What is true regarding datastores on ESXi 6.x?
A.
NFS 4.1 datastore does not support Fault Tolerance (FT)
B.
VMFS3 and VMFS5 datastores can be newly created
C.
NFS datastore can be concurrently mounted using NFS 4.1 on one host and NFS on another
D.
NFS 3.0 datastore does not support Fault Tolerance (FT)
Explanation:
VMs on NFS v4.1 support FT, as long as it is the new FT mechanism introduced in 6.0.
VMs running on NFS v4.1 do not support the old, legacy FT 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 (now known as legacy FT), with different requirements and characteristics (including a limitation of single
vCPUs for legacy FT VMs).
http://vsphere-land.com/news/nfs-4-1-support-in-vsphere-limitations-and-caveats.html
NFS 4.1 supports FT so option C probably. NFS datastore can be concurrently mounted using NFS 4.1 on one host and NFS on another although it is not recommended.
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Agreed with Alex
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Fault tolerance supported on 4.1:
https://docs.vmware.com/en/VMware-vSphere/6.0/com.vmware.vsphere.storage.doc/GUID-8A929FE4-1207-4CC5-A086-7016D73C328F.html
correct answer is B because creation of vmfs3 on 6.x isnt supported:
https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2093576
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C is the only answer that makes sense. NFS4.1 & 3 are supported & answer B has nothing to do with the question.
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