The files in ACU2 couldn't been displayed and the configuration also cannot been saved ,When runing the commands the error occured .
<ACU2>dir
Info: File can't be found in the directory
1,951,112 KB total (1,508,020 KB free)
<ACU2>dir flash:
Info: File can't be found in the directory
1,951,112 KB total (1,508,020 KB free)
<ACU2>save
The current configuration will be written to the device.
Are you sure to continue? (y/n)[n]:y
It will take several minutes to save configuration file, please wait...................................................................................................
Error: Failed to save configuration, the reason: Failed to write
Root cause :
Abnormally power fail during flash writing can easily caused parts of logic data block error in eusb storage disk ,when trying to visit it and the device shows nothing .
Solution :
<!--[if !supportLists]-->a. <!--[endif]-->Backup the software ,patch ,license, configuration and other important files.
<!--[if !supportLists]-->b. <!--[endif]-->Format the flash in bootrom menu and reinstall the version ,patch of ACU2 ,(the operation procedure was shown in this email below )
<!--[if !supportLists]-->c. <!--[endif]-->Dir/save to verify the result .
