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# 连接minio并设置别名,（直接使用之前的myminio也行）
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mc alias set old_minio http://127.0.0.1:9000 admin Admin@123
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# 列出所有的桶
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mc ls old_minio
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# 全量备份到本地文件对象
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mkdir -p /backup/minio_data/
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mc mirror --overwrite old_minio/ /backup/minio_data/
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# 导出所有桶的配置（桶元信息）并移动到指定位置
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mc admin cluster bucket export old_minio && mv   old_minio-bucket-metadata.zip /backup/
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# 完整导出old_minio全部IAM（用户、策略、用户绑定的策略） 执行完成后，在 `/backup/` 下会得到 zip 包
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mc admin cluster iam export old_minio -o /backup/old_minio-iam-metadata.zip
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# 关闭minio
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systemctl stop minio

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cd /data1/minio
2

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[root@localhost /data1/minio]# tree
4
.
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├── disk1
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│   ├── bucket-2
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│   ├── test-bucket
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│   │   └── 111.json
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│   │       └── xl.meta
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│   └── upload-file
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│       └── 新建文本文档.txt
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│           └── xl.meta
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├── disk2
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│   ├── bucket-2
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│   ├── test-bucket
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│   │   └── 111.json
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│   │       └── xl.meta
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│   └── upload-file
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│       └── 新建文本文档.txt
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│           └── xl.meta
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├── disk3
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│   ├── bucket-2
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│   ├── test-bucket
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│   │   └── 111.json
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│   │       └── xl.meta
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│   └── upload-file
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│       └── 新建文本文档.txt
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│           └── xl.meta
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└── disk4
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    ├── bucket-2
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    ├── test-bucket
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    │   └── 111.json
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    │       └── xl.meta
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    └── upload-file
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        └── 新建文本文档.txt
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            └── xl.meta

1
cat > /etc/systemd/system/minio-cluster.service <<'EOF'
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[Unit]
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Description=MinIO Object Storage Server
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Documentation=https://docs.min.io
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Wants=network-online.target
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After=network-online.target
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[Service]
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User=root
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Environment="MINIO_ROOT_USER=admin"
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Environment="MINIO_ROOT_PASSWORD=Admin@123456"
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# 后续负载均衡使用
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Environment="MINIO_SERVER_URL=http://10.22.51.91:19000"
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Environment="MINIO_BROWSER_REDIRECT_URL=http://10.22.51.91:19001"
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# 集群数据目录，使用环境变量
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Environment="MINIO_VOLUMES=http://10.22.51.91/data2/minio/disk1 \
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http://10.22.51.91/data2/minio/disk2 \
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http://10.22.51.91/data2/minio/disk3 \
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http://10.22.51.91/data2/minio/disk4 \
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http://10.22.51.72/data2/minio/disk1 \
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http://10.22.51.72/data2/minio/disk2 \
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http://10.22.51.72/data2/minio/disk3 \
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http://10.22.51.72/data2/minio/disk4 \
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http://10.22.51.74/data2/minio/disk1 \
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http://10.22.51.74/data2/minio/disk2 \
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http://10.22.51.74/data2/minio/disk3 \
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http://10.22.51.74/data2/minio/disk4"
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# 执行命令：minio server 数据目录，指定console端口
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ExecStart=/usr/local/bin/minio server $MINIO_VOLUMES --console-address ":9001"
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LimitNOFILE=65536
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# 进程重启策略
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Restart=always
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RestartSec=5
37

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# 日志输出
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StandardOutput=journal+console
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StandardError=journal+console
41

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[Install]
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WantedBy=multi-user.target
44
EOF

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user root;
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worker_processes auto;
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error_log /var/log/nginx/error.log warn;
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pid /var/run/nginx.pid;
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events {
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    worker_connections 1024;
8
}
9

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http {
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    include /etc/nginx/mime.types;
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    default_type application/octet-stream;
13

14
    log_format main '$remote_addr - $remote_user [$time_local] "$request" '
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                    '$status $body_bytes_sent "$http_referer" '
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                    '"$http_user_agent" "$http_x_forwarded_for"';
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    access_log /var/log/nginx/access.log main;
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    sendfile on;
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    keepalive_timeout 65;
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    upstream minio_api {
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        ip_hash;
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        server 10.22.51.91:9000;
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        server 10.22.51.72:9000;
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        server 10.22.51.74:9000;
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    }
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    upstream minio_console {
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        server 10.22.51.91:9001;
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        server 10.22.51.72:9001;
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        server 10.22.51.74:9001;
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    }
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    server {
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        listen 19000;
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        server_name _;
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        location / {
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            proxy_http_version 1.1;
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            proxy_set_header Connection "";
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            proxy_set_header Host $host:$server_port;
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            proxy_set_header X-Real-IP $remote_addr;
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            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
45
            proxy_set_header X-Forwarded-Proto $scheme;
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47
            proxy_connect_timeout 300;
48
            proxy_send_timeout 300;
49
            proxy_read_timeout 300;
50

51
            proxy_cache off;
52
            proxy_buffering off;
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54
            proxy_pass http://minio_api;
55
        }
56
    }
57

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    server {
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        listen 19001;
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        server_name _;
61

62
        location / {
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            proxy_http_version 1.1;
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            proxy_set_header Connection "";
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            proxy_set_header Host $host:$server_port;
66
            proxy_set_header X-Real-IP $remote_addr;
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            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
68
            proxy_set_header X-Forwarded-Proto $scheme;
69

70
            proxy_connect_timeout 300;
71
            proxy_send_timeout 300;
72
            proxy_read_timeout 300;
73

74
            proxy_cache off;
75
            proxy_buffering off;
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77
            proxy_pass http://minio_console;
78
        }
79
    }
80
}

1
# # mc 测试，替换为负载服务器IP
2
mc alias set minio-cluster http://10.22.51.91:19000 admin Admin@123456
3

4
[root@localhost /root]# mc admin info minio-cluster
5
●  10.22.51.72:9000
6
   Uptime: 4 minutes
7
   Version: 2025-04-22T22:12:26Z
8
   Network: 3/3 OK
9
   Drives: 4/4 OK
10
   Pool: 1
11

12
●  10.22.51.74:9000
13
   Uptime: 4 minutes
14
   Version: 2025-04-22T22:12:26Z
15
   Network: 3/3 OK
16
   Drives: 4/4 OK
17
   Pool: 1
18

19
●  10.22.51.91:9000
20
   Uptime: 4 minutes
21
   Version: 2025-04-22T22:12:26Z
22
   Network: 3/3 OK
23
   Drives: 4/4 OK
24
   Pool: 1
25

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┌──────┬──────────────────────┬─────────────────────┬──────────────┐
27
│ Pool │ Drives Usage         │ Erasure stripe size │ Erasure sets │
28
│ 1st  │ 2.9% (total: 12 GiB) │ 12                  │ 1            │
29
└──────┴──────────────────────┴─────────────────────┴──────────────┘
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31
12 drives online, 0 drives offline, EC:4