{"id":13021,"date":"2024-11-15T14:46:47","date_gmt":"2024-11-15T06:46:47","guid":{"rendered":"https:\/\/fwq.ai\/blog\/13021\/"},"modified":"2024-11-15T14:46:47","modified_gmt":"2024-11-15T06:46:47","slug":"docker%e5%ae%b9%e5%99%a8%e7%9a%84%e5%8a%a8%e6%80%81%e5%ad%98%e5%82%a8%e6%89%a9%e5%b1%95%ef%bc%9a%e5%a6%82%e4%bd%95%e8%87%aa%e5%8a%a8%e5%a2%9e%e5%8a%a0%e5%ad%98%e5%82%a8%e5%ae%b9%e9%87%8f%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/13021\/","title":{"rendered":"Docker\u5bb9\u5668\u7684\u52a8\u6001\u5b58\u50a8\u6269\u5c55\uff1a\u5982\u4f55\u81ea\u52a8\u589e\u52a0\u5b58\u50a8\u5bb9\u91cf\uff1f"},"content":{"rendered":"

Docker\u5bb9\u5668\u7684\u52a8\u6001\u5b58\u50a8\u6269\u5c55\uff1a\u5982\u4f55\u81ea\u52a8\u589e\u52a0\u5b58\u50a8\u5bb9\u91cf\uff1f<\/h1>\n

\u5728\u73b0\u4ee3\u8f6f\u4ef6\u5f00\u53d1\u4e2d\uff0cDocker\u5bb9\u5668\u56e0\u5176\u8f7b\u91cf\u7ea7\u548c\u9ad8\u6548\u6027\u800c\u53d7\u5230\u5e7f\u6cdb\u6b22\u8fce\u3002\u968f\u7740\u5e94\u7528\u7a0b\u5e8f\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u5b58\u50a8\u9700\u6c42\u4e5f\u968f\u4e4b\u589e\u52a0\u3002\u56e0\u6b64\uff0c\u5982\u4f55\u52a8\u6001\u6269\u5c55Docker\u5bb9\u5668\u7684\u5b58\u50a8\u5bb9\u91cf\u6210\u4e3a\u4e86\u4e00\u4e2a\u91cd\u8981\u7684\u8bfe\u9898\u3002\u672c\u6587\u5c06\u63a2\u8ba8Docker\u5bb9\u5668\u7684\u52a8\u6001\u5b58\u50a8\u6269\u5c55\u65b9\u6cd5\uff0c\u4ee5\u53ca\u5982\u4f55\u5b9e\u73b0\u81ea\u52a8\u589e\u52a0\u5b58\u50a8\u5bb9\u91cf\u3002<\/p>\n

1. Docker\u5b58\u50a8\u6982\u8ff0<\/h2>\n

Docker\u4f7f\u7528\u5b58\u50a8\u9a71\u52a8\u7a0b\u5e8f\u6765\u7ba1\u7406\u5bb9\u5668\u7684\u6587\u4ef6\u7cfb\u7edf\u3002\u6bcf\u4e2a\u5bb9\u5668\u90fd\u6709\u81ea\u5df1\u7684\u6587\u4ef6\u7cfb\u7edf\uff0c\u8fd9\u4e9b\u6587\u4ef6\u7cfb\u7edf\u662f\u57fa\u4e8e\u955c\u50cf\u521b\u5efa\u7684\u3002Docker\u652f\u6301\u591a\u79cd\u5b58\u50a8\u9a71\u52a8\uff0c\u5982Overlay2\u3001aufs\u3001btrfs\u7b49\u3002\u4e86\u89e3\u8fd9\u4e9b\u5b58\u50a8\u9a71\u52a8\u7684\u7279\u6027\uff0c\u6709\u52a9\u4e8e\u6211\u4eec\u9009\u62e9\u5408\u9002\u7684\u65b9\u6848\u6765\u5b9e\u73b0\u52a8\u6001\u5b58\u50a8\u6269\u5c55\u3002<\/p>\n

