Photorec - does not make sense

Fixit7 · 03-04-2016, 05:13 PM

No problem.

My memory fails rather frequently. :-)

Fixit7 · 03-04-2016, 10:36 PM

I discovered that you can tell when dd is finished when the CPU use drops to around 3%.

Quote:

Mem: 2843116K used, 164344K free, 20820K shrd, 221776K buff, 1655640K cached
CPU: 0% usr 51% sys 0% nic 0% idle 48% io 0% irq 0% sirq
Load average: 4.07 3.97 3.22 3/129 1122
PID PPID USER STAT VSZ %VSZ CPU %CPU COMMAND
20398 20397 root R 385m 13% 1 49% dd if=/dev/urandom of=/mnt/sde/somefile bs=400000000 count=1024

I have 2 cores.

Is the CPU use an average of the two cores ?

pan64 · 03-05-2016, 03:39 AM

Quote:

I discovered that you can tell when dd is finished when the CPU use drops to around 3%.

That is simply not true. Probably, sometimes, occasionally it may happen, but in general it is not true at all.
If you want to know when it is completed just look at the command window (terminal) and your prompt will appear immediately (as soon as dd completed). If you want to see a progress bar use dcfldd instead of dd.

Quote:

Is the CPU use an average of the two cores ?

Sometimes yes, sometimes no, it also depends on what is running currently.

273 · 03-05-2016, 04:01 AM

It might be easier to use dcfldd which will show its status without having to periodically send kill commands.

Fixit7 · 03-06-2016, 05:35 PM

dcfldd is an executable and does not run.

It does not work with Wine either.

Version 8.24 of dd would also work if I could find it.

Quote:

df if=/dev/sda of=/dev/sdb status=progress