Downgrading the USG6320 doesn't work using GUI via one-click option

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When the customer was trying to downgrade from V500R001C60SPC300 to usg6000v500r001c30spc600.bin , after uploading the firmware he was receiveing an error that says it can't be set as startup software.
Solution�?The system software file of versions earlier than V500R001C50 does not include any digital certificate. To load the system software file of an early version, run the set system-software check-mode all command to set the mode for verifying system software integrity to all. Otherwise, the file cannot be used for the next startup.

The set system-software check-mode all command takes effect once. After the system restarts, the mode for verifying system software integrity is restored to default.

The command is not included in the configuration file. To view the configuration of the command, run the display system-software check-mode command.

system

[sysname] set system-software check-mode all

Info: Succeeded in setting the check-mode all.


After applying the above command, the downgrade was possible.

Other related questions:
One-click information collection by using the MM910
One-click information collection method of the E9000 server: Log in to the MM910 WebUI, and choose System Management > SEL Information > SMM to collect information in one-click mode. For details, visit the following link: http://support.huawei.com/ehedex/pages/DOC1000053358YEF0907R/08/DOC1000053358YEF0907R/08/resources/en/cbb/troubleshooting/it_troubleshooting_00037.html

Performing one-click information collection on the BMC
Server one-click information collection method: ? iMana: Run the ipmcset -t maintenance -d imtool command. For details, see http://support.huawei.com/ehedex/pages/DOC1000010818YEE0409N/18/DOC1000010818YEE0409N/18/resources/en/cbb/troubleshooting/it_troubleshooting_00035.html. ? iBMC: On the iBMC WebUI, choose Information > Summary > Shortcuts > One-Click Info Collection. For details, see http://support.huawei.com/ehedex/pages/DOC1000010818YEE0409N/18/DOC1000010818YEE0409N/18/resources/en/cbb/troubleshooting/it_troubleshooting_00036.html.

One-click reprotection supported by the OceanStor ReplicationDirector
The OceanStor ReplicationDirector (mainstream version: V100R003C10) supports one-click reprotection. The one-click reprotection function protects data at the disaster recovery site after successful device recovery at the production site, simplifying failback.

Using a one-click operating system installation disk as a standard installation disk
The following uses the IBM one-click operating system installation disk as an example to describe how to use a one-click operating system installation disk as a standard installation disk. The procedure is as follows: Ensure that the RAID configuration is complete. Insert the SUSE Linux 11 SP1 one-click installation CD-ROM and restart the server. Wait about 5 minutes. The system restarts, and the SUSE Linux Enterprise Server window is displayed. Use the arrow keys to select the installation mode (install linux for 7 hard disks for example). Press the Backspace key to delete the contents after Boot Options. Press Enter. The subsequent installation procedure is the same as that for installing the operating system using a standard operating system installation disk.

Problem and solution when the USG6000 virtual system cannot be configured
Check the permission of the administrator account used for login. If you use the root system administrator account to configure the virtual system, the level of the root system administrator shall be the system administrator. If you use the virtual system administrator account to configure the virtual system, the level of the virtual system administrator shall be the system administrator or the configuration administrator with the read and write permissions. Choose System > Admin > Administrator Role and configure the administrator account.

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