[systemd-devel] Scheduling 3 periodic jobs using systemd

[t.schneider at disroot.org]

There's no script (or whatsoever) in this backup functionality.
It's only rsnapshot [1] (https://wiki.archlinux.org/title/Rsnapshot) and 
systemd-timer [2] involved.

Am 2024-07-12 10:35, schrieb Barry Scott:

>> On 12 Jul 2024, at 08:34, t.schneider at disroot.org wrote:
>> 
>> Setting the time of day requires detailed knowledge about the runtime 
>> of each job.
>> 
>> But this forecast is not accurate and this means any setting could 
>> result in same error.
> 
> Agreed that is a problem with this approach.
> 
> Or you have the code that locks wait for the lock to be freed does that 
> help?
> Are you using flock in the script, then its a easy change.
> 
> You still cannot ensure the order, but you can ensure that they will 
> all run sequentially.
> 
> Personally I encode the rules for my incremental vs. full backup into 
> my hourly backups script.
> So I only have one timer.
> 
> Barry


Links:
------
[1] https://wiki.archlinux.org/title/Rsnapshot
[2] https://wiki.archlinux.org/title/Systemd/Timers
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