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Question 77 - 5V0-22.21 discussion

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A vSAN storage policy with the 'Failures lo Tolerate" rule set to "2 failures - RA1D-1 {Mirroring)" is assigned to multiple virtual machines.

The vSAN administrator is considering assigning a new vSAN storage policy with the "Failures to Tolerate' rule set lo '2 failures - RAID-6* (Erasure Coding)" to the virtual machines.

How will the capacity of the vSAN datastore be affected if this action is taken?

A.
Free capacity is permanently reduced after the Object Repair Timer expires.
Answers
A.
Free capacity is permanently reduced after the Object Repair Timer expires.
B.
Additional capacity is permanently consumed by the erasure coded components.
Answers
B.
Additional capacity is permanently consumed by the erasure coded components.
C.
Used capacity will increase temporarily while the erasure coded components are built.
Answers
C.
Used capacity will increase temporarily while the erasure coded components are built.
D.
Additional free capacity will be available for immediate use.
Answers
D.
Additional free capacity will be available for immediate use.
Suggested answer: C

Explanation:

Used capacity will increase temporarily while the erasure coded components are built. When a vSAN storage policy with 'Failures to Tolerate' set to '2 failures - RAID-6 (Erasure Coding)' is assigned to multiple virtual machines, the components of the objects stored on the vSAN datastore will be rebuilt in an erasure coding format, which requires additional capacity. This additional capacity will be used temporarily while the erasure coded components are built, and will be reclaimed once the process is complete.

https://core.vmware.com/resource/vsan-2-node-cluster-guidevSAN 2-Node

Cluster Guide | VMware

https://core.vmware.com/resource/vsan-2-node-cluster-guide

https://douran.academy/wp-content/uploads/ebooks/vcp-dcv-for-vsphere-7.x.pdf

VCP-DCV for vSphere 7.x (Exam 2V0-21.20) Official Cert Guide, 4th ...

https://douran.academy/wp-content/uploads/ebooks//vcp-dcv-for-vsphere-7.x.pdf

https://core.vmware.com/resource/vsan-70u3-proof-concept-guide

vSAN 70u3 Proof of Concept Guide | VMware

https://core.vmware.com/resource/vsan-70u3-proof-concept-guideAccording to the VMware vSAN documentation, when a vSAN storage policy with 'Failures toTolerate' set to '2 failures - RAID-6 (Erasure Coding)' is assigned to multiple virtual machines, thecomponents of the objects stored on the vSAN datastore will be rebuilt in an erasure coding format,which requires additional capacity. This additional capacity will be used temporarily while theerasure coded components are built, and will be reclaimed once the process is complete.

You can find this exact text in the VMware vSAN 6.6 Documentation, in the section titled 'Storage Policies': https://docs.vmware.com/en/VMware-vSphere/6.6/com.vmware.vsphere.vsan.doc/GUIDF54F0A1F-D9E7-46FD-86F8-6F47A6FAE17C.html

asked 16/09/2024
Cesar Castillo
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