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Upgrade Checkmk Raw to Enterprise Free Edition

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Steps to upgrade exiting Checkmk Raw to Enterprise Free Edition which is limited to two sites, each with a maximum of 10 hosts that can be monitored.

  1. Download the latest version of Checkmk Enterprise – Free Edition for CentOS 7 and transfer it to existing Checkmk Raw Edition Server
  2. Install the checkmk enterprise free edition
[[email protected] tmp]# yum install check-mk-enterprise-1.6.0p11.demo-el7-38.x86_64.rpm
  1. Verify the Checkmk Enterprise Free Edition (.cee) is installed successfully
[[email protected] tmp]# omd version
OMD - Open Monitoring Distribution Version 1.6.0p11.cee.demo
  1. Switch to installed checkmk site and upgrade from Raw to Enterprise Edition
[[email protected] tmp]# su checkmk
OMD[checkmk]:~$ omd version
OMD - Open Monitoring Distribution Version 1.6.0p11.cre
OMD[checkmk]:~$ omd stop
OMD[checkmk]:~$ omd update

Select the Checkmk Enterprise Free Edition (.cee.demo) and click Update Now

Checkmk Raw to Enterprise Free Edition

  1. Start omd services
OMD[checkmk]:~$ omd start
  1. Login to https://FQDN-CHECKMK/checkmk to verify that it had been upgraded to Enterprise Free Edition

Checkmk Raw to Enterprise Free Edition

Change the Core from NAGIOS to CMC

Change the Core Engine from nagios to CMC (Check_MK Micro Core)

# Verify the existing CORE used
[[email protected] tmp]# omd config checkmk show
CORE: nagios
PNP4NAGIOS: on

#Stop the omd site
[[email protected] tmp]# omd stop
#Change from nagios to cmc 
[[email protected] tmp]# omd config checkmk set CORE cmc
#Start the omd site
[[email protected] tmp]# omd start
# Verify Core is changed to cmc now
[[email protected] tmp]# omd config checkmk show
CORE: cmc

Advanced Graphing

Enable the new CMC format to replace the existing pnp4nagios

  1. Backup existing graph data in ~/var/pnp4nagios/perfdata/ to /tmp/backup.tar
tar -cvzf ~/tmp/backup.tar ~/var/pnp4nagios/perfdata/
  1. Go to WATO-CONFIGURATION – Host & Service Parameters – Monitoring Configuration – Various – Configuration of RRD database of hosts

Checkmk Raw to Enterprise Free Edition

  1. Create a new rule for RRD Storage Format = One RRD per host/service (saves disk IO, only with CMC) and activate the changes

Checkmk Raw to Enterprise Free Edition

  1. Migrate existing RRDs to new format
[[email protected] tmp]# su checkmk
# Migrate existing RRDs 
OMD[mysite]:~$ cmk --convert-rrds -v

# Path for new RRDs files
OMD[checkmk]:~/var/check_mk/rrd$ ls
AVENTIS-AD01/  AVENTIS-MGMT/
  1. Delete all files in ~/var/pnp4nagios/perfdata to free up disk space
OMD[mysite]:~$ cmk --convert-rrds --delete-rrds -v
  1. Click on the graph icon to view the Graph

Checkmk Raw to Enterprise Free Edition

Checkmk Raw to Enterprise Free Edition

Reference Links

  1. Support for new RRD format with more efficient Disk IO
  2. Checkmk Edition

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