The erase process is divided into a logical erase and a physical erase.

Thus, a physical erase can be performed independently of a logical erase and can be performed at an appropriate timing considering the other processes.

First, disks are logically wiped by authorized individuals using a process approved by the Google Security Team.

First, authorized personnel perform the logical removal of the content of the disks according to the process that has been approved by the Google security team.