{"id":2644,"date":"2021-10-16T06:19:42","date_gmt":"2021-10-16T13:19:42","guid":{"rendered":"https:\/\/www.xh86.me\/?p=2644"},"modified":"2021-10-16T14:40:02","modified_gmt":"2021-10-16T21:40:02","slug":"%e6%83%8a%e5%88%b0%e4%ba%86%ef%bc%810-2-%e7%a7%92%e5%b1%85%e7%84%b6%e5%a4%8d%e5%88%b6%e4%ba%86-100g-%e6%96%87%e4%bb%b6%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.xh86.me\/?p=2644","title":{"rendered":"0.2 \u79d2\u5c45\u7136\u590d\u5236\u4e86 100G \u6587\u4ef6\uff1f"},"content":{"rendered":"
\n
\n

cp \u5f15\u53d1\u7684\u601d\u8003<\/span><\/h2>\n

\u4eca\u5929\u540c\u4e8b\u7528 cp \u547d\u4ee4\uff0c\u628a\u4ed6\u7ed9\u60ca\u5230\u4e86\uff01<\/p>\n

\u80cc\u666f\u662f\u8fd9\u6837\u7684\uff1a\u4ed6\u7528 cp \u00a0\u62f7\u8d1d\u4e86\u4e00\u4e2a 100 G\u7684\u6587\u4ef6\uff0c\u7adf\u7136\u4e00\u79d2\u4e0d\u5230\u5c31\u62f7\u8d1d\u5b8c\u6210\u4e86\uff01<\/p>\n

\u7528 ls \u00a0\u770b\u4e00\u628a\u6587\u4ef6\uff0c\u663e\u793a\u6587\u4ef6\u786e\u5b9e\u662f 100 G\u3002<\/p>\n

sh-4.4#\u00a0ls\u00a0-lh<\/span>\r\n-rw-r--r--\u00a01\u00a0root\u00a0root\u00a0100G\u00a0Mar\u00a0\u00a06\u00a012:22\u00a0test.txt\r\n<\/code><\/pre>\n
\u4f46\u662fcopy\u8d77\u6765\u4e3a\u4ec0\u4e48\u4f1a\u8fd9\u4e48\u5feb\u5462\uff1f<\/p>\n
sh-4.4#\u00a0time\u00a0cp\u00a0.\/test.txt\u00a0.\/test.txt.cp<\/span><\/code><\/pre>\n
real\u00a00m0.107s
\nuser\u00a00m0.008s
\nsys\u00a00m0.085s<\/p>\n
<\/code><\/pre>\n
\u4e00\u4e2a SATA \u673a\u68b0\u76d8\u7684\u5199\u80fd\u529b\u80fd\u5230 150 M\/s \uff08\u5927\u90e8\u5206\u7684\u673a\u68b0\u76d8\u90fd\u662f\u5230\u4e0d\u4e86\u8fd9\u4e2a\u503c\u7684\uff09\u5c31\u7b97\u975e\u5e38\u4e0d\u9519\u4e86\uff0c\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0ccopy \u4e00\u4e2a 100G \u7684\u6587\u4ef6\u81f3\u5c11\u8981 682 \u79d2 ( 100 G\/ 150 M\/s )\uff0c\u4e5f\u5c31\u662f 11 \u5206\u949f\u3002<\/p>\n
\u5b9e\u9645\u60c5\u51b5\u5374\u662f cp \u4e00\u79d2\u6ca1\u5230\u5c31\u5b8c\u6210\u4e86\u5de5\u4f5c\uff0c\u60ca\u5446\u4e86\uff0c\u4e3a\u5565\u5462\uff1f<\/p>\n
\u66f4\u8be1\u5f02\u7684\u662f\uff1a\u4ed6\u7684\u6587\u4ef6\u7cfb\u7edf\u53ea\u6709 40 G\uff0c\u4e3a\u5565\u91cc\u9762\u4f1a\u6709\u4e00\u4e2a 100 G\u7684\u6587\u4ef6\u5462\uff1f<\/p>\n
\u540c\u4e8b\u628a\u6211\u627e\u6765\uff0c\u770b\u770b\u8fd9\u4e2a\u8be1\u5f02\u7684\u95ee\u9898\u3002<\/p>\n
\u5206\u6790\u6587\u4ef6<\/span><\/h2>\n
