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An administrator is responsible for managing a 5-node vSAN 7.0 cluster. The vSAN Cluster is configured with both vSphere High Availability (HA) and vSphere Distributed Resource Scheduler (DRS). The vSAN Cluster is currently hosting 150 virtual machines that have consumed 60% of the usable capacity. Each virtual machine belongs to one of the following vSAN Storage Policies: vSANPolicy1: • Site Disaster Tolerance: None • Failures to Tolerate: 1 failure - RAID5 (Erasure Coding) vSANPolicy2: • Site Disaster Tolerance: None • Failures to Tolerate: No data redundancy Following an unplanned power event within the data center, the administrator has been alerted to the fact that one host has permanently failed. What will be the impact to any virtual machine that was running on the failed host using vSANPolicy1?
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Question 146 - 5V0-22.21 discussion

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A single disk in a vSAN disk group suffers from an unrecoverable hardware failure. This causes vSAN to set the health status for all disks in the group to Permanent disk loss, indicating disk failure. All other disks, however, have not suffered from a hardware failure.

Why would vSAN mark all disks in this manner?

A.
The vSAN disk management service has failed.
Answers
A.
The vSAN disk management service has failed.
B.
The key management server is offline.
Answers
B.
The key management server is offline.
C.
Deduplication and compression are enabled.
Answers
C.
Deduplication and compression are enabled.
D.
The affected vSAN node is offline.
Answers
D.
The affected vSAN node is offline.
Suggested answer: D

Explanation:

If a single disk in a vSAN disk group suffers from an unrecoverable hardware failure, vSAN will mark all disks in the group with a Permanent disk loss status. This is because vSAN uses a technique called "failure domains" to ensure data availability and protect against data loss. A failure domain is a group of disks that are considered a single point of failure. If a disk in a failure domain fails, all other disks in that failure domain are also considered failed. This is to protect against further data loss in the event of a second failure in the same failure domain.

Reference:

VMware vSAN 6.7 Documentation > vSAN > vSAN Operations > Managing vSAN > Understanding and Managing Failure Domains in vSAN VMware vSAN 6.7 Documentation > vSAN > vSAN Operations > Managing vSAN > Understanding Health and Performance > Understanding Disk Group Health

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asked 16/09/2024
Eddie Martinez
36 questions
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