RAC) PRKC-1044 failed to check remote command execution setup for node 에러

클러스터를 NODE1에 설치할때
specified nodes are not clisterable 에러가 발생할 경우 ssh-keygen생성중에 암호를 넣어서 그렇다.

1.모든 노드상에 .ssh 디렉토리를(root,oracle)을 삭제한후 다시 .ssh디렉토리를 만든다.

2.모든 노드에 ssh-keygen -t rsa 실행(rac1,rac2)
(여기서 암호는 절대로 넣지 말고 엔터로 입력)

[oracle@rac1 ~]$ chmod 700 .ssh
[oracle@rac1 ~]$ ssh-keygen -t rsa
Generating public/private rsa key pair.
enter file in which to save the key (/home/oracle/.ssh/id_rsa) : 엔터
enter passphrase (emptyu for no passphrase) : 엔터
enter same passphrase again : 엔터

3.모든 노드에 ssh-keygen -t dsa 실행(rac1,rac2)
(여기서 암호는 절대로 넣지 말고 엔터로 입력)

[oracle@rac1 ~]$ ssh-keygen -t dsa
Generating public/private rsa key pair.
enter file in which to save the key (/home/oracle/.ssh/id_rsa) : 엔터
enter passphrase (emptyu for no passphrase) : 엔터
enter same passphrase again : 엔터

4. 하나의 노드에서 다음의 작업을 실행(rac1)

[oracle@rac1 .ssh]$ cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys
[oracle@rac1 .ssh]$ cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
[oracle@rac1 .ssh]$ ssh rac1 cat /home/oracle/.ssh/id_rsa.pub >> authorized_keys
oracle@rac1'spassword:
[oracle@rac1 .ssh]$ ssh rac1 cat /home/oracle/.ssh/id_dsa.pub >> authorized_keys
[oracle@rac1 .ssh]$ ssh rac2 cat /home/oracle/.ssh/id_rsa.pub >> authorized_keys
oracle@rac2'spassword:
[oracle@rac1 .ssh]$ ssh rac2 cat /home/oracle/.ssh/id_dsa.pub >> authorized_keys
oracle@rac2'spassword:
[oracle@rac1 .ssh]$ scp authorized_keys rac2:/home/oracle/.ssh/
oracle@rac2'spassword:
authorized_keys                      100% 2040     2.0KB/s   00:00   

5. 양쪽 노드에서 다음을 실행(비밀번호를 물어보면 안됨)

--------------RAC1------------------
[oracle@rac1 .ssh]$ ssh rac1 date
[oracle@rac1 .ssh]$ ssh rac1-priv date
[oracle@rac1 .ssh]$ ssh rac2 date
[oracle@rac1 .ssh]$ ssh rac2-priv date
--------------RAC2------------------
[oracle@rac2 .ssh]$ ssh rac1 date
[oracle@rac2 .ssh]$ ssh rac1-priv date
[oracle@rac2 .ssh]$ ssh rac2 date
[oracle@rac2 .ssh]$ ssh rac2-priv date