\u6211\u8ba9\u4ed6\u5148\u7528 du \u547d\u4ee4\u770b\u4e00\u4e0b\uff0c\u5374\u53ea\u6709 2M \uff0c\u6839\u672c\u4e0d\u662f100G\uff0c\u8fd9\u662f\u600e\u4e48\u56de\u4e8b\uff1f<\/p>\n
sh-4.4#\u00a0du\u00a0-sh\u00a0.\/test.txt<\/span>\r\n2.0M\u00a0.\/test.txt\r\n<\/code><\/pre>\n
\u518d\u770b stat \u547d\u4ee4\u663e\u793a\u7684\u4fe1\u606f\uff1a<\/p>\n
sh-4.4#\u00a0stat\u00a0.\/test.txt<\/span>\r\n\u00a0\u00a0File:\u00a0.\/test.txt\r\n\u00a0\u00a0Size:\u00a0107374182400\u00a0Blocks:\u00a04096\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0IO\u00a0Block:\u00a04096\u00a0\u00a0\u00a0regular\u00a0file\r\nDevice:\u00a078h\/120d\u00a0Inode:\u00a03148347\u00a0\u00a0\u00a0\u00a0\u00a0Links:\u00a01\r\nAccess:\u00a0(0644\/-rw-r--r--)\u00a0\u00a0Uid:\u00a0(\u00a0\u00a0\u00a0\u00a00\/\u00a0\u00a0\u00a0\u00a0root)\u00a0\u00a0\u00a0Gid:\u00a0(\u00a0\u00a0\u00a0\u00a00\/\u00a0\u00a0\u00a0\u00a0root)\r\nAccess:\u00a02021-03-13\u00a012:22:00.888871000\u00a0+0000\r\nModify:\u00a02021-03-13\u00a012:22:46.562243000\u00a0+0000\r\nChange:\u00a02021-03-13\u00a012:22:46.562243000\u00a0+0000\r\n\u00a0Birth:\u00a0-\r\n<\/code><\/pre>\n
stat \u547d\u4ee4\u8f93\u51fa\u89e3\u91ca\uff1a<\/h6>\n
    \n
  • \n
    Size \u4e3a 107374182400\uff08\u77e5\u8bc6\u70b9\uff1a\u5355\u4f4d\u662f\u5b57\u8282\uff09\uff0c\u4e5f\u5c31\u662f 100G \uff1b<\/section>\n<\/li>\n
  • \n
    Blocks \u8fd9\u4e2a\u6307\u6807\u663e\u793a\u4e3a 4096\uff08\u77e5\u8bc6\u70b9\uff1a\u4e00\u4e2a Block \u7684\u5355\u4f4d\u56fa\u5b9a\u662f 512 \u5b57\u8282\uff0c\u4e5f\u5c31\u662f\u4e00\u4e2a\u6247\u533a\u7684\u5927\u5c0f\uff09\uff0c\u8fd9\u91cc\u8868\u793a\u4e3a 2M\uff1b<\/section>\n<\/li>\n<\/ul>\n
    \u5212\u91cd\u70b9\uff1a<\/h6>\n
      \n
    • \n
      Size \u8868\u793a\u7684\u662f\u6587\u4ef6\u5927\u5c0f\uff0c\u8fd9\u4e2a\u4e5f\u662f\u5927\u591a\u6570\u4eba\u770b\u5230\u7684\u5927\u5c0f\uff1b<\/section>\n<\/li>\n
    • \n
      Blocks \u8868\u793a\u7684\u662f\u7269\u7406\u5b9e\u9645\u5360\u7528\u7a7a\u95f4\uff1b<\/section>\n<\/li>\n<\/ul>\n
      \u540c\u4e8b\u95ee\u9053\uff1a\u201c**\u6587\u4ef6\u5927\u5c0f\u548c\u5b9e\u9645\u7269\u7406\u5360\u7528\uff0c\u8fd9\u4e24\u4e2a\u7adf\u7136\u4e0d\u662f\u76f8\u540c\u7684\u6982\u5ff5 **\uff01\u4e3a\u4ec0\u4e48\u662f\u8fd9\u6837\uff1f\u201d<\/p>\n
      \u201c\u770b\u6765\uff0c\u6211\u4eec\u5fc5\u987b\u5f97\u6df1\u5165\u6587\u4ef6\u7cfb\u7edf\u624d\u80fd\u7406\u89e3\u4e86\uff0c\u6765\uff0c\u6211\u7ed9\u4f60\u597d\u597d\u8bb2\u8bb2\u3002\u201d<\/p>\n
