Hi Andrei, > If unit A can be started without unit B, why does it matter in which order they are started?
Are you suggesting that After=/Before= must come with Requires= or similar? I think this breaks the design of making ordering dependencies and requirement dependencies orthogonal. Take smbd.service and nmbd.service for example. smbd.service specifies After=nmbd.service, but no requirement dependencies on nmbd.service. It means that the 2 services can live without each other, but when the two services are starting together, ordering matters. John Lin Andrei Borzenkov <arvidj...@gmail.com> 於 2018年1月12日 週五 上午11:59寫道： > 12.01.2018 03:47, 林自均 пишет: > > How about adding an "--order" option to systemctl? With this option, > > systemctl will sort those units by ordering dependencies before > submitting > > them. > > And why does it matter? If unit A can be started without unit B, why > does it matter in which order they are started? If unit A can *not* be > started without unit B, it must tell so using Requires or Requisite. > > What are you trying to achieve? >
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