Symptoms
Fresh 2 x AX650 cluster deployment TSR and Cluster Diag info has been provided " Hyper-v Manageability - Online Data retrieval failures occurred " Done some research, but some guidance would be appreciated.
Cause
Cause by corrupted event log Microsoft-Windows-Kernel-IoTrace/Diagnostic
Resolution
Step to disable the event log Microsoft-Windows-Kernel-IoTrace/Diagnostic (Apply on both nodes)1. Log on to the target terminal as a user with administrator privileges.2. Start Windows PowerShell with administrator privileges.3. Execute the following command to check the current value. Command: (Get-Cluster).DumpPolicy Example execution result: PS C:\Users\Administrator> (Get-Cluster).DumpPolicy 13768502014. Convert the above decimal value to binary. (converter tools: https://www.binaryhexconverter.com/decimal-to-binary-converter) *The following are the values in our verification environment, so please use the actual values. Decimal: 1376850201 Binary: 010100100001000100010001000110015. Change the 21st value count from the right to 0 in the above binary number. *The following are the values in our verification environment, so please use the actual values. Current value: 01010010000100010001000100011001 After change: 010100100000000100010001000110016. Convert the above binary value back to decimal. *The following are the values in our verification environment, so please use the actual values. Binary number after change: 01010010000000010001000100011001 Modified decimal number: 13758016257. Execute the following command in Windows PowerShell started with administrator privileges. Command: (Get-Cluster).DumpPolicy= Example execution result: PS C:\Users\Administrator> (get-cluster).DumpPolicy=1375801625 (Nothing is displayed if successful.)8. Confirm that the changed value is output by executing the following command again. Command: (Get-Cluster).DumpPolicy Example execution result: PS C:\Users\Administrator> (Get-Cluster).DumpPolicy 1375801625 9. In Registry Editor, change the following registry data to 0 (disabled). Key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WINEVT\Channels\Microsoft-Windows-Kernel-IoTrace/Diagnostic Name : Enabled Type: REG_DWORD data : 010. Restart the OS, Make sure the event log Microsoft-Windows-Kernel-IoTrace/Diagnostic is disabled.
