Methods for using boards whose FTP function is recovered in BIOS state

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1. Set the PC IP address on the same network segment as that of the NE. Connect the PC to the NM_ETH port of the upgraded NE using a network cable. Run the :cm-set-ftp:open command to enable the FTP function using the Navigator. Open the IE browser and enter the NE IP address ftp://129.9.*.* to log in to the NE.
Character strings such as bd1 and bd10 indicate storage areas of the boards in corresponding slots. Find the board whose hardware version is the same as the faulty one. Copy the files in the osf1\fpga and osf1\hwx folders to the local computer to restore the faulty board.
2. If the desired board is in the slave subrack, run the :cfg-set-dir-map:1-1 (subrack ID-slot ID) command to add a path for the board in the slave subrack. Log in to the NE using the FTP. The board in the slave subrack is displayed.
3. Log in to the faulty NE using the same method and find the faulty board. Copy the local files to the corresponding folder. Generally, boards in BIOS state can still communicate with the SCC board through the internal communication bus. Therefore, the faulty board can be identified using FTP. For most boards, the files in the hwx folder may be missing. For some boards, the files in the fpga file may also be missing. Check whether the files are complete.
4. After files are copied to the destination folder, you need to check whether a logical board exists in the slot of the faulty board through the U2000. If yes, delete the board. Otherwise, the restoration will fail.
5. Remove and re-insert the board. After the board BIOS booting and software loading, the PROG indicator becomes steady green, indicating the board resumes normal operation. Run the :dmm-get-phybd:0 command to query the board status. The board is in SOFT state.

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Method used to recover data on OceanStor 9000 V100R001C01
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How to recover the default BIOS password on CE series switches
By default, the BIOS password of CE series switches is Admin@huawei.com.
In V100R003 and later versions, if you forget the BIOS password, log in to the switch through the console port or using STelnet/Telnet, and run the reset boot password command in the user view to recover the default BIOS password.
<HUAWEI> reset boot password
Warning: The password used to enter the boot menu by clicking Ctrl+B will be restored to the default password, continue? [Y/N]: y
Info: Succeeded in setting password of BIOS to the default password.

Methods used to recover services after the system control board is replaced on the OSN 1800
THE OSN 1800 does not support data downloading. Services can be recovered only by restoring database data.

How to use the TFTP and FTPS tools?
?Method for using the TFTP tool 1. Run the 3CDaemon software. 2. Spread the TFTP Server pane on the left of the main interface, and click Configure TFTP Server to enter the configuration interface. 3. Set Upload/Download (path for storing files) to C:\. ?Method for using the FTPS tool The FileZilla Server software is used as an example. 1. Double-click the icon of the FileZilla Server. The Connect to Server dialog box is displayed. 2. Set the IP address of the server, set the default port number to 14147, and set Administration password to the management server password. Then click OK. 3. Choose Edit > Settings > SSL/TLS settings and click OK. 4. Choose Edit > Users. On the displayed page, configure users. Click Add to add a user and set the user name to admin. Select Password and set the value, for example, to Change_Me. 5. In the Page area, select Shared folders to set the shared folder.

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