2. \u52a8\u6001\u5b58\u50a8\u6269\u5c55\u7684\u9700\u6c42<\/h2>\n

\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5bb9\u5668\u7684\u5b58\u50a8\u9700\u6c42\u53ef\u80fd\u4f1a\u968f\u7740\u6570\u636e\u7684\u589e\u52a0\u800c\u53d8\u5316\u3002\u4f8b\u5982\uff0c\u6570\u636e\u5e93\u5bb9\u5668\u5728\u5904\u7406\u5927\u91cf\u6570\u636e\u65f6\uff0c\u53ef\u80fd\u9700\u8981\u66f4\u591a\u7684\u5b58\u50a8\u7a7a\u95f4\u3002\u52a8\u6001\u5b58\u50a8\u6269\u5c55\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5728\u4e0d\u505c\u6b62\u5bb9\u5668\u7684\u60c5\u51b5\u4e0b\uff0c\u589e\u52a0\u5b58\u50a8\u5bb9\u91cf\uff0c\u4ece\u800c\u63d0\u9ad8\u7cfb\u7edf\u7684\u53ef\u7528\u6027\u548c\u7075\u6d3b\u6027\u3002<\/p>\n

3. \u5b9e\u73b0\u52a8\u6001\u5b58\u50a8\u6269\u5c55\u7684\u65b9\u6cd5<\/h2>\n

3.1 \u4f7f\u7528Docker Volume<\/h3>\n

Docker Volume\u662fDocker\u63d0\u4f9b\u7684\u4e00\u79cd\u6301\u4e45\u5316\u5b58\u50a8\u673a\u5236\u3002\u901a\u8fc7\u4f7f\u7528Volume\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u6570\u636e\u5b58\u50a8\u5728\u4e3b\u673a\u6587\u4ef6\u7cfb\u7edf\u4e2d\uff0c\u800c\u4e0d\u662f\u5bb9\u5668\u5185\u90e8\u3002\u8981\u5b9e\u73b0\u52a8\u6001\u6269\u5c55\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n

