Perform a rolling upgrade using the web administration interface
You can use the web administration interface to upgrade the version of
OneFS that is running on the cluster.
You must download the
OneFS installation imageOneFS installation image. The installation image is used to run compatibility checks. You must download the image and run the checks before upgrading. You must resolve any compatibility issues found by the checks before upgrading.
Log in to any node in the cluster through the web administration interface with the root account.
Click
Cluster Management > Upgrade.
Click
Upgrade
OneFS.
Browse to the location of the installation image that you want to install. The file path must be accessible in an
/ifs directory. Then click
Select.
In the
Upgrade Type list, select
Rolling Upgrade.
Under
Nodes to Upgrade, specify an upgrade option:
To upgrade all the nodes in the cluster, click
All nodes.
To upgrade specific nodes, click
Specify nodes and reboot order.
NOTE:We recommend that you upgrade all the nodes. If you upgrade some nodes, a weekly alert is sent to confirm that the upgrade is making progress. Do not leave the cluster in a partially upgraded state for a prolonged period. Some new features in the upgrade might not be available until all the nodes in the cluster have been upgraded and the upgrade is committed. Refer to the release notes for the
OneFS version that you are upgrading to for information about features that require all the nodes to be upgraded.
If you are upgrading specific nodes, select the node or nodes in the
Nodes Available for Upgrade list, and then click
Add.
The selected node or nodes are added to the
Nodes Selected for Upgrade section. To arrange the nodes in the preferred restart order, click the arrows next to the nodes in the
Nodes Selected for Upgrade section.
NOTE:In OneFS 9.2.0.0 and later, the restart order is ignored. Instead, OneFS restarts any node that is ready, as long as only one node is restarting at a time. This process allows for quicker rolling upgrades.
Optional: To skip the pre-upgrade checks for compatibility issues, select
Skip optional pre-upgrade checks.
NOTE:It is recommended that you run the optional pre-upgrade checks. Before starting an upgrade,
OneFS checks that your cluster is healthy enough to complete the upgrade process. Some of the pre-upgrade checks are mandatory, and will be performed even if you choose to skip the optional checks. All pre-upgrade checks contribute to a safer upgrade.
Click
Start Upgrade.
The cluster might display several confirmation messages. Confirm each message to continue the upgrade process.
NOTE:In 9.2.0.0 and later, you can use the upgrade status screen to monitor the progress of your upgrade and view connected clients.
After the upgrade, a number of upgrade-related jobs may continue to run on the cluster for some time. During this time, the cluster is accessible, but you might experience a decrease in cluster performance. After the jobs complete, performance will return to normal. At this stage, the upgrade is complete, but is not committed. You can still roll back to the previous version of
OneFS. Some new features in the upgrade might not be available until the upgrade is committed.
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