On 18/02/15 14:02, didier chavaroche wrote: > Hello. > > > > For a project of mine I need to clone one source drive to 23 target drives. > For this I am using the "dd" command that I execute 23 times. > > But it doesn't work, then I noticed doing it on 12 targets at once work fine. > > So I decided to split my cloning process into cloning first 12 targetss then > clone the remaining 11 targets after.
The two statements above seems to conflict? > But it doesn't work either, I don't know nor understand why it doesn't work? > Or if you have a technique so I can make my 23 drives at once. What failure do you see? Separate processes reading a single file and writing to separate devices, while somewhat inefficient, should work. If not it suggests a system issue, rather than one with dd. You might also want to try something higher level like: https://wiki.gnome.org/Apps/MultiWriter cheers, Pádraig
