Linux9 oracle19c grid [ dns setup -scan-ip구성]==＞ 완료

[생짜초보]

1번 네트워크.PNG

11.49KB

rac1.zip

1.96KB

rac2.zip

1.98KB

https://oracledbwr.com/step-by-step-guide-to-install-oracle-19c-rac-installation-using-virtualbox/

아 dba 인지 서버 관리자인지 헉 : rac 세팅을 위해.. 아래 

 command 는 꼭 기역 할것

아래 dns 수정시 꼭 lock 을 잡고 진핸해야함. 

반드시 vip 에대한 정방향 역방향 조회되어야 oracle grid 가 구성가능   

 chattr -i /etc/resolv.conf
vi /etc/resolv.conf
# Generated by NetworkManager
# Generated by NetworkManager
search localdomain
nameserver 192.168.24.2
options timeout:1 attempts:2

chattr +i /etc/resolv.conf 

cat /etc/resolv.conf 

systemctl enable  named
systemctl stop  named
systemctl start named

systemctl  status  named

<== log 보기 편해요 status 

첨부 파일은 linux9 용이므로 다른 버젼은 오류 

각 노드별 local dns 를 세팅한다.  

다음은 테스트  vip 에대한 정방향 역방향  테스트 진행

1번 노드 테스트====
[root@rac1 etc]# nslookup dbwr-scan
Server: 192.168.24.1
Address: 192.168.24.1#53

Name: dbwr-scan.localdomain
Address: 192.168.24.43
Name: dbwr-scan.localdomain
Address: 192.168.24.42
Name: dbwr-scan.localdomain
Address: 192.168.24.41

[root@rac1 etc]# nslookup 192.168.24.41
41.24.168.192.in-addr.arpa name = dbwr-scan.localdomain.

[root@rac1 etc]# nslookup 192.168.24.42
42.24.168.192.in-addr.arpa name = dbwr-scan.localdomain.

[root@rac1 etc]# nslookup 192.168.24.43
43.24.168.192.in-addr.arpa name = dbwr-scan.localdomain.

[root@rac1 etc]# 

2번 노드 
 [root@rac2 ~]# nslookup dbwr-scan
Server: 192.168.24.2
Address: 192.168.24.2#53

Name: dbwr-scan.localdomain
Address: 192.168.24.43
Name: dbwr-scan.localdomain
Address: 192.168.24.41
Name: dbwr-scan.localdomain
Address: 192.168.24.42

[root@rac2 ~]# nslookup 192.168.24.41
41.24.168.192.in-addr.arpa name = dbwr-scan.localdomain.

[root@rac2 ~]# nslookup 192.168.24.42
42.24.168.192.in-addr.arpa name = dbwr-scan.localdomain.

[root@rac2 ~]# nslookup 192.168.24.43
43.24.168.192.in-addr.arpa name = dbwr-scan.localdomain.