get the historical data back from backup.

I wanted to minimize the time that we lost data for and thus wanted to
merge the data from both RRDs into a new one. I found merge-rrds which
wasn't quite what I needed so I adapted it and if anybody has a similar
need you can find my shot here:

Comments and criticism welcome,

Christian Theune · ct at gocept.com
gocept gmbh & co. kg · forsterstraße 29 · 06112 halle (saale) · germany
http://gocept.com · tel +49 345 1229889 0 · fax +49 345 1229889 1
Zope and Plone consulting, development, hosting, operations

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