notes/computer_science/storage/minio_backup_using_mc.md

minio backup using mc on Ubuntu Server 22.04

*reference: https://ahabug.com/?p=147

1. install mc (minio client):

   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:

   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:

   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:

   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.