The network related items of my node definition are as follows:
[root@xcatmn01 xcat_prep]# lsdef -t node -o xcatsn01 -i
installnic,ip,mac,nicips,nictypes,primarynic,nichostnamesuffixes
Object name: xcatsn01
installnic=eth0
ip=10.4.0.10
mac=00:25:90:14:f8:18!xcatsn01-s|00:25:90:14:f8:19!xcatsn01|00:25:90:14:f2:c3!xcatsn01-m
nichostnamesuffixes.ipmi=-m
nichostnamesuffixes.eth0=-s
nicips.eth1=10.4.0.10
nicips.ipmi=10.1.240.10
nicips.eth0=10.2.72.4
nictypes.ipmi=Ethernet
nictypes.eth1=Ethernet
nictypes.eth0=Ethernet
primarynic=eth1
The /etc/hosts entries are as follows:
[root@xcatmn01 xcat_prep]# grep xcatsn01 /etc/hosts
10.4.0.10 xcatsn01 xcatsn01.poc.lzd.co xcatsn01-eth1
10.1.240.10 xcatsn01-m xcatsn01-m.poc.lzd.co
10.2.72.4 xcatsn01-s xcatsn01-s.poc.lzd.co
The DHCP lease entries are as follows:
host xcatsn01 {
dynamic;
hardware ethernet 00:25:90:14:f8:19;
fixed-address 10.4.0.10;
supersede server.ddns-hostname = "xcatsn01";
supersede host-name = "xcatsn01";
if option user-class-identifier = "xNBA" and option
client-architecture = 00:00 {
supersede server.filename =
"http://${next-server}/tftpboot/xcat/xnba/nodes/xcatsn01";;
} elsif option client-architecture = 00:00 {
supersede server.filename = "xcat/xnba.kpxe";
} else {
supersede server.filename = "";
}
}
host xcatsn01-m {
dynamic;
hardware ethernet 00:25:90:14:f2:c3;
fixed-address 10.1.240.10;
supersede server.ddns-hostname = "xcatsn01";
supersede host-name = "xcatsn01";
if option user-class-identifier = "xNBA" and option
client-architecture = 00:00 {
supersede server.filename =
"http://${next-server}/tftpboot/xcat/xnba/nodes/xcatsn01";;
} elsif option client-architecture = 00:00 {
supersede server.filename = "xcat/xnba.kpxe";
} else {
supersede server.filename = "";
}
}
host xcatsn01-s {
dynamic;
hardware ethernet 00:25:90:14:f8:18;
supersede server.ddns-hostname = "xcatsn01";
supersede host-name = "xcatsn01";
if option user-class-identifier = "xNBA" and option
client-architecture = 00:00 {
supersede server.filename =
"http://${next-server}/tftpboot/xcat/xnba/nodes/xcatsn01";;
} elsif option client-architecture = 00:00 {
supersede server.filename = "xcat/xnba.kpxe";
} else {
supersede server.filename = "";
}
}
As can be seen from the lease entry for xcatsn01-s and xcatsn01-m, the
ddns-hostname is the same for all 3 entries. My expectation of the ddns
behaviour is that it should match the /etc/hosts (and `makedns`) actions.
ie. for xcatsn01-s, the server.ddns-hostname = "xcatsn01-s"; and for
xcatsn01-m, the server.ddns-hostname = "xcatsn01-m";
The existing behaviour causes trouble for me as the IP for xcatsn01-s is
assigned from the dynamic range, instead of the static range, and thus my
/etc/hosts and DNS entries don't remain in sync, leading to unexpected
behaviour.
Am I correct in my expectation or it is unrealistic?
--
Samveen S. Gulati
http://samveen.in
The best-laid schemes o' mice an 'men
Gang aft agley,
An'lea'e us nought but grief an' pain,
For promis'd joy!
-- Robert Burns
(The best laid plans of mice and men often go awry,
and bring nothing but grief and pain instead of ..)
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