...
| Info |
|---|
| "Cannot get RRD data" error and how to troubleshoot. |
| Status | ||||
|---|---|---|---|---|
|
| Table of Contents |
|---|
Problem
You may be impacted by a Cannot Create Graph error:
To visualize a graph, Checkmk uses RRD. The RRD needs, by nature, two files:
...
| Code Block | ||||
|---|---|---|---|---|
| ||||
OMD[mysite]:~$ for i in $(find ~/var/check_mk/rrd -name *.info); do test -e ${i%info}rrd || echo $i; done
/omd/sites/mysite/var/check_mk/rrd/<HOSTNAME>/PING.info
/omd/sites/mysite/var/check_mk/rrd/<HOSTNAME>/CPU_Utilization_Mgmt_CPU.info
/omd/sites/mysite/var/check_mk/rrd/<HOSTNAME>/CPU_Utilization_Packet_CPU_1.info
/omd/sites/mysite/var/check_mk/rrd/<HOSTNAME>/CPU_Utilization_Packet_CPU_0.info |
- Now you have a list of files to delete. Please replace
echo $iwithrm $iin order to delete those files. - After you delete the affected files, you need to start the site to create the new files.
| Note |
|---|
Checkmk does not delete any .rrd file. So it could be deleted by a custom cleaning job! |
...