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What file lookup request monitoring is (for NFS only)

The FPolicy server receives a notification from the storage system for file lookup operations.

When a file lookup request is made by an NFS client to the storage system, the storage system conducts all the relevant checks on the file. The relevant checks include checking permissions, checking if the file is available, checking if the file is being accessed by some other client, and so on. After the file passes the checks, the request is forwarded to the FPolicy server, if the file extension is included in the FPolicy ext[ension] inc[lude] list. The FPolicy server receives this request and allows or blocks the file lookup request, based on the configuration of the policies.

The file lookup operation should be added to the monitored operations list for the FPolicy server to receive a notification from the storage system. The file lookup operation can be monitored using the CLI or ONTAPI. It can also be set by the FPolicy server using a bitmask.