Scanning external disk - is in use, aborting

[vrapp]

In Network Map, the USB drive shows up with red outline, with the message

/dev/sda1 is in use.
e2fsck: Cannot continue, aborting.


An attempt to scan it results in the same message. Other than unplugging/replugging the drive, or rebooting the router, it there a more graceful way to have it scanned? Especially since UI allows to schedule regular scanning. Below is the log.

Thanks

 

[vrapp]

When I pasted the log, it was blocked by the website for security reasons, probably something in the log looked like an attack. I tried to upload the file, but upload did not work either - I can select the file to upload, but when I click "close", nothing happens. So I put the log file on external server, it can be downloaded from https://www.mediafire.com/?wjgsg59bi9622oj