Making a Drive Online
You can change the state of a drive to online. In an online state, the drive works normally and is a part of a configured volume.
Attention: When transitioning a drive to an online state manually or forcefully, you lose data on the drive. When adding a drive to an existing volume or replacing a drive in an existing volume, you must manually start the rebuild process, if the rebuild does not automatically start. When the rebuild process is completed, the drive automatically transitions to an online state.