Just one other possible data point.
I may have just dismissed these problems as some kind of creeping
senility but I've seen some other bizarre issues with VMs migrated into
OpenVZ.
One of these is to do with Samba filesharing.
When the VM is migrated into OpenVZ from Xen, samba fileshares on the VM
can be accessed from Windows *only* by FQDN not by bare hostname.
Note that this broke *existing* mapped network drives for Windows users.
Also note that this did *not* affect Linux nor OSX clients; only Windows.
Since I've verified that this wierdness is *only* apparent when the VM
was running under OpenVZ not under Xen I'm not inclined to believe that
I am going insane when I find that NRPE under Debian Sarge has a problem
when running under OpenVZ and not under Xen.
It starts to seem that OpenVZ can produce all *kinds* of unpredictable
behavior... either that or I really am going mad complete with
hallucinations :-/ Not discounting that possibility out of hand...
Steve Wray wrote:
Gregor Mosheh wrote:
The good news is that I use Nagios with our VPSs, and it works
brilliantly.
include_dir=/etc/nagios/nrpe.d
I have found that while this directive works under Xen this does not
work under openvz.
I find that surprising. Are you sure that the permissions didn't get
mangled when you copied it over to ovz? That's the first thing I'd
check: making sure that /etc/nagios/nrpe.d is in fact a directory, and
that's readable by the user who runs nrpe (user nagios?).
Believe me, thats the first thing I checked.
I've run nrpd under strace and see nothing out of the ordinary; it finds
the correct number of files in the nrpd.d directory. Not much of a whizz
with strace tho so don't know where to go from here.
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