NFSv3 serializes I/O across threads/processes on one machine. However, most Linux based NFS servers and commercial servers also support the NFSv4.1 protocol which allows parallel I/O from threads/processes on the same node.

If NFS is chosen as the storage option, FortiSIEM mounts the NFS partition using NFSv3 protocol by default.

If Elasticsearch is chosen as the Event Database, the Supervisor needs an additional 8 GB RAM - in this case, the minimum requirement of the Supervisor is 32 GB RAM.

NFS Server on Windows is not supported.

This document describes how to set up and configure NFS servers for use with FortiSIEM. For cluster deployments using Workers, the use of an NFS Server is required for the Supervisor and Workers to communicate with each other. When you install FortiSIEM, you have the option to use either local storage or NFS storage.

Unmount the NFS 3 datastore, and then mount as NFS 4.1 datastore.Installing NFS Server for FortiSIEM Event Storage.

For more information, contact your storage vendor.

Use conversion methods provided by your NFS storage server.

Create the NFS 4.1 datastore, and then use Storage vMotion to migrate virtual machines from the old datastore to the new one.

If you want to upgrade your NFS 3 datastore, the following options are available: These functionalities include vVols, hardware acceleration, and so on.ĮSXi does not support automatic datastore conversions from NFS version 3 to NFS 4.1. When you upgrade ESXi from a version earlier than 6.5, existing NFS 4.1 datastores automatically begin supporting functionalities that were not available in the previous ESXi release. NFS 4.1 VMs do not support the legacy Fault Tolerance mechanism. The mechanism can accommodate symmetric multiprocessor (SMP) virtual machines with up to four vCPUs. Virtual machines on NFS 4.1 support the new Fault Tolerance mechanism that was introduced in vSphere 6.0. You can use Site Recovery Manager with NFS v 4.1 datastores for vSphere Replication. Site Recovery Manager does not support NFS 4.1 datastores for array-based replication and vVols replication. The following table lists major vSphere solutions that NFS versions support. Virtual machines with virtual disks greater than 2 TB

ISO images presented as CD-ROMs to virtual machines The following table lists capabilities that the NFS version 3 and 4.1 support.

To support both versions, ESXi uses two different NFS clients. ESXi supports NFS protocols version 3 and 4.1.

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