Rolling back a restored system to a previous release

Last Updated : Dec 05, 2024 |
Prolog information
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Use the following order to when rolling back multiple systems:
  1. Roll back the SBC systems in any order. For an HA pair, roll back the secondary SBC first followed by the primary SBC to avoid failover conditions that might interfere with the rollback.
  2. Roll back the secondary EMS first.
  3. Roll back the primary EMS last.
Note:
You can rollback EMS and SBC parallely when rolling back from Release 10.2.1 to Release 10.2.x.
Caution:
When doing a rollback, the rollback can fail if there were operational issues in the previous release to which you are rolling back. To help troubleshoot rollback problems, see Maintaining and Troubleshooting Avaya Session Border Controller.
Before you begin
Download the upgrade files as described in Download upgrade files.
Back up your data on each system. For more information, see Creating a backup before doing an upgrade.
  1. Install primary EMS or SBC with the same management IP address as of the external server IP address where the backup file is saved. For more information, see Deploying Avaya Session Border Controller on a Hardware Platform.
    ADDITIONAL INFORMATION:
    Important:
    The restore process works only on the same appliance type.
  2. Copy the .tar backup file from the external server to the following directory on the installed EMS or SBC:
    ADDITIONAL INFORMATION:
    /archive/backup/upgrade
  3. Enter the following command to create a new restore directory:
    ADDITIONAL INFORMATION:
    mkdir /usr/local/ipcs/temp
  4. Enter the following command to move to the new restore directory:
    ADDITIONAL INFORMATION:
    cd /usr/local/ipcs/temp
  5. Move the uber utility package tar file to the new restore directory:
    ADDITIONAL INFORMATION:
    /archive/restorebkp/
  6. Run the following command to untar the downloaded utility package:
    ADDITIONAL INFORMATION:
    tar -zxvf /home/ipcs/sbce-10.2.1.0-101-24795_uberutility-a3f204497316292399c3483411a761ef.tar.gz
  7. Run the following command to restore data:
    ADDITIONAL INFORMATION:
    ./rollbackmigratebackup /archive/backup/upgrade/sbc1-10.133.48.65-backup-10.2.1.0-101-24795.tar.gz
  8. Run the following commands to change to the location of the directory, list the contents of the directory to make sure you want to remove all of the files, and remove the temporary directory:
    ADDITIONAL INFORMATION:
    cd /archive
    ls
    rm -rf -i restorebkp
  9. Reboot the system.
Next steps
After you successfully complete rollback on the primary EMS:
  1. Delete the secondary EMS from the system.
  2. Install secondary EMS and it will automatically execute the restore information from primary EMS.