[systemd-devel] Requires and After

[Ian Pilcher]

On 1/1/19 5:44 AM, Jérémy Rosen wrote:
> The short answer is that Requires without after makes little sense,
> since you can't reliably know if your dependency is here without it
> (if it fails at startup, you might or might not be started, depending
> on the startup order systemd chooses)

There are cases where it makes sense.  For example, most OpenStack
services require both a message bus and a database, but they are smart
enough to wait and re-attempt their connections if either of those
services isn't immediately available.

-- 
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Ian Pilcher                                         arequipeno at gmail.com
-------- "I grew up before Mark Zuckerberg invented friendship" --------
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