[systemd-devel] Any way to run instantiated units from templates one after the other

[Dmitry Karpov]

I have a template for creating the backup:

backup at .service <mailto:backup at .service>
[Unit]
Description=Instance %i
[Service]
ExecStart=/bin/sh -c "echo do backup job for %i"
[Install]
WantedBy=maintenance.target        
and some target:

maintenance.target

[Unit]
Description=target for maintenance
StopWhenUnneeded=yes         
As can be seen, instances from backup@ start with maintenance.target. But they run in parallel.
There is some way to run them one after the other?
I thought that specifying Conflicts=backup@*.service in the template should lead to this, but it is not.

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