In Windows WSL Linux Bash command line, when an external HDD/SSD disk is no longer recognized on WSL for some reason, such as ejection or restart, re-detect the external HDD to make it recognizable.
# Errors occur when removed
yuis on ASUS at /mnt/c/pg$ ls /mnt
ls: cannot access '/mnt/f': Invalid argument
total 0
1407374883553285 drwxrwxrwx 1 yuis yuis 4096 Mar 6 14:36 h
1407374883553285 drwxrwxrwx 1 yuis yuis 4096 Mar 6 14:36 g
1407374883553285 drwxrwxrwx 1 yuis yuis 4096 Mar 6 14:35 e
1407374883553285 drwxrwxrwx 1 yuis yuis 4096 Mar 6 14:35 c
844424930322338 drwxr-xr-x 1 root root 4096 Jan 8 01:44 ..
562949953696642 drwxr-xr-x 1 root root 4096 Jan 5 04:55 .
120189815055497884 drwxr-xr-x 1 root root 4096 Jan 5 04:55 _share3
367324844607452116 drwxr-xr-x 1 root root 4096 Jan 5 04:55 _share2
295267250570321447 drwxr-xr-x 1 root root 4096 Jan 3 04:19 _share
? d????????? ? ? ? ? ? f
# This is OK
sudo umount /mnt/f
sudo mount -t drvfs F: /mnt/f