Upon investigating a workload performance issue, a vSAN administrator observed a high backend IOPs on a vSAN cluster. Which two causes explain this behavior? (Choose two.)

The correct answer is B. There is a vSAN node failure. E. The vSAN policy protection level has changed from FTT=0 to FTT=1. High backend IOPS can be caused by rebuild/resync tasks. https://core.vmware.com/resource/troubleshooting-vsan-performance#_Toc536646878

Troubleshoot and Repair VMware HCI

Question

Options

AThe cluster DRS threshold has been set to Aggressive.
BThere is a vSAN node failure.
CThe vSAN Resync throttling is enabled.
DThe object repair timer value has been increased.
EThe vSAN policy protection level has changed from FTT=0 to FTT=1.

How the community answered

(31 responses)

A
3% (1)
B
77% (24)
C
13% (4)
D
6% (2)

Explanation

High backend IOPS can be caused by rebuild/resync tasks. https://core.vmware.com/resource/troubleshooting-vsan-performance#_Toc536646878

Topics

#backend IOPs#node failure#storage policy change#vSAN resync

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