[newsoftheday]

I'm sorry, I tried Googling the word "tolates" but I can't find any definition that makes sense?

> runs the service as soons as the system is available.

cron has the @reboot option which I use for a few scripts and works great.

[gchamonlive]

Typo, I meant tolerates. Fixed it.

Not an option either, because if I reboot two machines and the backup starts in both of them it'll cripple my NAS

[capitainenemo]

How does systemd on the 2 machines avoid that? Are they communicating somehow?

[gchamonlive]

No, just different cron schedules. If I just reboot a machine the job doesn't get triggered, only if I start a machine after the cron schedule should have been triggered. To be fair, if I start two machines in these conditions this will happen too, but such situation is much more manageable than rebooting too machines in a short period of time.

[regularfry]

"tolerates".