2V0-21.23 Question 193
Single answerAn administrator is configuring a vSphere cluster with both VMware High Availability (HA) and Distributed Resource Scheduler (DRS). They want to ensure that when a host becomes unhealthy due to hardware issues, virtual machines are proactively migrated to healthier hosts before a failure occurs. Which advanced configuration should the administrator enable to achieve this?
- A
Enable Admission Control and set it to 'Host Failures Cluster Tolerates'.
- B
Enable Proactive HA and configure it to 'Automated'.
- C
Set DRS Automation Level to 'Manual'.
- D
Enable Admission Control and set it to 'Percentage of Cluster Resources Reserved'.
Show answer and explanation
Correct answer: B
Explanation
Proactive HA is designed to monitor hardware health and move virtual machines off hosts with detected hardware issues before a failure occurs. Configuring Proactive HA in 'Automated' mode ensures that the migration process happens without manual intervention, meeting the administrator's requirement to proactively handle host health issues.
- A. Incorrect.
Enabling Admission Control and setting it to 'Host Failures Cluster Tolerates' ensures reserved capacity for failover but does not proactively migrate virtual machines when a host becomes unhealthy.
- B. Correct.
Enabling Proactive HA and configuring it to 'Automated' allows the system to detect hardware health issues and proactively migrate virtual machines to healthier hosts before failures occur, addressing the scenario's requirements.
- C. Incorrect.
Setting DRS Automation Level to 'Manual' requires administrator intervention for migrations and does not provide proactive health-based migrations.
- D. Incorrect.
Enabling Admission Control and setting it to 'Percentage of Cluster Resources Reserved' ensures resource availability for failover but does not include proactive migration features.