InstallMysqlMHAOnRedhat6.3(二)
2015-07-24 09:07:26
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me passphrase again:
Your identification has been saved in /root/.ssh/id_rsa.
Your public key has been saved in /root/.ssh/id_rsa.pub.
The key fingerprint is:
19:00:7f:cb:7d:5f:cd:48:3b:08:5a:7f:28:2e:9e:f8 root@zbdba2
The key's randomart image is:
+--[ RSA 2048]----+
| ... |
| . . |
| . o o . |
| o B o + +.|
| S o = = +|
| . o o o |
| . . . |
| o o |
| ..E |
+-----------------+
[root@zbdba2 ~]# ssh-copy-id -i /root/.ssh/id_rsa.pub root@192.168.56.162
root@192.168.56.162's password:
Now try logging into the machine, with "ssh 'root@192.168.56.162'", and check in:
.ssh/authorized_keys
to make sure we haven't added extra keys that you weren't expecting.
[root@zbdba3 ~]# ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/root/.ssh/id_rsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /root/.ssh/id_rsa.
Your public key has been saved in /root/.ssh/id_rsa.pub.
The key fingerprint is:
9f:2f:5f:0c:fb:dc:f7:f9:4d:b2:de:48:01:ae:51:d1 root@zbdba3
The key's randomart image is:
+--[ RSA 2048]----+
| .. |
| .E |
| o |
| o . |
| S . o . |
| . + + . |
| + . = .|
| .. = B+|
| oo.*.X|
+-----------------+
[root@zbdba3 ~]# ssh-copy-id -i /root/.ssh/id_rsa.pub root@192.168.56.161
root@192.168.56.161's password:
Now try logging into the machine, with "ssh 'root@192.168.56.161'", and check in:
.ssh/authorized_keys
to make sure we haven't added extra keys that you weren't expecting.
进行测试：
[root@zbdba1 ~]# masterha_check_ssh --conf=/etc/masterha/app1.cnf
Tue Feb 10 21:59:19 2015 - [warning] Global configuration file /etc/masterha_default.cnf not found. Skipping.
Tue Feb 10 21:59:19 2015 - [info] Reading application default configuration from /etc/masterha/app1.cnf..
Tue Feb 10 21:59:19 2015 - [info] Reading server configuration from /etc/masterha/app1.cnf..
Tue Feb 10 21:59:19 2015 - [info] Starting SSH connection tests..
Tue Feb 10 21:59:20 2015 - [debug]
Tue Feb 10 21:59:19 2015 - [debug] Connecting via SSH from root@192.168.56.161(192.168.56.161:22) to root@192.168.56.162(192.168.56.162:22)..
Tue Feb 10 21:59:19 2015 - [debug] ok.
Tue Feb 10 21:59:20 2015 - [debug]
Tue Feb 10 21:59:20 2015 - [debug] Connecting via SSH from root@192.168.56.162(192.168.56.162:22) to root@192.168.56.161(192.168.56.161:22)..
Tue Feb 10 21:59:20 2015 - [debug] ok.
Tue Feb 10 21:59:20 2015 - [info] All SSH connection tests passed successfully.
6、开启MHA
?
开启之前进行复制测试：
?
[root@zbdba1 masterha]# masterha_check_repl --conf=/etc/masterha/app1.cnf
Wed Feb 11 01:20:18 2015 - [warning] Global configuration file /etc/masterha_default.cnf not found. Skipping.
Wed Feb 11 01:20:18 2015 - [info] Reading application default configuration from /etc/masterha/app1.cnf..
Wed Feb 11 01:20:18 2015 - [info] Reading server configuration from /etc/masterha/app1.cnf..
Wed Feb 11 01:20:18 2015 - [info] MHA::MasterMonitor version 0.56.
Wed Feb 11 01:20:18 2015 - [info] GTID failover mode = 0
Wed Feb 11 01:20:18 2015 - [info] Dead Servers:
Wed Feb 11 01:20:18 2015 - [info] Alive Servers:
Wed Feb 11 01:20:18 2015 - [info] 192.168.56.161(192.168.56.161:3306)
Wed Feb 11 01:20:18 2015 - [info] 192.168.56.162(192.168.56.162:3306)
Wed Feb 11 01:20:18 2015 - [info] Alive Slaves:
Wed Feb 11 01:20:18 2015 - [info] 192.168.56