Review these upgrade options when you upgrade to Oracle Grid Infrastructure 26ai.

Supported upgrade paths for Oracle Grid Infrastructure for this release are:

• Oracle Grid Infrastructure upgrade from 19c release to Oracle Grid Infrastructure 26ai.

• Oracle Grid Infrastructure upgrade from 21c release to Oracle Grid Infrastructure 26ai.

Upgrade Oracle Grid Infrastructure include the following:

• Oracle Grid Infrastructure rolling upgrade which involves upgrading individual nodes without stopping Oracle Grid Infrastructure on other nodes in the cluster

• Oracle Grid Infrastructure non-rolling upgrade by bringing the cluster down and upgrading the complete cluster