      \u6587\u4ef6\u7cfb\u7edf<\/span><\/h2>\n
      \u6587\u4ef6\u7cfb\u7edf\u542c\u8d77\u6765\u5f88\u9ad8\u5927\u4e0a\uff0c\u901a\u4fd7\u8bdd\u5c31\u7528\u6765\u5b58\u6570\u636e\u7684\u4e00\u4e2a\u5bb9\u5668<\/span>\u800c\u5df2\uff0c\u672c\u8d28\u548c\u4f60\u7684\u884c\u674e\u7bb1\u3001\u4ed3\u5e93\u6ca1\u6709\u5565\u533a\u522b\uff0c\u53ea\u4e0d\u8fc7\u6587\u4ef6\u7cfb\u7edf\u5b58\u50a8\u7684\u662f\u6570\u5b57\u4ea7\u54c1\u800c\u5df2\u3002<\/p>\n
      \u6211\u6709\u4e00\u4e2a\u89c6\u9891\u6587\u4ef6\uff0c\u6211\u628a\u8fd9\u4e2a\u89c6\u9891\u653e\u5230\u8fd9\u4e2a\u6587\u4ef6\u7cfb\u7edf\u91cc\uff0c\u4e0b\u6b21\u6765\u62ff\uff0c\u8981\u80fd\u62ff\u5230\u6211\u5b8c\u6574\u7684\u89c6\u9891\u6587\u4ef6\u6570\u636e\uff0c\u8fd9\u5c31\u662f\u6587\u4ef6\u7cfb\u7edf\uff0c\u5bf9\u5916\u63d0\u4f9b\u7684\u5c31\u662f\u5b58\u53d6\u670d\u52a1<\/span>\u3002<\/p>\n
      \u73b0\u5b9e\u7684\u5b58\u53d6\u573a\u666f<\/span><\/h2>\n
      \u4f8b\u5982\u4f60\u5230\u706b\u8f66\u7ad9\u4f7f\u7528\u5bc4\u5b58\u670d\u52a1\uff1a<\/p>\n
      \u5b58\u884c\u674e\u7684\u65f6\u5019\uff0c\u662f\u4e0d\u662f\u8981\u767b\u8bb0\u4e00\u4e9b\u4e2a\u4eba\u4fe1\u606f\uff1f\u5bf9\u5427\uff0c\u81f3\u5c11\u81ea\u5df1\u540d\u5b57\u8981\u5199\u4e0a\u3002\u53ef\u80fd\u8fd8\u4f1a\u7ed9\u4f60\u4e00\u4e2a\u724c\u5b50\uff0c\u8ba9\u4f60\u6302\u624b\u4e0a\uff0c\u8fd9\u4e2a\u4e1c\u897f\u5c31\u662f\u4e3a\u4e86\u6807\u793a\u6bcf\u4e00\u4e2a\u552f\u4e00\u7684\u884c\u674e\u3002<\/p>\n
      <\/div><\/p>\n
      \u53d6\u884c\u674e\u7684\u65f6\u5019\uff0c\u8981\u62a5\u81ea\u5df1\u540d\u5b57\uff0c\u6709\u724c\u5b50\u7684\u7ed9\u4ed6\u724c\u5b50\uff0c\u7136\u540e\u5de5\u4f5c\u4eba\u5458\u624d\u80fd\u53bb\u7279\u5b9a\u7684\u4f4d\u7f6e\u627e\u5230\u4f60\u7684\u884c\u674e<\/p>\n
      <\/div><\/p>\n
      \u5212\u91cd\u70b9\uff1a\u5b58\u7684\u65f6\u5019\u5fc5\u987b\u8bb0\u5f55\u4e00\u4e9b\u5173\u952e\u4fe1\u606f\uff08\u8bb0\u5f55ID\u3001\u7ed9\u8eab\u4efd\u724c\uff09\uff0c\u53d6\u7684\u65f6\u5019\u624d\u80fd\u6b63\u786e\u5b9a\u4f4d\u5230\u3002<\/span><\/p>\n
      \u6587\u4ef6\u7cfb\u7edf<\/span><\/h2>\n
      \u56de\u5230\u6211\u4eec\u7684\u6587\u4ef6\u7cfb\u7edf\uff0c\u5bf9\u6bd4\u4e0a\u9762\u7684\u884c\u674e\u5b58\u53d6\u884c\u4e3a\uff0c\u53ef\u4ee5\u505a\u4e2a\u7b80\u5355\u7684\u7c7b\u6bd4\uff1b<\/p>\n
        \n
      • \n
