Disaster Recovery Using Usb - Alcatel-Lucent OmniSwitch AOS Release 6 Manual

Using the USB Flash Drive
5
Connect the USB flash drive to the CMM; the images will be validated and copied to the /flash/work-
ing directory of the CMM and the switch will reboot from the working directory applying the code
upgrade.
6
Once the switch reboots the auto-copy feature will automatically be disabled to prevent another
upgrade.

Disaster Recovery Using USB

The switch can be configured to boot from the USB flash drive. This can be used if the image files on the
CMM become corrupted, deleted, or the switch is unable to boot from the CMM for other reasons. This
feature is known as disaster recovery and must be enabled prior to being needed. The following is an
example for an OmniSwitch 9000 using the
1
-> usb enable
2
-> usb disaster-recovery enable
3
Create a directory named 9000/certified on the USB flash drive with all the proper image files.
4
Ensure the OmniSwitch is stopped in uboot/miniboot.
5
Connect the USB flash drive to the CMM. The flash will be reformated and the images will be copied
to the /flash/certified directory of the CMM and the switch will reboot from the certified directory.
6
Now that the switch has been recovered it can be reconfigured as needed.
Note: The OmniSwitch must have a properly working 6.4.3 version of uboot/miniboot to support the
Disaster Recovery feature.
Note: If a backup boot.cfg file is on the USB flash drive it will be copied along with the image files and
can be used to recover the switch configuration.
page 5-34
usb disaster-recovery
OmniSwitch AOS Release 6 Switch Management Guide
Managing CMM Directory Content
command:
July 2010