start service in multi-user.target but don't stop it on isolate

[leo@xxxxxxxxxxxxxxx (Alexander 'Leo' Bergolth)]

On 03/20/2018 10:34 AM, Jérémy Rosen wrote:
> naive question, but why are you not using systemd's handling of hardware
> daemon (see man:system.conf for how to activate it)

The reason is laziness. ;-)

Since I am suffering from IO-subsystem related kernel bugs, I need to
detect IO lockups.
AFAIK systemd doesn't currently provide tests for basic system health
like max-load, accessibility of basic files etc.

Of course I could write my own system-health service that periodically
does these kind of tests and is monitored by systemds watchdog using
sd_notify(WATCHDOG=1").
But until I bring myself up to implement such a service, I'll stick to
using the software watchdog daemon. :-)

Cheers,
--leo
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