[Oracle Database] Oracle RAC (2): DNS
[root@wallet03 ~] # yum install-y bind [root@wallet03 ~] # vi / etc/named.confoptions {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 192.168.40.36wallet IN A 192.168.40.101wallet IN A 192.168.40.102wallet IN A 192.168.40.103 [root@wallet03 ~] # service named startGenerating / etc/rndc.key: [OK] Starting named: [OK] [root@wallet03 ~] # netstat-tunlp | grep namedtcp 0 0192.168.40.36 grep namedtcp 53 0.0.0.0 * LISTEN 2755/named tcp 0 0127.0.0.1 netstat 953 0.0.0.0 * LISTEN 2755/named Tcp 0 0:: 1 vi 953: * LISTEN 2755/named udp 0 0 192.168.40.36 2755/named [root@wallet01] # vi / etc/resolv.conf search gscaifu.comnameserver 192.168. 40.36 [root@wallet01 ~] # nslookup wallet.gscaifu.comServer: 192.168.40.36Address: 192.168.40.36#53Name: wallet.gscaifu.comAddress: 192.168.40.101Name: wallet.gscaifu.comAddress: 192.168.40.102Name: wallet.gscaifu.comAddress: 192.168.40.103 [root@wallet02 ~] # vi / etc/resolv.conf search gscaifu.comnameserver 192.168.40.36 [root@wallet02 ~] # nslookup Wallet.gscaifu.comServer: 192.168.40.36Address: 192.168.40.36#53Name: wallet.gscaifu.comAddress: 192.168.40.102Name: wallet.gscaifu.comAddress: 192.168.40.103Name: wallet.gscaifu.comAddress: 192.168.40.101
