6.7

Table Of Contents
Characteristics NFS version 3 NFS version 4.1
Multipathing Not supported Supported through the session trunking
Locking mechanisms Propriety client-side locking Server-side locking
Hardware acceleration Supported Supported
Thick virtual disks Supported Supported
IPv6 Supported Supported for AUTH_SYS and Kerberos
ISO images presented as CD-ROMs to
virtual machines
Supported Supported
Virtual machine snapshots Supported Supported
Virtual machines with virtual disks greater
than 2 TB
Supported Supported
NFS Protocols and vSphere Solutions
The following table lists major vSphere solutions that NFS versions support.
vSphere Features NFS version 3 NFS version 4.1
vMotion and Storage vMotion Yes Yes
High Availability (HA) Yes Yes
Fault Tolerance (FT) Yes Yes
Distributed Resource Scheduler (DRS) Yes Yes
Host Profiles Yes Yes
Storage DRS Yes No
Storage I/O Control Yes No
Site Recovery Manager Yes No
Virtual Volumes Yes Yes
vSphere Replication Yes Yes
vRealize Operations Manager Yes Yes
NFS 4.1 and Fault Tolerance
Virtual machines on NFS v4.1 support the new Fault Tolerance mechanism introduced in vSphere 6.0.
Virtual machines on NFS v4.1 do not support the old, legacy Fault Tolerance mechanism.
In vSphere 6.0, the newer Fault Tolerance mechanism can accommodate symmetric multiprocessor
(SMP) virtual machines with up to four vCPUs. Earlier versions of vSphere used a different technology for
Fault Tolerance, with different requirements and characteristics.
vSphere Storage
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