- 13 Dec 2024
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Remove Data from Nonvolatile Memory
- Updated on 13 Dec 2024
- 5 Minutes to read
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Soft Removal of User Data from Nonvolatile Memory
Removes files and installs factory default configuration on flash disk.
Restore Factory Default Configuration
Shutdown Nodegrid device and power off.
To remove the device from the network, disconnect Ethernet cables.
Disconnect any USB storage device and USB network device connected to Nodegrid device.
To access Nodegrid unit, use one of these options:
Connect a terminal/workstation to the Nodegrid console port (RJ-45 console adapter) and a straight-through network cable.
Connect a HDMI monitor (HDMI port) and USB keyboard (USB port).
Power on the device.
On the following menu, select Nodegrid Manager - Rescue Mode.
**************************************************************************** *Nodegrid Manager <version> * *Nodegrid Manager <version> - Factory Default Settings * *Nodegrid Manager <version> - Rescue Mode <-- * *Nodegrid Manager <version> - Network boot * *Nodegrid Manager <version> (verbose) * * * * * * * * * * * **************************************************************************** ` Use the * and * keys to select which entry is highlighted. Press enter to boot the selected OS, `e' to edit the commands before booting or `c' for a command-line.`
At the prompt ("bash-4.3#"), run this command (erases all files and loads factory configuration):
apply_settings --factory-and-cleanlogs -f -h
Wait for this message:
Text
Apply factory settings completed. INIT: Switching [ ... ] reboot: System halted
Power off the unit.
Hard Removal - Secure Erase
This completely erases the flash disk. This procedure destroys ALL data on flash disk and render it unrecoverable even by data recovery services. After that, the Nodegrid software must be reinstalled via network.
Fully Erase Nonvolatile Memory
Shutdown Nodegrid device and power off.
To remove the device from the network, disconnect Ethernet cables.
Disconnect any USB storage device and USB network device connected to device.
To access Nodegrid unit, use one of these options:
Connect a terminal/workstation to the Nodegrid console port (RJ-45 console adapter) and a straight-through network cable.
Connect a HDMI monitor (HDMI port) and USB keyboard (USB port).
Power on the device.
When the BIOS setup page appears, press the 'Esc' key.
In the Grub Menu, select Nodegrid Platform - Secure Erase.
Text
GNU GRUB version 2.00 +--------------------------------------------------------------------------+ |Nodegrid Platform - Chain boot | |Nodegrid Platform - Rescue Mode | |Nodegrid Platform - Secure Erase <-- | | | | | | | +--------------------------------------------------------------------------+ `Use the ^ and v keys to select which entry is highlighted. Press enter to boot the selected OS, `e' to edit the commands before booting or `c' for a command-line.`
Type erase to permanently erase all data from the system:
Text
Nodegrid Boot live - Secure Erase This action will completely erase the system. Using this procedure will destroy ALL data on the SSD and render it unrecoverable even by data recovery services. After executing this step, system software will no longer exist and must be reinstalled via network. Type 'erase' to secure erase the SSD or 'cancel' to reboot:
Note:
Secure Erase requires the device be power cycled (powered off and powered on) prior to the erase command execution. Otherwise, the following message displays and the system halts to allow the power cycle to be done.
Operation not supported. Unit must be power cycled prior to erase command. Wait for system halt and power cycle the unit. [ 4.614365] reboot: System halted
Confirming Secure erase.
Secure erase cannot be canceled once confirmed. Type 'yes' to confirm secure erase:
Wait for the following message:
'System halted'. Secure erase of SDD will start now… security_password="PasSWorD" /dev/sda: Issuing SECURITY_SET_PASS command, password="PasSWorD", user=user, mode=high security_password="PasSWorD" /dev/sda: Issuing SECURITY_ERASE command, password="PasSWorD", user=user Secure erase completed. System halting… [ 29.083186] reboot: System halted
Power off the unit.
You can find a copy of the Letter of Volatility here.