NFS Storage Guidelines and Requirements

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When you use NFS storage, follow specific guidelines related to NFS server configuration, networking, NFS datastores, and so on.

NFS Server Configuration
When you configure NFS servers to work with ESXi, follow recommendation of your storage vendor. In addition to these general recommendations, use specific guidelines that apply to NFS in vSphere environment.
NFS Networking
An ESXi host uses TCP/IP network connection to access a remote NAS server. Certain guidelines and best practices exist for configuring the networking when you use NFS storage.
NFS File Locking
File locking mechanisms are used to restrict access to data stored on a server to only one user or process at a time. NFS 3 and NFS 4.1 use incompatible file locking mechanisms.
NFS Security
With NFS 3 and NFS 4.1, ESXi supports the AUTH_SYS security. In addition, for NFS 4.1, the Kerberos security mechanism is supported.
NFS Multipathing
While NFS 3 with ESXi does not provide multipathing support, NFS 4.1 supports multiple paths.
NFS and Hardware Acceleration
Virtual disks created on NFS datastores are thin-provisioned by default. To be able to create thick-provisioned virtual disks, you must use hardware acceleration that supports the Reserve Space operation.
NFS Datastores
When you create an NFS datastore, make sure to follow specific guidelines.

Parent topic: Understanding Network File System Datastores

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