"makedns <nodename>" fails with the following message:
"Ignoring host wbire1-en01, it does not belong to any nets defined in
networks
table or the net it belongs to is configured to use an external
nameserver."
After doing some digging, I discovered that the subroutine "my_ip_facing"
in
NetworkUtils.pm only returns the first address that matches the criteria.
In our case we have eth0 set to 10.0.10.10 on mgmt01 and 10.0.10.11 on
mgmt02.
We also have a virtual ip on eth0 (etho:xCAT) that moves with the active
mgmt node
and it is set to 10.0.0.1. 10.0.0.1 is the IP of the xCAT manager in the
tab files. In addition,
the nameservers field in the site tab file is set to
"10.0.0.1,10.0.10.11,10.1.10.10" which
causes the logic in this block of code in ddns.pm:
foreach (@networks)
{
if ($_ and $_->{nameservers})
{
my $myip = xCAT::NetworkUtils->my_ip_facing($_->{net});
xCAT::SvrUtils::sendmsg("DEBUG: $_->{net} $myip $sitens $_->
{nameservers}", $callback);
unless (($_->{nameservers} eq $myip) || ($_->{nameservers} eq
'<xcatmaster>') || ($_->{nameservers} eq $sitens))
{
$_ = undef;
}
}
}
to return undef for the 10.0.0.0/16 network.
Here is the entry in the networks table for this network:
"MLAN","10.0.0.0","255.255.0.0","eth0","10.0.0.1","10.0.0.1","10.0.0.1","10.0.0.1","10.0.0.1","10.0.0.1","10.0.250.2-10.0.250.254",,,,"<dnsdomain>",,,,
This works on our xCAT 2.6.8 cluster, but the subroutines in
NetworkUtils.pm have changed significantly from that release.
Thanks
Adam<<inline: 18933119.jpg>>
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