Upgrading or Restoring Express Builder4-6 Express5800/ftServer: System Administrator’s Guide for the Linux Operating SystemIf the operating system reinstallation failed or you want to return the system to theprevious operating system version, see ‘‘Recovering from a Failed Software Upgrade’’on page 4-8.Your system should now have the same version of operating system software installedas it had previously. But since it has no Express Builder software, its fault-tolerantfeatures are not operational, so you must upgrade or restore Express Builder on yoursystem. See ‘‘Upgrading or Restoring Express Builder’’ on page 4-6.Upgrading or Restoring Express BuilderPrepare for the Express Builder upgrade using this checklist:Before performing an upgrade to a system in use, perform a complete file systembackup.Stop ftlSNMP services before upgrading the Express Builder.If you upgrade the firmware to support the new Express Builder version, backup theBIOS and BMC firmware files on your system. If the upgrade fails or if you chose toreturn to the previous Express Builder version after the upgrade, you will need thesefiles to return the firmware to its earlier versions.If you must restore an installation whose system files are corrupt, this upgrade mayfail. To ensure that Express Builder is performing correctly, you should either performa complete Express Builder reinstallation or restore the system from backups.Carefully read the current Release Notes: Express5800/ftServer for the LinuxOperating System document on http://support.necam.com. DistributionRelease Notes may have been updated with information about restrictions orproblems and workarounds, software updates, and document corrections thatRelease Notes from earlier distribution CDs do not have.To update or reinstall Express5800/ftServer system software for the Linuxoperating system1. Make sure that you have a backup system disk, in case the installation fails or youwant to return to the previous version of Express Builder. See ‘‘Creating a BackupSystem Disk’’ on page 4-7 for details.2. Ensure that your system is prepared for the upgrade by checking the items in‘‘Pre-Installation Checklist’’ on page 2-7.3. If you are upgrading to a new version of Express Builder, skip this step and go to step4. If you want to reinstall the same Express Builder version that is currently installed (forexample, to ensure that it is not corrupted), you must remove the currently installedExpress Builder packages by typing the following commands:
