Oracle11gR2_RAC_SCAN搭配DNS实例On REHL5.3(1)
1,DNS Server Configuration
[root@ksa035 oracle]# cat /var/named/chroot/etc/named.caching-nameserver.conf
options {
listen-on port 53 { any; };
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";
// Those options should be used carefully because they disable port
// randomization
// query-source port 53;
// query-source-v6 port 53;
allow-query { any; };
allow-query-cache { localhost; };
};
logging {
channel default_debug {
file "data/named.run";
severity dynamic;
};
};
view any_resolver {
match-clients { any; };
match-destinations { any; };
recursion yes;
include "/etc/named.rfc1912.zones";
};
[root@ksa035 oracle]# cat /etc/named.rfc1912.zones
zone "cktire.com" IN {
type master;
file "cktire.com";
allow-update { none; };
};
zone "161.150.10.in-addr.arpa" IN {
type master;
file "10.150.161.rev";
allow-update { none; };
allow-transfer {
10.150.161.35;
10.150.161.33;
10.150.161.34;
};
};
[root@ksa035 oracle]# cat /var/named/chroot/var/named/cktire.com
$TTL 86400
@ IN SOA ksa035.cktire.com. root.cktire.com. (
42 ; serial (d. adams)
3H ; refresh
15M ; retry
1W ; expiry
1D ) ; minimum
IN NS ksa035.cktire.com.
localhost IN A 127.0.0.1
ksa035 IN A 10.150.161.35
ksa034 IN A 10.150.161.34
ksa033 IN A 10.150.161.33
ksa033-vip IN A 10.150.161.63
ksa034-vip IN A 10.150.161.64
ksa-scan IN A 10.150.161.81
ksa-scan IN A 10.150.161.82
ksa-scan IN A 10.150.161.83
[root@ksa035 oracle]# cat /var/named/chroot/var/named/10.150.161.rev
$TTL 86400
@ IN SOA ksa035.cktire.com. root.ksa035.cktire.com. (
1997022700 ; Serial
28800 ; Refresh
14400 ; Retry
3600000 ; Expire
86400 ) ; Minimum
161.150.10.in-addr.arpa. IN NS ksa035.cktire.com.
35 IN PTR ksa035.cktire.com.
34 IN PTR ksa034.cktire.com.
33 IN PTR ksa033.cktire.com.
63 IN PTR ksa033-vip.cktire.com.
64 IN PTR ksa034-vip.cktire.com.
81 IN PTR ksa-scan.cktire.com.
82 IN PTR ksa-scan.cktire.com.
83 IN PTR ksa-scan.cktire.com.
[root@ksa035 oracle]# service named restart;
Stopping named: . [ OK ]
Starting named: [ OK ]
Client 解析验证ksa-scan,配置解析文件，验证如下
[[oracle@ksa034 ~]$ cat /etc/resolv.conf
domain cktire.com
search cktire.com
nameserver 10.150.161.35
[oracle@ksa034 ~]$ nslookup
> ksa-scan
Server: 10.150.161.35
Address: 10.150.161.35#53
Name: ksa-scan.cktire.com
Address: 10.150.161.82
Name: ksa-scan.cktire.com
Address: 10.150.161.83
Name: ksa-scan.cktire.com
Address: 10.150.161.81
2,SCAN 增加及配置 scan1,scan2,scan3
[oracle@ksa034 ~]$ crsctl status resource -t;
--------------------------------------------------------------------------------
NAME TARGET STATE SERVER STATE_DETAILS
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.LISTENER.lsnr
ONLINE ONLINE ksa033
ONLINE ONLINE ksa034
ora.asm
ONLINE ONLINE ksa033 Started
ONLINE ONLINE ksa034 Started
ora.eons
ONLINE ONLINE ksa033
ONLINE ONLINE ksa034
ora.gsd
OFFLINE OFFLINE ksa033
OFFLINE OFFLINE ksa034
ora.net1.network
ONLINE ONLINE ksa033
ONLINE ONLINE ksa034
ora.ons
ONLINE ONLINE ksa033
ONLINE ONLINE ksa034
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.LISTENER_SCAN1.lsnr
1 ONLINE ONLINE ksa034
ora.ksa.db
1 ONLINE ONLINE ksa033 Open
2 ONLINE ONLINE ksa034 Open
ora.ksa033.vip
1 ONLINE ONLINE ksa033
ora.ksa034.vip
1 ONLINE ONLINE ksa034
ora.oc4j
1 OFFLINE OFFLINE
ora.scan1.vip
1 ONLINE ONLINE ksa034
[oracle@ksa034 ~]$ srvctl status scan;
SCAN VIP scan1 is enabled
SCAN VIP scan1 is running on node ksa034
[oracle@ksa034 ~]$ srvctl config scan;
SCAN name: ksa-scan.cktire.com, Network: 1/10.150.160.0/255.255.248.0/eth0
SCAN VIP name: scan1, IP: /ksa-scan.cktire.com/10.150.161.81
增加节点scan2,scan3
续~
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