[systemd-devel] Boot ordering

[Andrei Borzenkov]

On Thu, Mar 19, 2015 at 3:19 PM, Christoph Pleger
<Christoph.Pleger at cs.tu-dortmund.de> wrote:
> Hello,
>
>>> So, if the original unit file multi-user.target contains
>>>
>>> After=basic.target rescue.service rescue.target
>>>
>>> this "after" does not really mean anything and jobs wanted or required
>>> by
>>> multi-user.target can already be started when some jobs from
>>> basic.target
>>> have not been started???
>>>
>>
>> After means exactly what it says - multi-user.target waits for all
>> units listed in After line. It does not imply anything about relative
>> ordering of those units. Unless they have other dependencies all of
>> them will (attempted to) be started in parallel.
>
> Then, I still do not understand why my definition of a new target did not
> work. What is the difference between multi-user.target waiting for
> basic.target on the one hand and new.target waiting for basic.target and
> multi-user.target waiting for new.target on the other hand, aside from
> that one intermediate step?
>

Everything else that is ordered before multi-user.target is started
concurrently with your new.target.