MSR5620 识别不到U盘导致配置文件无法导出

MSR5620无法启动，配置文件没有备份。考虑在bootware界面将配置文件copy到U盘中，但是目前识别不到U盘。

1、查询产品手册，MSR5620是有USB插槽的，支持U盘接入。

2、查看现场的操作步骤，也是正确的。

1）输入CTRL+B进入boot ware菜单

RAM test successful.

Press Ctrl+T to start five-step full RAM test...

Press Ctrl+Y to start nine-step full RAM test...

System is starting...

Press Ctrl+D to access BASIC-BOOTWARE MENU...

Booting Normal Extended BootWare

The Extended BootWare is self-decompressing.................................

........................Done.

****************************************************************************

*                                                                          *

*                         BootWare, Version 1.03                           *

*                                                                          *

****************************************************************************

Compiled Date         : Nov  8 2017, 15:30:05

CPU Type              : bcm_arm

CPU Clock Speed       : 1000MHz

Memory Type           : DDR3 SDRAM

Memory Size           : 2048MB

Memory Speed          : 750MHz

Flash Size            : 1024MB

BASIC CPLD Version    : 001

EXTENDED CPLD Version : 001

PCB Version           : Ver.A

BootWare Validating...

Press Ctrl+B to access EXTENDED-BOOTWARE MENU...

Password recovery capability is enabled.

Note: The current operating device is flash

Enter < Storage Device Operation > to select device.

2）输入4进入File Control  

==========================<EXTENDED-BOOTWARE MENU>==========================

|<1> Boot System                                                           |

|<2> Enter Serial SubMenu                                                  |

|<3> Enter Ethernet SubMenu                                                |

|<4> File Control                                                          |

|<5> Restore to Factory Default Configuration                              |

|<6> Skip Current System Configuration                                     |

|<7> BootWare Operation Menu                                               |

|<8> Skip Authentication for Console Login                                 |

|<9> Storage Device Operation                                              |

|<0> Reboot                                                                |

============================================================================

Ctrl+Z: Access EXTENDED ASSISTANT MENU

Ctrl+F: Format File System

Ctrl+C: Display Copyright

Enter your choice(0-9): 4

3）输入5 复制文件

===============================<File CONTROL>===============================

|Note:the operating device is flash                                        |

|<1> Display All File(s)                                                   |

|<2> Set Image File type                                                   |

|<3> Set Bin File type                                                     |

|<4> Delete File                                                           |

|<5> Copy File                                                             |

|<0> Exit To Main Menu                                                     |

============================================================================

Enter your choice(0-5): 5

4）选择要复制的文件

'M' = MAIN      'B' = BACKUP      'N/A' = NOT ASSIGNED

============================================================================

|NO. Size(B)   Time                 Type   Name                            |                                                                 |

|8   4738      Jan/01/2011 00:47:20 M      flash:/startup.cfg              |

============================================================================

Enter file No.:8

The selected file is :flash:/startup.cfg

5）选择要复制的设备，可以看到确实识别不到U盘，只能看到设备的flash

Choose copy dest device :

============================================================================

|NO.  Device Name  File System  Total Size  Available Space                |

|1    flash        YAFFS2       1048576KB   839862KB                       |

|0    Exit                                                                 |

============================================================================

Enter your choice(0-1):0

3、跟现场沟通，反馈U盘是ntfs格式的，接口2.0。于是找到了问题所在，U盘格式需是FAT32格式，接口2.0及以上。

4、将U盘格式话，修改为FAT32，可以正常识别并成功导出配置文件。

将U盘格式修改为FAT32。