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This article explains what to do if you have duplicate hosts after using omd copy / move to a new site.

LAST TESTED ON CHECKMK 2.0.0P1

Table of Contents

Problem

After copying or moving a site with omd mv or omd cp, Checkmk will show you duplicate hosts and services.

This known issue needs a bigger rewrite of our code, which will take a while.

Solution

To avoid the issue, you might want to modify the following .mk files

  • ~/etc/check_mk/multisite.d/sites.mk
  • ~/etc/check_mk/liveproxyd.mk
  • ~/etc/check_mk/conf.d/distributed_wato.mk
  • ~/etc/nagvis/conf.d/cmk_backends.ini.php
  • ~/etc/nagvis/maps/<mapname>.cfg
  • ~/etc/nagvis/*
  • ~/local

If you're using the dcd, you must modify the dcd connection and recreate the hosts.


In large environments, you could modify the following files:

  • ~/etc/check_mk/dcd.d/wato/connections.mk
  • ~/etc/checkmk/conf.d/wato/hosts.mk
  • ~/etc/checkmk/conf.d/wato/*/hosts.mk


Please be careful with modifying these files. We don't support any modification. We recommend modifying the hosts via WATO/SETUP or removing and recreating the hosts via the DCD.

Issue with Agent Bakery

ValueError ('/omd/sites/mysite/share/check_mk/agents/check_mk_agent.aix' does not start with '/omd/sites/mybackupsite/share/check_mk/agents')

Solution 

Every time the bakery is running, we create a status file. After copying or moving the site, you need to delete this file. 

OMD[mysite]~# cat ~/var/check_mk/wato/bakery_file_status.mk


{'/omd/sites/mysite/share/check_mk/agents/check_mk_agent.aix': 1615930830.0, '/omd/sites/mysite/share/check_mk/agents/check_mk_agent.linux': 1615930830.0, '/omd/sites/mysite/share/check_mk/agents/check_mk_agent.solaris': 1615930830.0, '/omd/sites/mysite/share/check_mk/agents/check_mk_caching_agent.linux': 1615930824.0, '/omd/sites/mysite/share/check_mk/agents/mk-job': 1615930824.0, '/omd/sites/mysite/share/check_mk/agents/mk-job.aix': 1615930824.0, '/omd/sites/mysite/share/check_mk/agents/mk-job.solaris': 1615930824.0, '/omd/sites/mysite/share/check_mk/agents/waitmax': 1615930824.0}

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