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The Upgrade Fails Because a Semicolon Is Mistakenly Added in the BIOS Command

Publication Date:  2012-07-25 Views:  51 Downloads:  0
Issue Description
An engineer upgrades the Metro 1000 in an office according to the upgrade guide. During the upgrade, the database should be erased. When the engineer downloads data after the upgrade, a prompt is given, indicating that the upgrade fails. 
Alarm Information
Data cannot be downloaded after the upgrade 
Handling Process
1. Erase the database to perform the upgrade again and confirm that the upgrade steps are correct. In this case, the engineer used the e-all; command to erase the database in BIOS status during the upgrade. The semicolon, however, should not exist in the command. Since the command is wrong, the Navigator did not give any prompt about database erasure. The engineer directly proceeded to the next step but the database is actually not erased.
2. The commands used in BIOS status are different from the commands in host status. No semicolon should be added behind the commands. Otherwise, the commands are invalid. Run the e-all command to erase the database and then perform the upgrade again. The fault is removed. 
 
Root Cause
1. The database is faulty.
2. The hardware of the SCB board is faulty.
3. The data configuration is incorrect.
4. The version is defective. 
 
Suggestions
1. The commands used in BIOS status are different from the commands in host status. No semicolon should be added behind the commands. Otherwise, the commands are invalid.
2. After the e-all command is entered, the Navigator should give a prompt, indicating that NSF1, NSF2, NVRAM, fdb0, and fdb1 are being deleted. 
 

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