QUESTION: 5

A storage administrator discovers vSAN is rebalancing components across a cluster randomly and faces degraded performance on the applications.
What should be done to avoid these issues?

Size at least two disk groups on each node
Maintain a minimum of 10 percent unused capacity
Keep total storage consumption <70 percent
Ensure there is sufficient queue depth on the I/O Controller

Answer(s): A

Reference:

https://www.vmware.com/content/dam/digitalmarketing/vmware/en/pdf/products/vsan/vsan-troubleshooting-reference-manual.pdf (24)

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QUESTION: 6

What is the purpose of slack space in vSAN?

Increases overall vSAN capacity
Allows for maintenance and failure operations
Stores vSphere HA heartbeats
Provides vSAN analytic data

Answer(s): B

Reference:

https://storagehub.vmware.com/t/vmware-vsan/vmware-r-vsan-tm-design-and-sizing-guide-2/how-much-slack-space-should-i-leave-1/

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The objects on a 4-node vSAN cluster are assigned a RAID-5 policy. A network outage occurs causing host one to lose connectivity with the rest of the cluster. Seventy-five minutes elapse.
What is the health state of the objects?

Reduced availability with no rebuild
Reduced availability with no rebuild – delay timer
Non-availability related incompliance [non-compliance]
Reduced availability

Answer(s): D

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QUESTION: 8

A vSAN 5-node cluster has two sets of VMs, each associated with a separate storage policy.
-Group A (Storage Policy: FTT=0)
-Group B (Storage Policy: FTT=2)

What are two possible results when two hosts in the vSAN cluster fail permanently? (Choose two.)

VMs in Group B will become inaccessible if a third host permanently fails.
vSAN will rebuild data associated with Group A.
VMs in Group A might experience data inaccessibility.
VMs in Goup B might experience data loss.
A host can be put into maintenance mode without impacting VMs in either Group A or B.

Answer(s): C,D

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QUESTION: 8