Hi,
I found yesterday that if the primary DNS server is missing the running of
cf-agent -vK slows down and looks like only one cf-agent can run in the same
time. I run the cf-agent -vK command with cssh, so I can see what's going on
quite well. I have about 10 systems in this test environment.
This is the last verbose line from cf-agent :
cf3 Loaded /var/cfengine/ppkeys/root-...
Than all of them wait except one that's running. After it finish there's some
wait and than an other one kicks off.
I tried to disable as many DNS related check as I could, but no success.
body agent control
{
ifelapsed => "15";
expireafter => "30";
skipidentify => "true";
}
body server control
{
allowconnects => { "127.0.0.1" , "::1", "192.168.11.*" };
allowallconnects => { "127.0.0.1" , "::1", "192.168.11.*" };
trustkeysfrom => { "127.0.0.1" , "::1", "192.168.11.*" };
# Make updates and runs happen in one
cfruncommand => "$(sys.workdir)/bin/cf-agent -f failsafe.cf &&
$(sys.workdir)/bin/cf-agent";
allowusers => { "root" };
maxconnections => "20";
logallconnections => "true";
skipverify => { "127.0.0.1" , "::1", "192.168.11.*" };
}
When I enable the primary dns server (just add an IP to the secondary one, so
the primary and secondary DNS server is the very same system, no chance that
there's any difference) everything works very fast and seems parallel.
I'd expect that there is some delay in during the cf-agent running (a udp
timeout), but I can't explain why there's only one client running at once and
the rest of them is waiting.
I guess I'm missing something, any hints what can be this exactly?
Thanks,
Miklos
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