E2161 Cmd Rej: Removable drive contains Eagle data (use FORCE=YES)
To format a drive that already contains EAGLE data, the force=yes parameter must be specified.
Recovery
Ensure that the removable drive is in the correct location. Refer to Database Administration - Systems Management User's Guide for assistance.
Re-enter the format-disk command that generated this error message, specifying a valid combination of parameters. Refer to the command description in Commands User's Guide for assistance.
Caution:
Contact My Oracle Support before entering the format-disk command. See My Oracle Support (MOS).