        \u767b\u8bb0\u540d\u5b57\u5c31\u662f\u5728\u6587\u4ef6\u7cfb\u7edf\u8bb0\u5f55\u6587\u4ef6\u540d\uff1b<\/section>\n<\/li>\n
      • \n
        \u751f\u6210\u7684\u724c\u5b50\u5c31\u662f\u5143\u6570\u636e\u7d22\u5f15\uff1b<\/section>\n<\/li>\n
      • \n
        \u4f60\u7684\u884c\u674e\u5c31\u662f\u6587\u4ef6\uff1b<\/section>\n<\/li>\n
      • \n
        \u5bc4\u5b58\u5ba4\u5c31\u662f\u78c1\u76d8\uff08\u5bb9\u7eb3\u4e1c\u897f\u7684\u7269\u7406\u7a7a\u95f4\uff09\uff1b<\/section>\n<\/li>\n
      • \n
        \u7ba1\u7406\u5458\u6574\u5957\u8fd0\u884c\u673a\u5236\u5c31\u662f\u6587\u4ef6\u7cfb\u7edf\uff1b<\/section>\n<\/li>\n<\/ul>\n
        \u4e0a\u9762\u7684\u5bf9\u5e94\u5e76\u4e0d\u662f\u975e\u5e38\u4e25\u8c28\uff0c\u4ec5\u4ec5\u662f\u5e2e\u52a9\u5927\u5bb6\u7406\u89e3\u6587\u4ef6\u7cfb\u7edf\u800c\u5df2\uff0c\u8ba9\u5927\u5bb6\u77e5\u9053\u5176\u5b9e\u6587\u4ef6\u7cfb\u7edf\u662f\u975e\u5e38\u6734\u5b9e\u7684\u4e00\u4e2a\u4e1c\u897f\uff0c\u601d\u60f3\u90fd\u6765\u6e90\u4e8e\u751f\u6d3b\u3002<\/p>\n
        \u7a7a\u95f4\u7ba1\u7406<\/span><\/h2>\n
        \u73b0\u5728\u601d\u8003\u6587\u4ef6\u7cfb\u7edf\u662f\u600e\u4e48\u7ba1\u7406\u7a7a\u95f4\u7684\uff1f<\/p>\n
        \u5982\u679c\uff0c\u4e00\u4e2a\u8fde\u7eed\u7684\u5927\u78c1\u76d8\u7a7a\u95f4\u7ed9\u4f60\u4f7f\u7528\uff0c\u4f60\u4f1a\u600e\u4e48\u4f7f\u7528\u8fd9\u6bb5\u7a7a\u95f4\u5462\uff1f<\/p>\n
        \u76f4\u89c2\u7684\u4e00\u4e2a\u60f3\u6cd5\uff0c\u6211\u628a\u8fdb\u6765\u7684\u6570\u636e\u5c31\u5b8c\u6574\u7684\u653e\u8fdb\u53bb\u3002<\/p>\n
        <\/div><\/p>\n
        \u8fd9\u79cd\u65b9\u5f0f\u975e\u5e38\u5bb9\u6613\u5b9e\u73b0\uff0c\u5c5e\u4e8e\u773c\u524d\u6700\u7b80\u5355\uff0c\u4ee5\u540e\u6700\u9ebb\u70e6\u7684\u65b9\u5f0f\u3002\u56e0\u4e3a\u4f1a\u9020\u6210\u5f88\u591a\u7a7a\u6d1e\uff0c\u660e\u660e\u8fd8\u6709\u5f88\u591a\u7a7a\u95f4\u4f4d\u7f6e\uff0c\u4f46\u662f\u7531\u4e8e\u6574\u4e2a\u592a\u5927\uff0c\u5f62\u72b6\u4e0d\u5408\u9002\uff08\u6570\u636e\u5927\u5c0f\uff09\uff0c\u54ea\u91cc\u90fd\u653e\u4e0d\u4e0b\u3002\u56e0\u4e3a\u4f60\u8981\u653e\u4e00\u4e2a\u5b8c\u6574\u7684\u7a7a\u95f4\u3002<\/p>\n
        \u600e\u4e48\u6539\u8fdb\uff1f\u6709\u4eba\u4f1a\u60f3\uff0c\u65e2\u7136\u6574\u4e2a\u653e\u4e0d\u8fdb\u53bb\uff0c\u90a3\u5c31\u5241\u788e\u4e86\u5457\u3002\u8fd9\u91cc\u585e\u4e00\u70b9\uff0c\u90a3\u91cc\u585e\u4e00\u70b9\uff0c\u5c31\u585e\u8fdb\u53bb\u4e86\u3002<\/p>\n
