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Rollback from Data Center to Server

Dario_5c430a

Hi Community!

I have to test the migration from Server to Data Center but I do not feel very confident to do it without to be ensure I will be able to rollback the process.

My question is if it would be enough with a backup of the application and database or, after the migration, the backup would not work.

My idea is to update the license key directly with a Data Center license which it is possible but I have not read anything about how to rollback the environment if something went wrong.

Could you please help me?

Thank you so much in advance.

Kind regards,

Dario

Accepted answers

Graham Twine_rtcp9b

Hello @Dario do you have a non prod environment?

The best solution is to backup the data folder and the database as described here

All comments

Graham Twine_rtcp9b

Hello @Dario do you have a non prod environment?

The best solution is to backup the data folder and the database as described here

Dario_5c430a

hi @Graham Twine ,

Thank you for your quick response.

Indeed, I have a non prod environment which is where I would like to test the migration.

After reading the link provided, I would like to ensure this procedure is the same for a migration because it is talking about upgrading. I am going to change the license key and i would like to confirm whether I will be able to restore the current license if something would be wrong.

I do not have the current license key so I would not like to loose it after doing the rollback.

Thank you so much!

PD - It is a Confluence migration (I did not mention before)

Kind regards,

Dario

Graham Twine_rtcp9b

If one has a copy of the data folder and the database then all one will do is replace the application, data folder and the database as well as the application / configurations and start up the application again.

This is not so much a rollback as it is a restore from backup process.

Jira has a jira.downgrade.allowed=true flag which worked well for me but that was also DC to DC. Server to DC and back to Server is a big leap so I understand your apprehension.

1. Backup the data folder

2. Backup the database

3. backup any changes you have made to things like the server.xml or setenv.sh files

4. execute upgrade / test / shutdown

5. Replace data folder with your backup

6. Replace application with your backup

7. Replace database

8. Startup and confirm the downgrade

It may be worth noting, clear out temp files before backing up

My script to clear things

#!/usr/bin/env bash 

curl https://wiki-dev.liquidesign.co.za/status | grep RUNNING > /dev/null 
IS_RUNNING="$([ $? -eq 0 ] && echo "Running" || echo "Stopped")" 

if [[ $IS_RUNNING =~ "Stopped" ]]; 
then 

       echo "Confluence is not running. Clearing cache folders." 

       #Copy index out of data as we need some of the index content 
       mkdir /apps/devwiki/index-tmp 
       cp -r /apps/devwiki/data/index/* /apps/devconfluence/index-tmp 

       # Clear out all folders 
       rm -rf /apps/devwiki/data/bundled-plugins/* 
       rm -rf /apps/devwiki/data/plugins-cache/* 
       rm -rf /apps/devwiki/data/plugins-osgi-cache/* 
       rm -rf /apps/devwiki/data/plugins-temp/* 
       rm -rf /apps/devwiki/data/bundled-plugins_language/* 
       rm -rf /apps/devwiki/data/index/* 
       rm -rf /apps/devwiki/data/journal/* 

       # Replace index folders 
       cp -r /apps/devwiki/index-tmp/plugin /apps/devconfluence/data/index/plugin 
       cp -r /apps/devwiki/index-tmp/edge /apps/devconfluence/data/index/edge 
       cp -r /apps/devwiki/index-tmp/questions-edge /apps/devconfluence/data/index/questions-edge 
       rm -rf /apps/devwiki/index-tmp 

       # Remove tmp index 
       rm -rf /apps/devwiki/index/ 

       # Clear working files 
       rm -rf /apps/devwiki/confluence/temp/* 
       rm -rf /apps/devwiki/synchrony_tmp/* 
       rm -rf /apps/devwiki/confluence/work/Standalone/localhost/* 

       echo "All done!" 
else 
  echo "Stop Confluence before executing this script." 
  exit 1 
fi

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