Upgrading the CTERA Portal OS Image

To upgrade the Portal OS image on each server

1. Open an SSH session to the CTERA Portal Server.
2. Create an upgrade directory, by entering the following command:

   mkdir –p /usr/local/lib/ctera/CTERA-Portal-v4.1.x-Upgrade

3. Use an FTP client to copy the latest CTERA Portal OS Installer and CTERA Portal to the upgrade directory.
4. Change the current directory to the upgrade directory, by entering the following command:

   cd /usr/local/lib/ctera/CTERA-Portal-v4.1.x-Upgrade

5. Extract the CTERA Portal OS Installer:, by entering the following command:

   tar xf portal-installer-nexenta-4.1.x.tar.bz2

6. Change the current directory to the extracted folder, by entering the following command:

   cd portal-installer-nexenta-4.1.x

7. Start the CTERA Portal OS Installer upgrade, by entering the following command:

   ./install –u

   When the CTERA Portal OS Installer upgrade is complete, you may proceed with the Portal upgrade.