[systemd-devel] Questions I got about systemd

[Zbigniew Jędrzejewski-Szmek]

On Wed, Dec 11, 2013 at 08:24:34PM +0200, Mantas Mikulėnas wrote:
> On Dec 11, 2013 5:38 PM, "Cecil Westerhof" <Cecil.Westerhof at snow.nl> wrote:
> >
> > On 12/06/2013 01:18 PM, Mantas Mikulėnas wrote:
> >>
> >>  > Is it possible to do an automatic shutdown when there is no more room
> >> to for journald to log? (They did not want to have logging removed.)
> >>
> >> Currently no. journald tries to never use more than the configured % of
> >> disk space and rotates away old logs, so it won't ever see a "disk full"
> >> error. But a syslog daemon might help.
> >
> >
> > The person asking it found it not acceptable that logging disappeared.
> But it could be done by a cron job of-course.
> 
> Logging does not disappear; /old/ logs do. If they need to be preserved,
> run a syslog daemon (either local with /var/log/syslog or remote with a
> logserver), or periodically back up old (rotated) .journals... Or, well,
> post a feature request? (Actually, I wonder what happens if you set the
> maximum to 100% of disk...)
I vaguely remember that something like this was already discussed a
few years ago. For some certifications (medical?), it is required to 
shut down if logging is not possible. I'm not sure what the result of
those converstations was.

Zbyszek