In certain scenarios, the operator is unable to respond to new operations:

1. When PHASE is in the Deleting state, indicating an ongoing deletion process.
2. When PHASE is in the Locked state, signifying that it is currently under lock.
3. When PHASE is in the Upgrading state and STAGE is in the RebalanceStart, RebalanceWatch, and Clean states, interruption is not possible. This indicates that data migration is actively in progress at this moment.