On Sunday 22 September 2019 at 01:59:36, Andy Smith wrote:
> Hi Antony,
>
> On Fri, Sep 20, 2019 at 01:19:20PM +0200, Antony Stone wrote:
> > … All run Debian Stretch.
> >
> > Yesterday two of my development machines got updated to Icinga 2.11, and
> > some (not all) of my service checks on those machines then failed with
> > "check command does not exist". No configuration changes were made at
> > the same time.
>
> I experienced this also. It was a consequence of the icinga2-bin
> package (and a few other essential ones) being removed as part of
> the upgrade.
>
> I took a snapshot before this upgrade and was about to roll it back,
> but then I noticed that this had happened because a bunch of
> dependencies of these packages now come from stretch-backports
> instead of stretch-updates. I enabled the stretch-backports
> repository and did an "apt dist-upgrade" and it put back everything
> that was required.
Okay, thanks for the extra information on how to recover from this problem if
it occurs again.
However, I'd still like to hear from anyone who's tested version compatibility
between 2.10 and 2.11:
a) is it safe to upgrade my Master Icinga server to 2.11 whilst the Clients
are still running 2.10?
b) is it safe to upgrade some of my Clients to 2.11 with the Master still
running 2.10?
c) what's the actual cause of the above error message "check command does not
exist" after upgrading to 2.11, and what do I need to do to make the check
commands work again?
Thanks,
Antony.
--
The words "e pluribus unum" on the Great Seal of the United States are from a
poem by Virgil entitled "Moretum", which is about cheese and garlic salad
dressing.
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