Where does Fault Tolerance store the primary and secondary virtual machine files?
A.
Only local storage
B.
Only shared storage
C.
Both shared and local storage
D.
SSD
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C
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C
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C
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Answer is C
New version of FT keeps the Separate copies of VM files like .VMX, .VMDk files to protect primary VM from both Host and Storage failures. You are allowed to keep both Primary and Secondary VM files on different datastore.
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https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1010631
The virtual machine must reside on shared storage. This is storage that is visible to all ESX hosts in the cluster
B.
Only shared storage
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Answer is B – this is from the above KB article.
There are several important considerations relative to storage for VMware Fault Tolerance. Ensure each of the following are configured for your environment to enable VMware Fault Tolerance:
The virtual machine must reside on shared storage. This is storage that is visible to all ESX hosts in the cluster.
Storage must be FC SAN, iSCSI or NFS, but not local storage.
Virtual RDMs are supported, but Physical RDMs are not.
Virtual Disk files must be Thick Provisioned. For more information, see Turning on, or enabling Fault Tolerance for a powered on virtual machine with lazyzeroed disks fails (1009866).
Virtual machines cannot have snapshots. If there are snapshots, these must be committed before proceeding.
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Answer C
This KB article is valide for vsphere 5.x.
On vsphere 6.x you can do this operation.
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B , You won’t be able to setup FT if you choose local storage for primary or secondary.
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I have read that in vsphere 6 you can use local storage for FT and the explanation make sense
http://www.hoonkar.com/main/12-vmware-vsphere-6-0-fault-tolerance-main-points
https://communities.vmware.com/thread/504975
But I am reading the version of the availability guide for 6.X and it has not been updated
https://docs.vmware.com/en/VMware-vSphere/6.5/vsphere-esxi-vcenter-server-65-availability-guide.pdf
I would go for C anyway
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B
Agree with Rob, focus on the vSphere Availability doc 6.5, p48 :
https://docs.vmware.com/en/VMware-vSphere/6.5/vsphere-esxi-vcenter-server-65-availability-guide.pdf
“Virtual machine files (except for the VMDK files) must be stored on shared storage. Acceptable shared storage solutions include Fibre Channel, (hardware and software) iSCSI, NFS, and NAS.”
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