5V0-22.23 · Question #130
A vSAN administrator puts a vSAN host into maintenance mode with the option "Ensure Accessibility". Currently the vSAN cluster contains four hosts. In the meantime, another host failure occurs. What…
The correct answer is C. A disaster has already occurred due to the host failure and VMs remain unavailable. When a host is placed in maintenance mode with "Ensure Accessibility", vSAN only moves the minimum data necessary to keep objects accessible, not fully redundant. If another host fails during this time, some objects lose quorum and become inaccessible, causing affected VMs to…
Question
A vSAN administrator puts a vSAN host into maintenance mode with the option "Ensure Accessibility". Currently the vSAN cluster contains four hosts. In the meantime, another host failure occurs. What happens to the vSAN cluster when the host exits maintenance mode?
Options
- ASince there were just two active hosts left, the vSAN cluster cannot be recovered anymore.
- BData availability will be restored and VMs become available again.
- CA disaster has already occurred due to the host failure and VMs remain unavailable.
- DThe host comes back, but the cluster remains in a degraded state of operations.
How the community answered
(21 responses)- A5% (1)
- B10% (2)
- C62% (13)
- D24% (5)
Explanation
When a host is placed in maintenance mode with "Ensure Accessibility", vSAN only moves the minimum data necessary to keep objects accessible, not fully redundant. If another host fails during this time, some objects lose quorum and become inaccessible, causing affected VMs to go offline - a disaster scenario. Even after the maintenance-mode host returns, vSAN cannot automatically recover until the failed host (or its data) is restored, leaving those VMs unavailable.
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