        \u5bf9\uff0c\u601d\u8def\u5b8c\u5168\u6b63\u786e\u3002\u6539\u8fdb\u7684\u65b9\u5f0f\u5c31\u662f\u5207\u5206\uff0c\u628a\u7a7a\u95f4\u6309\u7167\u4e00\u5b9a\u7c92\u5ea6\u5207\u5206<\/span>\u3002\u6bcf\u4e2a\u5c0f\u7c92\u5ea6\u7684\u7269\u7406\u5757\u547d\u540d\u4e3a Block\uff0c\u6bcf\u4e2a Block \u4e00\u822c\u662f 4K \u5927\u5c0f\uff0c\u7528\u6237\u6570\u636e\u5b58\u5230\u6587\u4ef6\u7cfb\u7edf\u91cc\u6765\u81ea\u7136\u4e5f\u662f\u8981\u5207\u5206\uff0c\u5b58\u50a8\u5230\u78c1\u76d8\u4e0a\u5404\u4e2a\u89d2\u843d\u3002<\/p>\n
        <\/div><\/p>\n
        \u56fe\u793a\u6807\u53f7\u8868\u793a\u8fd9\u4e2a\u5b8c\u6574\u5bf9\u8c61\u7684 Block \u7684\u5e8f\u53f7\uff0c\u7528\u6765\u590d\u539f\u5bf9\u8c61\u7528\u7684\u3002<\/p>\n
        \u968f\u4e4b\u800c\u6765\u53c8\u6709\u4e00\u4e2a\u95ee\u9898\uff1a\u4f60\u5149\u4f1a\u5207\u6210\u5757\u8fd8\u4e0d\u884c\uff0c\u53d6\u6587\u4ef6\u6570\u636e\u7684\u65f6\u5019\uff0c\u8fd8\u5f97\u628a\u5b83\u4eec\u7ed9\u7ec4\u5408\u8d77\u6765\u624d\u884c\u3002<\/p>\n
        \u6240\u4ee5\uff0c\u8981\u6709\u4e00\u4e2a\u8868\u8bb0\u5f55\u6587\u4ef6\u5bf9\u5e94\u6240\u6709 Block \u7684\u4f4d\u7f6e\uff0c\u8fd9\u4e2a\u8868\u88ab\u6587\u4ef6\u7cfb\u7edf\u79f0\u4e3ainode<\/span>\u3002<\/p>\n
        \u5199\u6587\u4ef6\u7684\u6d41\u7a0b\u662f\u8fd9\u6837\u7684\uff1a<\/h6>\n
          \n
        • \n
          \u5148\u5199\u6570\u636e\uff1a\u6570\u636e\u5148\u6309\u7167 Block \u7c92\u5ea6\u5b58\u50a8\u5230\u78c1\u76d8\u7684\u5404\u4e2a\u4f4d\u7f6e\uff1b<\/section>\n<\/li>\n
        • \n
          \u518d\u5199\u5143\u6570\u636e\uff1a\u7136\u540e\u628a Block \u6240\u5728\u7684\u5404\u4e2a\u4f4d\u7f6e\u4fdd\u5b58\u8d77\u6765\uff0c\u5373inode\uff08\u6211\u7528\u4e00\u672c\u4e66\u6765\u8868\u793a\uff09\uff1b<\/section>\n<\/li>\n<\/ul>\n
          <\/div><\/p>\n
          \u8bfb\u6587\u4ef6\u6d41\u7a0b\u5219\u662f\uff1a<\/h6>\n
            \n
          • \n
            \u5148\u8bfbinode\uff0c\u627e\u5230\u5404\u4e2a Block \u7684\u4f4d\u7f6e\uff1b<\/section>\n<\/li>\n
          • \n
            \u7136\u540e\u8bfb\u6570\u636e\uff0c\u6784\u9020\u4e00\u4e2a\u5b8c\u6574\u7684\u6587\u4ef6\uff0c\u7ed9\u5230\u7528\u6237\uff1b\u00a0<\/section>\n<\/li>\n<\/ul>\n
            <\/div><\/p>\n
            inode\/block \u6982\u5ff5<\/span><\/h2>\n
            \u597d\uff0c\u6211\u4eec\u73b0\u5728\u6765\u770b\u770binode\uff0c\u76f4\u89c2\u5730\u611f\u53d7\u4e00\u4e0b\uff1a<\/p>\n
