Master Upgrade Steps

Notice:

• Support for Ubuntu 14 is depreciated. Upgrade to Ubuntu 16 from here. (It is required only if your current OS version is 14.)

• Upgrade from Ubuntu 16 to 20 from here

-- command to check ubuntu version:
lsb_release -a

• For HA, make following changes:

  • Go to /motadata/motadata/config

  • Edit cluster-conf.yml

  • change installation type from original value to 0.

  • After upgrading the master server, copy motadata-cluster (EXE) in data-node server.

  • After upgrade is complete, revert back installation type to its original value.

1. Delete following files from the 2nd level motadata folder:

   • motadata-upgrade.zip

   • upgrade.zip

   • upgrade

   • motadata-upgrade

   • motadata-upgrade.conf

cd /motadata/motadata
rm -rf motadata-upgrade.zip
rm -rf upgrade.zip
rm -rf upgrade
rm -rf motadata-upgrade
rm -rf motadata-upgrade.conf

2. Download motadata-upgrade.zip file and FTP the file to motadata server (2nd level motadata folder).

3. Unzip motadata-upgrade.zip file.

   cd /motadata/motadata
   unzip motadata-upgrade.zip
   

Following files should be visible:

• motadata-upgrade.py

• packages.zip

• upgrade-installer

• upgrade-installer.config

• upgrade.zip

5. Add 775 permission to motadata-upgrade.py:

   cd /motadata/motadata
   chmod 775 motadata-upgrade.py
   

6. Run upgrade command:

   cd /motadata/motadata
   ./motadata-upgrade.py <current_version> //for ex: ./motadata-upgrade.py 7.3.021
   

7. Go to the system folder.

   cd /lib/systemd/system
   

8. If your Ubuntu version is 16, add entries in motadata service:

   vi motadata.service
   
   --- use i command to edit -----
   ---- add a new line after Killmode = none ------
   
   LimitCORE=infinity
   LimitNOFILE=500000
   
   ---- press escape -------
   ----save using: wq!------
   

9. Run the below command. This command is required every time you make changes in motadata.service.

   systemctl daemon-reload