Installing Updates to Intel® Manager for Lustre* software

Software Installation Guide Table of Contents

Note: Perform any OS update prior to updating the Intel® Manager for Lustre* software.

Note: Updates are only supported for official releases. Updates from, or to, test releases are not specifically supported.

Upgrading Intel® Manager for Lustre* software and restarting the manager server will overwrite any changes previously made to the chroma-manager.conf template in /etc/httpd/conf.d/. Before upgrading your installation or restarting your manager node, make sure you backup any modifications to this file first.

Due to a dependency in the update process in previous releases, please take note of the following update path. Please perform the following update in the order listed, based on your currently installed version of Intel® Manager for Lustre* software.

  1. If your currently installed software version is 2.0.0.0 , update to version 2.0.1.1 first. Then perform the following consecutive updates in the remaining steps.

  2. If your currently installed software version is 2.0.1.1, update to version 2.2.0.2 first. Then perform the following consecutive updates in the remaining steps.

  3. If your currently installed software version is 2.2.0.2 or later, update directly to version 4.0.0.

Performing a version downgrade or rollback is not supported.

To install an update of Intel® Manager for Lustre* software on the manager server and then all file system managed servers, do the following:

  1. Stop the file system. To do this, click Configuration > File Systems. Then under Actions, click Stop.

  2. Some servers may belong to multiple file systems. This means that if you stop one file system, such a server is still running in support of the other file system(s). Be sure to stop all file systems that share a server with your candidate file system.

  3. Perform the installation procedure herein: Installing Manager for Lustre* software. The installation will detect that this is an update and install the appropriate files. Use that procedure to verify successful installation.

  4. After the updated Intel® Manager for Lustre* software is installed, point your web browser to the Intel® Manager for Lustre* software dashboard. Use Chrome* or Firefox*. Be sure to refresh the browser cache, i.e., force a fresh reload of the updated dashboard.

  5. With the updated release of Intel® Manager for Lustre* software installed at the manager server, a notification is displayed on the Servers page that an update is available for installation on managed servers. On the Servers page, click Install Updates.

  6. Each server row in the table will contain a Selected toggle button in its corresponding Select Server column. Select all servers that you wish to update and click the Install Updates button. This completes the update process for the manager server and all managed servers.

  7. When all servers have been updated, restart the file system(s) that were stopped for this update.

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