# cat /proc/24283/fdinfo/1 pos: 877106917376 flags: 0100001 mnt_id: 21 # Is that in bytes?
stdin and stderr both show a position of zero. name=Matthew%20Campbell&email=trenix25%40pm.me -------- Original Message -------- On Jun 8, 2020, 1:32 PM, Nicolas George wrote: > 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
