Installing Updates to Integrated Manager for Lustre software
Note: Perform any OS update prior to updating the Integrated Manager for Lustre software.
Note: Updates are only supported for official releases. Updates from, or to, test releases are not specifically supported.
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 Integrated Manager for Lustre software.
Upgrading Integrated Manager for Lustre software and restarting the manager server will overwrite any changes previously made to the chroma-manager.conf template. Depending on the version of IML that is running, this template will reside in one of two places:
- Apache Config Directory:
/etc/httpd/conf.d/chroma-manager.conf
- Nginx Config Directory:
/etc/nginx/conf.d/chroma-manager.conf
Make sure to backup this configuration file before performing any upgrades or restarting the manager node.
IML 2.x.x Upgrades
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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.
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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.
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If your currently installed software version is 2.2.0.2 or later, update directly to version 4.0.10.0.
IML 3.x.x Upgrades
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If your currently installed software version is between 3.0.x and 3.1.0.2, update to version 3.1.1 first. Then perform the following consecutive updates in the remaining steps.
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If your currently installed software version is 3.1.1, update directly to version 4.0.10.0 using these instructions.
Performing a version downgrade or rollback is not supported.
To install an update of Integrated Manager for Lustre software on the manager server and then all file system managed servers, do the following:
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Stop the file system. To do this, click Configuration > File Systems. Then under Actions, click Stop.
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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.
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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.
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After the updated Integrated Manager for Lustre software is installed, point your web browser to the Integrated 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.
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With the updated release of Integrated Manager for Lustre software installed on 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.
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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.
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When all servers have been updated, restart the file system(s) that were stopped for this update.