USB Storage Device
This article describes how to mount an USB storage device in OpenWrt.
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To mount a USB device in OpenWrt follow these steps:
The software packages need to be installed on the device:
opkg install block-mount kmod-usb-storage usbutils libblkid gdisk
After the installation a new menu appears System --> Mount Points. If the menu is not displayed just reboot OpenWrt.
reboot
After the reboot login via LuCi.
Attach your USB storage device to your OpenWrt device. Please refer to ➡️ Prepare USB Storage for detailed manual how to format the USB device.
Click Edit.
The mount point needs to be added via custom field. It is not listed in the drop-down menu.
Configuration In LuCi
General Settings
Select your USB storage device from the drop down.
Click int to --cutom-- field
Enter the mount point of the USB storage device manually. The root directory is /mnt.
Click Save.
The USB storage device can get mounted by OpenWrt. Click Enabled and Save & Applythe changes.
On the CLI you can check if the USB storage device is mounted.
root@OpenWrt:~# cd /mnt/
root@OpenWrt:/mnt# ls -lah
drwxr-xr-x 1 root root 0 Nov 30 10:22 .
drwxr-xr-x 1 root root 0 Nov 30 08:29 ..
drwxr-xr-x 2 root root 0 Nov 30 10:22 sda1
Advanced Settings
Configuration on CLI
On the CLI the configuration looks as following:
root@OpenWrt:~# ls -l /dev/sd*
brw------- 1 root root 8, 0 Nov 23 12:20 /dev/sda
brw------- 1 root root 8, 1 Nov 23 12:20 /dev/sda1
root@OpenWrt:~# block info | grep "/dev/sd"
/dev/sda1: UUID="637E-0193" LABEL="usb-drive" TYPE="exfat"
root@OpenWrt:~# uci show fstab
fstab.@global[0]=global
fstab.@global[0].anon_swap='0'
fstab.@global[0].anon_mount='0'
fstab.@global[0].auto_swap='1'
fstab.@global[0].auto_mount='1'
fstab.@global[0].delay_root='5'
fstab.@global[0].check_fs='0'
# Generate a config entry for the fstab file:
root@OpenWrt:~# block detect | uci import fstab
# Now enable automount on that config entry:
root@OpenWrt:~# uci set fstab.@mount[-1].enabled='1'
root@OpenWrt:~# uci commit fstab
# uci show fstab
root@OpenWrt:~# uci show fstab
fstab.@global[0]=global
fstab.@global[0].anon_swap='0'
fstab.@global[0].anon_mount='0'
fstab.@global[0].auto_swap='1'
fstab.@global[0].auto_mount='1'
fstab.@global[0].delay_root='5'
fstab.@global[0].check_fs='0'
fstab.@mount[0]=mount
fstab.@mount[0].target='/mnt/sda1'
fstab.@mount[0].uuid='637E-0193'
fstab.@mount[0].enabled='1'
# Show mount point details
root@OpenWrt:~# ls -l /mnt/sda1
root@OpenWrt:~# block info
/dev/mtdblock13: UUID="9b0b81c6-8dfd6cb8-6b633c0f-b2292799" VERSION="4.0" MOUNT="/rom" TYPE="squashfs"
/dev/mtdblock14: MOUNT="/overlay" TYPE="jffs2"
/dev/mtdblock15: TYPE="jffs2"
/dev/sda1: UUID="637E-0193" LABEL="usb-drive" TYPE="exfat"
# Restart service fstab
root@OpenWrt:~# service fstab boot
Prepare USB Storage
Start disk utility program
Click on Delete
Select ExFAT and click on Delete
Eject the storage device.
Attach the usb storage device to OpenWrt and follow the steps described above.
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