Asterisk HA Solution - Rsync

系統環境

• Master Box (平日主要營運的主機)
  • hostnem = pbx-master
  • master ip = 192.168.7.62
• Slave Box (離線備份的主機，當 Master 故障時，可接手營運)
  • hostnem = pbx-slave
  • slave ip = 192.168.7.70
• Virtual IP (這又稱為 floating IP，作為主機對外服務的 IP)
  • float ip = 192.168.7.71

設定 SSH 免密碼的連接

On Master Box，同步方式：Master --push--> Slave)
建立公鑰及私鑰證書

# cd /root/.ssh
# ssh-keygen -d 
Generating public/private rsa key pair.
Enter file in which to save the key (/root/.ssh/id_rsa): <確認路徑無誤，按 Enter>
Enter passphrase (empty for no passphrase): <輸入證書的密碼>
Enter same passphrase again: <確認密碼>
Your identification has been saved in /root/.ssh/id_rsa. <這是私鑰>
Your public key has been saved in /root/.ssh/id_rsa.pub. <這是公鑰>
The key fingerprint is:
42:e6:6b:21:07:74:33:95:2c:b8:17:25:a2:53:0e:f8 root@pbx-master.local

 將公鑰檔傳送到 Slave Box 的 /root/.ssh

資料同步測試指令

rsync

兩主機資料同步的 script