Prior to PowerScale Upgrade Determine which process to follow

Check the Feature Release Compatibility table in the appropriate Eyeglass Release Notes to ensure cluster release compatibility listing is supported for the cluster configuration upgrade for the source and destination cluster.

There are procedures to complete before and after a Onefs upgrade, the different scenario's are upgrade OneFS to a Major new release  or a Minor release.  Follow the guide based on your scenario.

1. If your upgrade process will always have the source and destination cluster in a supported configuration AND upgrade does not change version first 2 digits (for example 7.2.1.1 upgrade to 7.2.1.2 or 8.0.x to 8.0.x, 9.x), follow instructions for Supported Eyeglass functionality when a Cluster OneFS Upgrade is between Minor Release Version .
2. If your upgrade process is for OneFS 7.2.x to OneFS 8.0.x or 8.2, 9.x follow instructions for Supported Eyeglass functionality when a Cluster OneFS Upgrade is between Major Release Version .
3. If your upgrade process will result in source and destination cluster being in an unsupported configuration at any point follow instructions for Eyeglass functionality that will be Impacted DURING a Cluster OneFS Upgrade.