Recover from an Upgrade Failure

You have the option to recover from an upgrade failure by rerunning the upgrade, or perform a fresh installation, and then restore the system from a backup.

1. To rerun the upgrade, follow the steps for the type of upgrade you were attempting.
   • Upgrade EFA from a Single-Node to a Multi-Node Deployment
   • Upgrade EFA on TPVM in a Single-node Deployment
   • Upgrade EFA in a Single-node Deployment
   • Upgrade EFA in a Multi-Node Deployment
   • Upgrade EFA on TPVM in a Multi-Node Deployment
2. To perform a fresh installation and restore the system backup, take the following steps.
   1. Uninstall EFA to remove any components that might have been installed before the upgrade failed.
      • Uninstall EFA on TPVM in a Single-Node and Multi-Node Deployment
      • Uninstall EFA in a Single-Node or Multi-Node Deployment
   2. Follow the steps for the type of installation you need.
      • Install EFA on TPVM in a Multi-Node Deployment
      • Install EFA in a Multi-Node Deployment
      • Install EFA on TPVM in a Single-Node Deployment
      • Install EFA in a Single-Node Deployment
   3. Restore the EFA backup.
      

      efa system restore --backup-tar <filename>.tar.gz

      For more information about backup tar files, see the "EFA System Backup and Restoration" section of the Extreme Fabric Automation Command Reference, 3.1.0 .