The following registry value can be used to force Veeam ONE v10 or v10A to use an alternate vSAN data collection method to mitigate vSAN impact.
Create the following registry value on the Veeam ONE server.
Key Location: HKLM\SOFTWARE\Veeam\Veeam ONE Monitor\Service\
Value Name: VsanLowLevelApi
Value Type: DWORD (32-Bit) Value
Value Data: 0
Restart the Veeam ONE services afterward.