docker volume create my_volume\ndocker run -d -v my_volume:\/data my_image<\/code><\/pre>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a\u201cmy_volume\u201d\u7684Volume\uff0c\u5e76\u5c06\u5176\u6302\u8f7d\u5230\u5bb9\u5668\u7684\u201c\/data\u201d\u76ee\u5f55\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u589e\u52a0\u4e3b\u673a\u4e0a\u7684\u5b58\u50a8\u7a7a\u95f4\u6765\u6269\u5c55Volume\u7684\u5bb9\u91cf\u3002<\/p>\n
3.2 \u4f7f\u7528LVM\uff08\u903b\u8f91\u5377\u7ba1\u7406\uff09<\/h3>\n
\u903b\u8f91\u5377\u7ba1\u7406\uff08LVM\uff09\u662f\u4e00\u79cd\u5728Linux\u7cfb\u7edf\u4e2d\u7ba1\u7406\u78c1\u76d8\u7a7a\u95f4\u7684\u5de5\u5177\u3002\u901a\u8fc7LVM\uff0c\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u903b\u8f91\u5377\uff0c\u5e76\u5728\u9700\u8981\u65f6\u52a8\u6001\u8c03\u6574\u5176\u5927\u5c0f\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528LVM\u6269\u5c55Docker\u5b58\u50a8\u7684\u57fa\u672c\u6b65\u9aa4\uff1a<\/p>\n
lvcreate -L 10G -n my_volume vg_name\nmkfs.ext4 \/dev\/vg_name\/my_volume\ndocker run -d -v \/dev\/vg_name\/my_volume:\/data my_image<\/code><\/pre>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a10GB\u7684\u903b\u8f91\u5377\uff0c\u5e76\u5c06\u5176\u6302\u8f7d\u5230Docker\u5bb9\u5668\u4e2d\u3002\u901a\u8fc7LVM\uff0c\u6211\u4eec\u53ef\u4ee5\u968f\u65f6\u8c03\u6574\u903b\u8f91\u5377\u7684\u5927\u5c0f\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u65ad\u589e\u957f\u7684\u5b58\u50a8\u9700\u6c42\u3002<\/p>\n
3.3 \u4f7f\u7528\u4e91\u5b58\u50a8\u89e3\u51b3\u65b9\u6848<\/h3>\n
\u8bb8\u591a\u4e91\u670d\u52a1\u63d0\u4f9b\u5546\uff08\u5982AWS\u3001Azure\u7b49\uff09\u63d0\u4f9b\u4e86\u53ef\u6269\u5c55\u7684\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\u3002\u901a\u8fc7\u5c06Docker\u5bb9\u5668\u4e0e\u4e91\u5b58\u50a8\u96c6\u6210\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u52a8\u6001\u5b58\u50a8\u6269\u5c55\u3002\u4f8b\u5982\uff0c\u4f7f\u7528AWS EBS\uff08\u5f39\u6027\u5757\u5b58\u50a8\uff09\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u8fd0\u884c\u4e2d\u7684\u5bb9\u5668\u4e2d\u52a8\u6001\u589e\u52a0\u5b58\u50a8\u5bb9\u91cf\uff1a<\/p>\n
aws ec2 modify-volume --volume-id vol-12345678 --size 20<\/code><\/pre>\n
\u901a\u8fc7\u4e0a\u8ff0\u547d\u4ee4\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06EBS\u5377\u7684\u5927\u5c0f\u4ece\u539f\u6765\u7684\u5927\u5c0f\u589e\u52a0\u523020GB\u3002\u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u5bb9\u5668\u4e2d\u91cd\u65b0\u6302\u8f7d\u8be5\u5377\uff0c\u4ee5\u4fbf\u4f7f\u7528\u65b0\u7684\u5b58\u50a8\u5bb9\u91cf\u3002<\/p>\n
4. \u81ea\u52a8\u5316\u5b58\u50a8\u6269\u5c55<\/h2>\n
\u4e3a\u4e86\u5b9e\u73b0\u81ea\u52a8\u5316\u5b58\u50a8\u6269\u5c55\uff0c\u6211\u4eec\u53ef\u4ee5\u7ed3\u5408\u76d1\u63a7\u5de5\u5177\u548c\u81ea\u52a8\u5316\u811a\u672c\u3002\u4f8b\u5982\uff0c\u4f7f\u7528Prometheus\u76d1\u63a7\u5bb9\u5668\u7684\u5b58\u50a8\u4f7f\u7528\u60c5\u51b5\uff0c\u5e76\u7ed3\u5408Kubernetes\u7684Horizontal Pod Autoscaler\uff08HPA\uff09\u6765\u81ea\u52a8\u8c03\u6574\u5b58\u50a8\u5bb9\u91cf\u3002\u5f53\u76d1\u63a7\u5230\u5b58\u50a8\u4f7f\u7528\u7387\u8d85\u8fc7\u8bbe\u5b9a\u9608\u503c\u65f6\uff0c\u81ea\u52a8\u6267\u884c\u6269\u5c55\u64cd\u4f5c\u3002<\/p>\n
