Hello
At present, no similar problems have been found in the general problems of Windows 11 system:
https://answers.microsoft.com/en-us/windows/forum/all/frequently-asked-questions-windows-11/c97076fc-f361-44ec-9a01-33029ffaa987
Try to update the system to the latest version, and check whether there is an event log corresponding to "create new simple volume" in the event view.
You can also find relevant questions and give feedback in the Feedback Center:
https://support.microsoft.com/en-us/windows/send-feedback-to-microsoft-with-the-feedback-hub-app-f59187f8-8739-22d6-ba93-f66612949332