[systemd-devel] Delaying device service creation

[Lennart Poettering]

On Tue, 30.06.15 17:37, Francis Moreau (francis.moro at gmail.com) wrote:

> Hi,
> 
> I have a service 'A' which creates a device 'X' and does some
> configuring of the device. The device is created in a 'ExecStart='
> directive whereas its configuration happens during 'ExecStartPost='.
> 
> But it seems that as soon as the device is seen by systemd, it creates
> the corresponding device service and starts all services that depeneds
> on this device.

What kind of a device is this? block device?

You should mark your device with SYSTEMD_READY=0 in udev, as
long as it is not ready to be exposed. Check 99-systemd.rules for a
few examples where we do this for loopback or mdadm devices as long as
they are not fully set up.

Lennart

-- 
Lennart Poettering, Red Hat