Matthew Campbell (12020-06-08):
> I bought a new 4 terrabyte hard drive that is connected with a USB
> cable using USB2. It took about 32 hours to read every sector on the
> drive to look for bad sectors. I started blanking the sectors using
> /dev/zero last Friday night. It still isn't done. Is there a way I can
> find out how much data a particular process has written to the disk?
> I'm using Debian 10.4.
Sending a USR1 signal to a running 'dd' process makes it print I/O sta‐
tistics to standard error and then resume copying.
Fron dd(1).
Also, you can go read /proc/$(pidof dd)/fdinfo, it contains the
information too.
Note that it becomes much slower as it nears the center of the disk.
Regards,
--
Nicolas George
Attachment:
signature.asc
Description: PGP signature