User Guide

OmniAccess SafeGuard OS Administration Guide
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Chapter 3: Working with Configuration Files and Upgrading Images
Removing All Data from Memory
Government installations or companies that require mil-spec compliance might need to
completely remove all data from memory before the device can leave the site.
Use the following procedure to perform a military scrub of the NAND and NOR Flash
memory:
1 Connect a serial cable to the management port on the rear panel of the SafeGuard
device.
2 Attach the other end of the serial cable to a properly configured terminal or
terminal emulator.
3 Power cycle the SafeGuard device.
4 When prompted, press any key to display the boot loader prompt.
5 Enter the formatF nand command to completely remove all data from NAND
flash. For example:
Alcatel-Lucent> formatF nand
offset=5000000, size=3000000
Start: 5000000, Num Blocks: 3072
Erasing flash region:
................................................................
................................................................
................................................................
Alcatel-Lucent>
6 Enter the formatVars command to completely remove all data from NOR flash.
For example:
Alcatel-Lucent> formatVars
Erasing flash env variables sector.....
>>> Done
..
Done.
System Time The creation date and time for the system.
CPU Utilization Current CPU utilization, both of the user and the system.
Free Memory The amount of free memory and total memory.
Uptime The amount of time since the last reload.
Protection Mode The protection mode configured for the system. Possible
values are pass-thru, monitor, and protect.
Field Description