[Debian-ha-maintainers] Bug#862248: Bug#862248: No straightforward and permanent way to disable DRBD autostart, no drbd systemd unit file

[Christian Balzer]

Hello Apollon,

is there any package you're not involved with? ^o^

On Wed, 10 May 2017 12:37:34 +0300 Apollon Oikonomopoulos wrote:

> Control: severity -1 wishlist
>
Sure thing.
 
> Hi,
> 
> On 17:53 Wed 10 May     , Christian Balzer wrote:
> > Jessie (backports), systemd.
> > 
> > When running DRBD with pacemaker it is recommended (and with systemd
> > required, see link below) to disable DRBD startup at boot time.
> > 
> > However:
> > ---
> > # systemctl disable drbd
> > drbd.service is not a native service, redirecting to systemd-sysv-install.
> > Executing: /lib/systemd/systemd-sysv-install disable drbd
> > insserv: warning: current start runlevel(s) (empty) of script `drbd' overrides LSB defaults (2 3 4 5).
> > insserv: warning: current stop runlevel(s) (0 1 2 3 4 5 6) of script `drbd' overrides LSB defaults (0 1 6).
> > ---
> > 
> > But since systemd-sysv picks up anything in /etc/init.d/ we get after a
> > reboot:
> > ---
> > # systemctl status drbd
> >   drbd.service - LSB: Control drbd resources.
> >    Loaded: loaded (/etc/init.d/drbd; generated; vendor preset: enabled)
> >    Active: active (exited) since Wed 2017-05-10 10:37:39 JST; 6h ago
> >      Docs: man:systemd-sysv-generator(8)
> >    CGroup: /system.slice/drbd.service
> > ---
> > 
> > Ways forward would be a unit file for systemd that actually allows disable
> > to work as expected or some other means to (permanently) neuter the init.d
> > file (instead of an "exit 0" at the top which did the trick for now).  
> 
> Thanks for the report!
> 
> You can always use `systemctl mask drbd.service', which will neuter the 
> initscript completely. I'm downgrading the severity to 'wishlist', 
> unless `systemctl mask' causes some ill side-effects, in which case 
> please change the severity again.
> 
That worked w/o any ill effects I can see.

Unfortunately mask is not a particular well known/referenced systemctl
feature, but then again that might be my tremendous love and admiration
for all things systemd speaking. ^o^

> But yes, ideally we should provide a native unit.
> 
I wonder if this bears referencing to the systemd/systemd-sysv folks, to
maybe suggest "mask" in the output when somebody runs disable against a
LSB sysv init script. 

Regards,

Christian

> Regards,
> Apollon
> 


-- 
Christian Balzer        Network/Systems Engineer                
chibi at gol.com   	Global OnLine Japan/Rakuten Communications
http://www.gol.com/