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computer_science/storage/minio_backup_using_mc.md

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+# minio backup using mc on Ubuntu Server 22.04
+
+*reference: https://ahabug.com/?p=147
+
+
+
+1. install mc (minio client):
+
+   ```shell
+   sudo wget https://dl.min.io/client/mc/release/linux-amd64/mc -P /usr/local/bin/
+   sudo chmod +x /usr/local/bin/mc
+   ```
+
+2. add host:
+
+   ```shell
+   sudo mc config host add minio_master http://ip:port username password
+   sudo mc config host add minio_slave http://ip:port username password
+   ```
+
+3. make mirror from master to slave:
+
+   ```shell
+   sudo mc mirror --remove --overwrite --watch minio_master minio_slave
+   ```
+
+4. create a service named minio_mirror.service to run mirror action on system restart . service file (under /usr/lib/systemd/system):
+
+   ```
+   [Unit]
+   Description=Startup minio client to mirror slave from master
+   After=network.target
+    
+   [Service]
+   Type=simple
+   ExecStart=/usr/local/bin/mc mirror --remove --overwrite --watch minio_master minio_slave
+   Restart=on-failure
+    
+   [Install]
+   WantedBy=multi-user.target
+   ```
+
+5. enable service:
+
+   ```shell
+   sudo systemctl enable minio_mirror.service
+   sudo systemctl start minio_mirror.service
+   sudo systemctl status minio_mirror.service
+   ```
+
+6. upload some file on master and check whether the file is synced to slave.