VMware Updated 5V0-22.21 Exam Questions and Answers by simon

The default health check interval for the vSAN Health services is every 10 minutes. This interval is used by the vSAN Health service to monitor the health of the vSAN cluster and report any anomalies it finds. The vSAN Health service is responsible for running the health checks and if any issues are detected, it will notify the administrator. For more information, see the official VMware guide on vSAN Health Service: https://docs.vmware.com/en/VMware-vSphere/6.7/vsphere-esxi-vcenter-server-67-vsan-health-service-guide.pdf

The two options to control the amount of Capacity Reserve to use the underutilized capacity of -140TB in the cluster of 12 vSAN ReadyNodes & 400TB storage for vSAN internal operations are B. Buffer Reserve and E. Operations Reserve. The Buffer Reserve is used to set the size of the buffer between the available capacity and the consumed capacity, and the Operations Reserve is used to set aside capacity for vSAN internal operations.

The two actions that the vSAN administrator should perform on the staging cluster prior to moving the vSAN nodes to the production cluster are to disable vSAN Services and delete all Disk Groups. According to VMware's Official Guide, "before removing the nodes from the source cluster and adding them to the destination cluster, you must disable vSAN services on the source cluster". Additionally, "before merging clusters together, you must delete all disk groups in the source cluster". This will ensure that the nodes can be successfully moved to the production cluster without any errors or conflicts.

Performance Troubleshooting - Understanding the Different Levels ...

https://blogs.vmware.com/virtualblocks/2019/06/12/vsan-performance-metric-levels/

vSAN Operations Guide | VMware

https://core.vmware.com/resource/vsan-operations-guide

Administering VMware vSAN - VMware vSphere 7.0

https://docs.vmware.com/en/VMware-vSphere/7.0/vsan-703-administration-guide.pdf