【Oracle Database】Oracle RAC（二）：DNS

[root@wallet03 ~]# yum install -y bind [root@wallet03 ~]# vi /etc/named.conf options {         listen-on port 53 { 192.168.40.36; };         /* listen-on-v6 port 53 { ::1; }; */         directory       "/var/named";         dump-file       "/var/named/data/cache_dump.db";         statistics-file "/var/named/data/named_stats.txt";         memstatistics-file "/var/named/data/named_mem_stats.txt";         allow-query     { any; };         recursion yes;         dnssec-enable yes;         dnssec-validation yes;         /* Path to ISC DLV key */         bindkeys-file "/etc/named.iscdlv.key";         managed-keys-directory "/var/named/dynamic"; }; zone "." IN {         type hint;         file "named.ca"; }; zone "gscaifu.com" IN {         type master;         file "gscaifu.com.zone"; }; include "/etc/named.rfc1912.zones"; include "/etc/named.root.key"; [root@wallet03 ~]# cd /var/named [root@wallet03 named]# cp -p named.localhost gscaifu.com.zone [root@wallet03 named]# vi gscaifu.com.zone $TTL 1D @       IN SOA  @ rname.invalid. (                                         0       ; serial                                         1D      ; refresh                                         1H      ; retry                                         1W      ; expire                                         3H )    ; minimum              NS @              IN A    192.168.40.36 wallet       IN A    192.168.40.101 wallet       IN A    192.168.40.102 wallet       IN A    192.168.40.103 [root@wallet03 ~]# service named start Generating /etc/rndc.key:                                  [  OK  ] Starting named:                                            [  OK  ] [root@wallet03 ~]# netstat -tunlp | grep named tcp        0      0 192.168.40.36:53            0.0.0.0:*               LISTEN      2755/named           tcp        0      0 127.0.0.1:953               0.0.0.0:*               LISTEN      2755/named           tcp        0      0 ::1:953                     :::*                    LISTEN      2755/named           udp        0      0 192.168.40.36:53            0.0.0.0:*                           2755/named    [root@wallet01 ~]# vi /etc/resolv.conf  search gscaifu.com nameserver 192.168.40.36 [root@wallet01 ~]# nslookup wallet.gscaifu.com Server:         192.168.40.36 Address:        192.168.40.36#53 Name:   wallet.gscaifu.com Address: 192.168.40.101 Name:   wallet.gscaifu.com Address: 192.168.40.102 Name:   wallet.gscaifu.com Address: 192.168.40.103 [root@wallet02 ~]# vi /etc/resolv.conf  search gscaifu.com nameserver 192.168.40.36 [root@wallet02 ~]# nslookup wallet.gscaifu.com Server:         192.168.40.36 Address:        192.168.40.36#53 Name:   wallet.gscaifu.com Address: 192.168.40.102 Name:   wallet.gscaifu.com Address: 192.168.40.103 Name:   wallet.gscaifu.com Address: 192.168.40.101