"Brett Alton" <[email protected]> wrote:
> I would like to discuss the addition of some sort of progress bar in dd.
>
> When I'm low-level formatting hard drives with:
>
> dd if=/dev/urandom of=/dev/sda bs=10M conv=notrunc
>
> It'd be nice to know the progress of the operation. The same goes for
> cloning hard drives.
>
> Is it possible for dd to know the size of the hard drive and calculate
> its progress?
Here's a tip from the documentation.
It provides at least some idea of progress:
Sending a USR1 signal to a running `dd' process makes it
print I/O statistics to standard error and then resume copying.
$ dd if=/dev/zero of=/dev/null& pid=$!
$ kill -USR1 $pid; sleep 1; kill $pid
18335302+0 records in
18335302+0 records out
9387674624 bytes (9.4 GB) copied, 34.6279 seconds, 271 MB/s
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