David Wright <deb...@lionunicorn.co.uk> writes: > On Mon 02 Aug 2021 at 16:14:15 (+0300), Anssi Saari wrote: >> Stefan Monnier <monn...@iro.umontreal.ca> writes: >> >> >>> > cp /path/to/file.iso /dev/sdX >> >>> dd if=whatever.iso of=/dev/sdX >> >> It's up to taste. >> > >> > Not at all. The only right answer is: >> > >> > pv -parIe </path/to/file.iso >/dev/sdX >> >> Actually I'm not sure how good it is to have both -a and -r, pv doesn't >> really show which rate counter is which... > > No need: the rate is far more variable than its average, as time passes.
I guess it depends. Before that comment I tried it on an old USB stick. Read speed was pretty much constant if low. So I think it was the left rate counter that showed current rate but wouldn't bet on it.
