Alcatel-Lucent 6850-U24X User Manual
22
Files and Directories
June 2007
Working and Certified
Directories
Directories
OmniSwitch 6850 Series switches offer flash memory with
8 MB base ROM space and 64 MB extended ROM. This mem-
ory is used to store files, including boot and image files, that
are used for switch operations.
8 MB base ROM space and 64 MB extended ROM. This mem-
ory is used to store files, including boot and image files, that
are used for switch operations.
The /flash directory contains two subdirectories: /working and
/certified. These directories work together to provide the
image rollback resiliency feature. Image rollback allows the
switch to return to a prior “last known good” version of soft-
ware in the event of a system software problem.
/certified. These directories work together to provide the
image rollback resiliency feature. Image rollback allows the
switch to return to a prior “last known good” version of soft-
ware in the event of a system software problem.
Working Directory
The /flash/working directory is intended for software that is
still being configured for your network. Changes made while
configuring your switch are saved to the boot.cfg file in the
/flash/working directory.
still being configured for your network. Changes made while
configuring your switch are saved to the boot.cfg file in the
/flash/working directory.
Once the /flash/working directory’s configuration and image
files are road-tested and considered valid and reliable for your
network, they can be copied to the /flash/certified directory.
files are road-tested and considered valid and reliable for your
network, they can be copied to the /flash/certified directory.
Working Directory
Intended for: Files that are being configured
and tested. Once these files are considered
valid and reliable, they can be copied to
the Certified directory.
On reload: If the Working and Certified
directories are identical, the switch will
automatically run from software in this
directory. If the two directories are not
identical, you can instruct the switch to run
from the Working directory by issuing the
reload working command.
and tested. Once these files are considered
valid and reliable, they can be copied to
the Certified directory.
On reload: If the Working and Certified
directories are identical, the switch will
automatically run from software in this
directory. If the two directories are not
identical, you can instruct the switch to run
from the Working directory by issuing the
reload working command.
Saving changes: You can save config-
uration changes to the Working directory
via the write memory command.
uration changes to the Working directory
via the write memory command.