【OpenWRT】—— TL-WR1043ND USB port for expansion of root file system

角色

因为系统的ROM Flash只有8M，如果要安装很多packages，那么8M Flash就不够了。我们可以通过USB 2.0的port，然后安装flash drive后，通过适当的settings，那么就可以安装很多packages了。



Root file system只有4.78M剩余。

角色

1. Install the following packages

1. opkg update
   
2. opkg install kmod-usb-storage block-mount block-hotplug kmod-fs-ext4 kmod-fs-vfat kmod-nls-cp437 kmod-nls-iso8859-1

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Ignore the error messages

1. Collected errors:
   
2. * opkg_install_cmd: Cannot install package block-hotplug.

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2. Install additional package to give mkfs.ext4 from the package e2fsprogs

1. opkg e2fsprogs

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3. Insert the USB flash drive at the rear of the router

4. Reboot the system

5. Using SSH to enter the system and format the flash drive using the following command

1. root@OpenWrt:/dev# mkfs.ext4 /dev/sda1
   
2. mke2fs 1.42.4 (12-June-2012)
   
3. Filesystem label=
   
4. OS type: Linux
   
5. Block size=4096 (log=2)
   
6. Fragment size=4096 (log=2)
   
7. Stride=0 blocks, Stripe width=0 blocks
   
8. 486720 inodes, 1944576 blocks
   
9. 97228 blocks (5.00%) reserved for the super user
   
10. First data block=0
    
11. Maximum filesystem blocks=1992294400
    
12. 60 block groups
    
13. 32768 blocks per group, 32768 fragments per group
    
14. 8112 inodes per group
    
15. Superblock backups stored on blocks:
    
16.         32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632
    
17. 
    
18. Allocating group tables: done
    
19. Writing inode tables: done
    
20. Creating journal (32768 blocks): done
    
21. Writing superblocks and filesystem accounting information: done
    
22. 
    
23. root@OpenWrt:/dev#

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6. Using a browser to enter the GUI of the router. Go to [System]->[Mount Points]


7. Edit the device and select the option "Use as filesystem". Afterward, click the command "Save"


8. Check the mount points again to see whether the following figure you have. Enable this mount point and followed by "Save & Apply" command.


9. Reboot the system and flash drive becomes the root filesystem. The size of remaining file system for package installation is increased from 4.78M to 7.16G


10. In system using SSH, the system message of mounting device is

1. root@OpenWrt:~# df
   
2. Filesystem           1K-blocks      Used Available Use% Mounted on
   
3. rootfs                 7753428    245596   7118920   3% /
   
4. /dev/root                 2048      2048         0 100% /rom
   
5. tmpfs                    30852       580     30272   2% /tmp
   
6. tmpfs                      512         0       512   0% /dev
   
7. /dev/sda1              7753428    245596   7118920   3% /overlay
   
8. overlayfs:/overlay     7753428    245596   7118920   3% /
   
9. root@OpenWrt:~#

複製代碼

Skypeus

赞一个。