If you have been seeing unexplained gaps in graphs or maybe whole datasets missing you should upgrade RRDTool.
rrdtool version 1.7.1 2 needs to be installed. The following steps are just an example. These worked in the Opmantek servers, but the commands may not be the same for various versions of Linux.
Step #1 - cat /etc/os-releaseStep #2 - Download rrdtool version 1.7.1 2 from here:
https://oss.oetiker.ch/rrdtool/pub/rrdtool-1.7.2.tar.gz
http://archive.ubuntu.com/ubuntu/pool/main/r/rrdtool/rrdtool_1.7.2.orig.tar.gz
Step #2#3 - Remove old rrdtool
apt-get purge rrdtool
or
yum remove rrdtool
Step #3#4 - Compile and install rrdtool 1.7.2
put rrdtool-1.7.12.tar.gz in the /root directory.
...
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tar -zxvf rrdtool-1.7.2.tar.gz
cd rrdtool-1.7.2
### Configure
./configure --enable-shared --prefix=/usr/local/rrdtool
### Compile (just from the prompt)
make
### Install
sudo make install |
Step #4#5 - Verification
root@deb8:~/rrdtool-1.7.1#2# /path/to/rrdtool/bin/rrdtool --version
RRDtool 1.7.1 2 Copyright by Tobias Oetiker <tobi@oetiker<tobi@oetiker.ch>
Compiled OctMar 1718 20182021 1314:3929:3200
Step #5#6 - Point NMIS at new rrdtoolInstall the attached uselib.pm in /usr/local/nmis8/lib/NMIS
...
Step #6 - Run fix perms
/usr/local/nmis8/admin/fixperms.pl