When you mix architectures (or are moving from 32bit to 64bit like me) and use RRDtool for statistics, you might run into this problem: ERROR: This RRD was created on another architecture You can solve this, to dump the RRD file on the server that created it to XML, like this: rrdtool dump stats.rrd > … Continue reading RRDtool: moving data between 32bit and 64bit architectures