2V0-621 · Question #196
In a vSphere High Availability cluster, what is the VM Monitoring I/O stats interval default value?
The correct answer is C. 120 seconds. The VM Monitoring I/O stats interval in vSphere HA defaults to 120 seconds, defining the window during which disk or network I/O activity is checked before concluding a VM has failed.
Question
In a vSphere High Availability cluster, what is the VM Monitoring I/O stats interval default value?
Options
- A60 seconds
- B90 seconds
- C120 seconds
- D180 seconds
How the community answered
(22 responses)- B5% (1)
- C91% (20)
- D5% (1)
Why each option
The VM Monitoring I/O stats interval in vSphere HA defaults to 120 seconds, defining the window during which disk or network I/O activity is checked before concluding a VM has failed.
60 seconds is not the default I/O stats interval - it is half the actual default value of 120 seconds and would be a more aggressive setting.
90 seconds is not the default I/O stats interval - it falls between the incorrect 60-second option and the correct 120-second default.
The default VM Monitoring I/O stats interval is 120 seconds. During this window, vSphere HA monitors disk and network I/O activity on the VM - if activity is detected within the interval, the VM is not considered failed even if VMware Tools heartbeats are absent, preventing false-positive restarts for heavily loaded VMs.
180 seconds is not the default I/O stats interval - it exceeds the actual default of 120 seconds and would represent a more lenient monitoring window.
Concept tested: vSphere HA VM Monitoring I/O stats interval default
Source: https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-availability/GUID-A4044A34-4FBE-4DE0-BBB6-8E6D0C53B52B.html
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