DES-7200 Configuration Guide Chapter 5 System Upgrade Configuration
If the target file system has sufficient space to store both new and old program
images, then during the upgrade process, the original boot/main program will be
renamed as "original filename.bak". When the CTRL version is 10.4 or above, this file
will be used as the backup image of new program image. When the new program
image fails, the system will boot with this back image. This can sa
ve the rollback
uired in the case of upgrade failure.
s
sy rd be
deleted using "del" command. While upgrading chassis device with dual
management boards, the file system space of the slave board shall also be verified.
The URL prefix of file system space of the slave board is "slave:".
operation req
When the sy
tem has hardly any residual space, the user will need to clean up the file
er to make sure the upgrade is successful. Unnecessary files can
stem in o
When file system space is insufficient to store two program images,
the backup file of original program image will not be generated.
Caution
Caution
ry files as far as
possible.
Installation of software with version older than 10.4(2) will leave such
xx.bin on the management board of chassis device.
After the software is upgraded to 10.4(2) or higher version, these files
Timely cleanup of file system will facilitate quick completion of
upgrade. When the number and size of files in the file system are
comparatively large, the booting speed of device will be subject to
great influence. Before upgrade, delete unnecessa
files as install_xx
will become useless and shall be deleted manually in order not to
slow down booting speed of system.
5.3.1.3 Backup Configuration File
Backup of configuration files is needed before the upgrade. Since different versions
of software may contain different default configurations, the newly added default
ith the current configurations. In order to ensure
s upgrade, please backup the original configuration file before the upgrade.
configurations may conflict w
uccessful
After successful upgrade, verify whether there is any conflict in configurations.
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