If the OS of an ECS fails to start or requires optimization, reinstall the OS.
If the ECS is not in the Stopped or Reinstallation failed state, stop the ECS before proceeding with reinstallation.
The following OSs are charged:
If the target ECS uses key authentication, you can replace the original key pair.
A temporary ECS is created during the reinstallation process. After reinstallation, this ECS will automatically be deleted. Do not perform any operation on the temporary ECS during the reinstallation process.