[pve-devel] [RFC OPTIONAL pve-cluster 1/1] add arcsize to rrd

[DERUMIER, Alexandre]

Hi,



> > > +++ b/debian/pve-cluster.postinst
> > > @@ -0,0 +1,6 @@
> > > +#!/bin/bash
> > > +
> > > +RRD_DB="/var/lib/rrdcached/db/pve2-node/`hostname`"
> > > +if [ -f $RRD_DB ] && [ `rrdtool info $RRD_DB | grep -q arcsize`
> > > ]; then
> > > +        rrdtool tune $RRD_DB 'DS:arcsize:GAUGE:120:0:U'
> > > +fi
> > 
> > 

I totally miss it, but since rrdtool 1.5, indeed, it's possible to add
new datasource in existing rrd with "rrdtool tune" like in your patch
:)


It was not possible in the past, that's why a new rrd was needed :)