Hi Adam, Thank you for reporting this bug, yes, I believe it's worth a code fix - "my_ip_facing" in NetworkUtils.pm should return all addresses that matches the criteria. I opened xcat bug https://sourceforge.net/p/xcat/bugs/3969/ to address this issue.
For your scenario, I think you can try this:
Remove networks.nameservers for the entry as below, networks.nameservers
is blank, which means to use site.nameservers by default, then makedns can
work.
"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","10.0.250.2-10.0.250.254",,,,"<dnsdomain>",,,,
Thx.
Sun Jing
Adam Emerich <aemer...@us.ibm.com>
2014/01/15 03:09
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Subject
[xcat-user] Makedns seems to be broken in High Availability configured
xCAT 2.8.3 cluster
"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
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