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Problem

You may face ones of these problems while activating changes. The exact error message might look different, but this article might still apply.

One of these error messages might apply to you:

Error running automation call restart (exit code 1), error: An error occurred: Other restart currently in progress. Aborting.

Internal automation error: Error running automation call restart (exit code 1), error:  An error occurred: Other restart currently in progress. Aborting.

The site is currently locked by another activation process. Please try again later.

Verification

1. Log into your central Checkmk site as an administrative user and navigate to Background jobs.
2. Check the section titles Activate Changes Scheduler for running jobs, which are older than a few minutes.
3. Take note of the UUID at the end of the job name (activate-changes-scheduler-263383ff-b58b-4a8e-ba77-c6e1ff2d3b94).

If you see one or more of the aforementioned jobs, move forward with this article.

Solution A (recommended)

As you verified in the section above, there are lingering files within the central site's ~/tmp/check_mk/wato/activation/ directory. 

1. A reboot of your Checkmk servers operating system will clear out these files and should allow you to activate changes again.

Solution B

If for whatever reason you cannot or do not want to reboot the server, you can delete the files manually on the command line. We recommend this only be done by experienced users.

1. Login to your central site as the site user

   Code Block
   language bash theme RDark
   root@linux:~# omd su mysite

   
   
   

2. Check to see if you have old directories within $OMD_ROOT/tmp/check_mk/wato/activation/
   

   Code Block
   language bash theme RDark
   OMD[mysite]:~$ ls -lah $OMD_ROOT/tmp/check_mk/wato/activation/ total 42 drwxrwx--- 3 mysite mysite 100 Jul 4 00:42 6ecd4860-611e-4a4c-912f-74a6f1123e99/ drwxrwx--- 3 mysite mysite 100 Jul 4 00:42 bec06bbc-1d35-4668-a421-151828b8500d/ drwxrwx--- 3 mysite mysite 920 Jul 3 18:34 263383ff-b58b-4a8e-ba77-c6e1ff2d3b94/

   It looks like there is one old directory that couldn't be deleted. The files here are deleted every minute by default.

   
   
   

3. Remove the lingering directory:

   Code Block
   language bash theme RDark
   OMD[mysite]:~$ rm -r $OMD_ROOT/tmp/check_mk/wato/activation/263383ff-b58b-4a8e-ba77-c6e1ff2d3b94/

   
   
   

4. There will be a corresponding background job in $OMD_ROOT/var/check_mk/background_jobs/, which can be cleaned up as well:

   Code Block
   language bash theme RDark
   OMD[mysite]:~$ ls -lah $OMD_ROOT/var/check_mk/background_jobs/ total 42 drwx------ 2 hyde hyde 4.0K Jul 4 00:42 activate-changes-scheduler-0897307d-d177-4b6e-a500-1263a5ec3299/ drwx------ 2 hyde hyde 4.0K Jul 4 00:42 activate-changes-scheduler-1ba662c2-374a-4bce-9b6a-59329e9f11a5/ drwx------ 2 hyde hyde 4.0K Jul 3 18:34 activate-changes-scheduler-263383ff-b58b-4a8e-ba77-c6e1ff2d3b94/ OMD[mysite]:~$ rm -R $OMD_ROOT/var/check_mk/background_jobs/activate-changes-scheduler-263383ff-b58b-4a8e-ba77-c6e1ff2d3b94/

   
   
   

5. Now go back to the UI and try to activate changes.

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