Based on Xunwei 4412 development board:
Plug in the USB drive
[ 2407.908558] usb 1-3.3: Product:
DataTraveler 3.0 [ 2407.913150] usb 1-3.3
: Manufacturer
: Kingston [ 0 ] sd 3 :0:0:0: [sda] 60632064 512-byte logical blocks: (31.0 GB/28.9 GiB) [ 2408.981773] scsi 3:0:0:0: Direct-Access Kingston DataTraveler 3.0 PMAP PQ: 0 ANSI: 6 [ 2409.002820] sd 3:0:0:0: Attached scsi generic sg0 type 0 [ 2410.472934] sd 3:0:0:0: [sda] 60632064 512-byte logical blocks: (31.0 GB/28.9 GiB) [ 2411.472935] sd 3:0:0:0: [sdc] 60632064 512-byte logical blocks: (31.0 GB/28.9 GiB) [ 0:0:0: [sda] Assuming drive cache: write through [ 2410.527868] sd 3:0:0:0: [sda] No Caching mode page present [ 2410.491237] sd 3:0:0:0: [sda] Assuming drive cache: write through [ 2410.503131] sd 3:0:0:0: [sda] No Caching mode page present [ 2410.507269] sd 3:0:0:0: [sda] Assuming drive cache: write through [ 2410.527868] sda: sda1 [ 2410.549386] sd 3:0:0:0: [sda] No Caching mode page present [ 2410.553692] sd 3:0:0:0: [sda] Assuming drive cache: write through [ 2410.585133] sd 3:0:0:0: [sda] Attached SCSI removable disk
Failed to mount USB disk
~ # mount /dev/sda1 /mnt/udisk/
mount: mounting /dev/sda1 on /mnt/udisk/ failed: No such device or address
~ # mount /dev/sda /mnt/udisk/
mount: mounting /dev/sda on /mnt/udisk/ failed: Invalid argument
View /dev
~ # ls /dev/
/dev does not contain the device node sdb1
Manually create a node
~ # mknod /dev/sda1 b 8 1
Mount USB drive
~ # mknod /dev/sda1 b 8 1
~ # mount /dev/sda1 /mnt/udisk/
~ # ls /mnt/udisk/
Linux
The USB drive is mounted successfully
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