\u603b\u7ed3<\/h2>\n
\u52a8\u6001\u5b58\u50a8\u6269\u5c55\u662fDocker\u5bb9\u5668\u7ba1\u7406\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u65b9\u9762\u3002\u901a\u8fc7\u4f7f\u7528Docker Volume\u3001LVM\u548c\u4e91\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\uff0c\u6211\u4eec\u53ef\u4ee5\u7075\u6d3b\u5730\u5e94\u5bf9\u4e0d\u65ad\u53d8\u5316\u7684\u5b58\u50a8\u9700\u6c42\u3002\u6b64\u5916\uff0c\u7ed3\u5408\u76d1\u63a7\u548c\u81ea\u52a8\u5316\u5de5\u5177\uff0c\u53ef\u4ee5\u5b9e\u73b0\u66f4\u9ad8\u6548\u7684\u5b58\u50a8\u7ba1\u7406\u3002\u5bf9\u4e8e\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u7075\u6d3b\u6027\u7684\u5e94\u7528\uff0c\u9009\u62e9\u5408\u9002\u7684\u5b58\u50a8\u6269\u5c55\u65b9\u6848\u81f3\u5173\u91cd\u8981\u3002\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u4e91\u670d\u52a1\u5668<\/a>\u548cVPS<\/a>\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u53ef\u4ee5\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406\u548c\u6269\u5c55\u60a8\u7684Docker\u73af\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Docker\u5bb9\u5668\u7684\u52a8\u6001\u5b58\u50a8\u6269\u5c55\uff1a\u5982\u4f55\u81ea\u52a8\u589e\u52a0\u5b58\u50a8\u5bb9\u91cf\uff1f \u5728\u73b0\u4ee3\u8f6f\u4ef6\u5f00\u53d1\u4e2d\uff0cDocker\u5bb9\u5668\u56e0\u5176\u8f7b\u91cf\u7ea7\u548c\u9ad8\u6548\u6027\u800c\u53d7\u5230\u5e7f\u6cdb\u6b22\u8fce\u3002\u968f\u7740\u5e94\u7528\u7a0b\u5e8f\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u5b58\u50a8\u9700\u6c42\u4e5f\u968f\u4e4b\u589e\u52a0\u3002\u56e0\u6b64\uff0c\u5982\u4f55\u52a8\u6001\u6269\u5c55Docker\u5bb9\u5668\u7684\u5b58\u50a8\u5bb9\u91cf\u6210\u4e3a\u4e86\u4e00\u4e2a\u91cd\u8981\u7684\u8bfe\u9898\u3002\u672c\u6587\u5c06\u63a2\u8ba8Docker\u5bb9\u5668\u7684\u52a8\u6001\u5b58\u50a8\u6269\u5c55\u65b9\u6cd5\uff0c\u4ee5\u53ca\u5982\u4f55\u5b9e\u73b0\u81ea\u52a8\u589e\u52a0\u5b58\u50a8\u5bb9\u91cf\u3002 1. Docker\u5b58\u50a8\u6982\u8ff0 Docker\u4f7f\u7528\u5b58\u50a8\u9a71\u52a8\u7a0b\u5e8f\u6765\u7ba1\u7406\u5bb9\u5668\u7684\u6587\u4ef6\u7cfb\u7edf\u3002\u6bcf\u4e2a\u5bb9\u5668\u90fd\u6709\u81ea\u5df1\u7684\u6587\u4ef6\u7cfb\u7edf\uff0c\u8fd9\u4e9b\u6587\u4ef6\u7cfb\u7edf\u662f\u57fa\u4e8e\u955c\u50cf\u521b\u5efa\u7684\u3002Docker\u652f\u6301\u591a\u79cd\u5b58\u50a8\u9a71\u52a8\uff0c\u5982Overlay2\u3001aufs\u3001btrfs\u7b49\u3002\u4e86\u89e3\u8fd9\u4e9b\u5b58\u50a8\u9a71\u52a8\u7684\u7279\u6027\uff0c\u6709\u52a9\u4e8e\u6211\u4eec\u9009\u62e9\u5408\u9002\u7684\u65b9\u6848\u6765\u5b9e\u73b0\u52a8\u6001\u5b58\u50a8\u6269\u5c55\u3002 2. \u52a8\u6001\u5b58\u50a8\u6269\u5c55\u7684\u9700\u6c42 \u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5bb9\u5668\u7684\u5b58\u50a8\u9700\u6c42\u53ef\u80fd\u4f1a\u968f\u7740\u6570\u636e\u7684\u589e\u52a0\u800c\u53d8\u5316\u3002\u4f8b\u5982\uff0c\u6570\u636e\u5e93\u5bb9\u5668\u5728\u5904\u7406\u5927\u91cf\u6570\u636e\u65f6\uff0c\u53ef\u80fd\u9700\u8981\u66f4\u591a\u7684\u5b58\u50a8\u7a7a\u95f4\u3002\u52a8\u6001\u5b58\u50a8\u6269\u5c55\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5728\u4e0d\u505c\u6b62\u5bb9\u5668\u7684\u60c5\u51b5\u4e0b\uff0c\u589e\u52a0\u5b58\u50a8\u5bb9\u91cf\uff0c\u4ece\u800c\u63d0\u9ad8\u7cfb\u7edf\u7684\u53ef\u7528\u6027\u548c\u7075\u6d3b\u6027\u3002 3. \u5b9e\u73b0\u52a8\u6001\u5b58\u50a8\u6269\u5c55\u7684\u65b9\u6cd5 3.1 \u4f7f\u7528Docker Volume Docker Volume\u662fDocker\u63d0\u4f9b\u7684\u4e00\u79cd\u6301\u4e45\u5316\u5b58\u50a8\u673a\u5236\u3002\u901a\u8fc7\u4f7f\u7528Volume\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u6570\u636e\u5b58\u50a8\u5728\u4e3b\u673a\u6587\u4ef6\u7cfb\u7edf\u4e2d\uff0c\u800c\u4e0d\u662f\u5bb9\u5668\u5185\u90e8\u3002\u8981\u5b9e\u73b0\u52a8\u6001\u6269\u5c55\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a docker volume create my_volume docker run -d -v my_volume:\/data my_image \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a\u201cmy_volume\u201d\u7684Volume\uff0c\u5e76\u5c06\u5176\u6302\u8f7d\u5230\u5bb9\u5668\u7684\u201c\/data\u201d\u76ee\u5f55\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u589e\u52a0\u4e3b\u673a\u4e0a\u7684\u5b58\u50a8\u7a7a\u95f4\u6765\u6269\u5c55Volume\u7684\u5bb9\u91cf\u3002 3.2 \u4f7f\u7528LVM\uff08\u903b\u8f91\u5377\u7ba1\u7406\uff09 \u903b\u8f91\u5377\u7ba1\u7406\uff08LVM\uff09\u662f\u4e00\u79cd\u5728Linux\u7cfb\u7edf\u4e2d\u7ba1\u7406\u78c1\u76d8\u7a7a\u95f4\u7684\u5de5\u5177\u3002\u901a\u8fc7LVM\uff0c\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u903b\u8f91\u5377\uff0c\u5e76\u5728\u9700\u8981\u65f6\u52a8\u6001\u8c03\u6574\u5176\u5927\u5c0f\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528LVM\u6269\u5c55Docker\u5b58\u50a8\u7684\u57fa\u672c\u6b65\u9aa4\uff1a lvcreate -L 10G -n my_volume vg_name mkfs.ext4 \/dev\/vg_name\/my_volume docker run -d -v \/dev\/vg_name\/my_volume:\/data my_image \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a10GB\u7684\u903b\u8f91\u5377\uff0c\u5e76\u5c06\u5176\u6302\u8f7d\u5230Docker\u5bb9\u5668\u4e2d\u3002\u901a\u8fc7LVM\uff0c\u6211\u4eec\u53ef\u4ee5\u968f\u65f6\u8c03\u6574\u903b\u8f91\u5377\u7684\u5927\u5c0f\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u65ad\u589e\u957f\u7684\u5b58\u50a8\u9700\u6c42\u3002 3.3 \u4f7f\u7528\u4e91\u5b58\u50a8\u89e3\u51b3\u65b9\u6848 \u8bb8\u591a\u4e91\u670d\u52a1\u63d0\u4f9b\u5546\uff08\u5982AWS\u3001Azure\u7b49\uff09\u63d0\u4f9b\u4e86\u53ef\u6269\u5c55\u7684\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\u3002\u901a\u8fc7\u5c06Docker\u5bb9\u5668\u4e0e\u4e91\u5b58\u50a8\u96c6\u6210\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u52a8\u6001\u5b58\u50a8\u6269\u5c55\u3002\u4f8b\u5982\uff0c\u4f7f\u7528AWS EBS\uff08\u5f39\u6027\u5757\u5b58\u50a8\uff09\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u8fd0\u884c\u4e2d\u7684\u5bb9\u5668\u4e2d\u52a8\u6001\u589e\u52a0\u5b58\u50a8\u5bb9\u91cf\uff1a aws ec2 modify-volume –volume-id vol-12345678 –size 20 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