            <\/div><\/figure>\n
            \u8fd9\u4e2ainode\u6709\u6587\u4ef6\u5143\u6570\u636e\u548cBlock\u6570\u7ec4\uff08\u957f\u5ea6\u662f15\uff09\uff0c\u6570\u7ec4\u4e2d\u524d\u4e24\u9879\u6307\u5411Block 3\u548cBlock 11\uff0c\u8868\u793a\u6570\u636e\u5728\u8fd9\u4e24\u4e2a\u5757\u4e2d\u5b58\u7740\u3002<\/p>\n
            \u4f60\u80af\u5b9a\u4f1a\u610f\u8bc6\u5230\uff1aBlock\u6570\u7ec4\u53ea\u670915\u4e2a\u5143\u7d20\uff0c\u6bcf\u4e2aBlock\u662f4K\uff0c \u96be\u9053\u4e00\u4e2a\u6587\u4ef6\u6700\u5927\u53ea\u80fd\u662f 15 * 4K = \u00a060 K ?<\/p>\n
            \u8fd9\u662f\u7edd\u5bf9\u4e0d\u884c\u7684\uff01<\/p>\n
            \u6700\u7b80\u5355\u7684\u529e\u6cd5\u5c31\u662f\uff1a\u628a\u8fd9\u4e2aBlock\u6570\u7ec4\u957f\u5ea6\u7ed9\u6269\u5927\uff01<\/p>\n
            \u6bd4\u5982\u6211\u4eec\u60f3\u8ba9\u6587\u4ef6\u7cfb\u7edf\u6700\u5927\u652f\u6301100G\u7684\u6587\u4ef6\uff0cBlock\u6570\u7ec4\u9700\u8981\u8fd9\u4e48\u957f\uff1a<\/p>\n
            (1001024<\/em>1024)\/4 = 26214400<\/p>\n
            Block\u6570\u7ec4\u4e2d\u6bcf\u4e00\u9879\u662f4\u4e2a\u5b57\u8282\uff0c\u90a3\u5c31\u9700\u8981(26214400*4)\/1024\/1024 = 100M \u4e3a\u4e86\u652f\u6301100G\u7684\u6587\u4ef6\uff0c\u6211\u4eec\u7684Block\u6570\u7ec4\u672c\u8eab\u5c31\u5f97100M \uff01<\/p>\n
            \u5e76\u4e14\u5bf9\u6bcf\u4e2a\u6587\u4ef6\u90fd\u662f\u5982\u6b64 \uff01\u5373\u4f7f\u8fd9\u4e2a\u6587\u4ef6\u53ea\u67091K\uff01\u8fd9\u5c06\u662f\u5de8\u5927\u6d6a\u8d39\uff01<\/p>\n
            \u80af\u5b9a\u4e0d\u80fd\u8fd9\u4e48\u5e72\uff0c\u89e3\u51b3\u65b9\u6848\u5c31\u662f\u95f4\u63a5\u7d22\u5f15\uff0c\u6309\u7167\u7ea6\u5b9a\uff0c\u628a\u8fd9 15 \u4e2a\u69fd\u4f4d\u5206\u4f5c 4 \u4e2a\u4e0d\u540c\u7c7b\u522b\u6765\u7528\uff1a<\/p>\n
              \n
            • \n
              \u524d 12 \u4e2a\u69fd\u4f4d\uff08\u4e5f\u5c31\u662f 0 – 11 \uff09\u6211\u4eec\u6210\u4e3a\u76f4\u63a5\u7d22\u5f15\uff1b<\/section>\n<\/li>\n
            • \n
              \u7b2c 13 \u4e2a\u4f4d\u7f6e\uff0c\u6211\u4eec\u79f0\u4e3a 1 \u7ea7\u7d22\u5f15\uff1b<\/section>\n<\/li>\n
            • \n
              \u7b2c 14 \u4e2a\u4f4d\u7f6e\uff0c\u6211\u4eec\u79f0\u4e3a 2 \u7ea7\u7d22\u5f15\uff1b<\/section>\n<\/li>\n
            • \n
              \u7b2c 15 \u4e2a\u4f4d\u7f6e\uff0c\u6211\u4eec\u79f0\u4e3a 3 \u7ea7\u7d22\u5f15\uff1b<\/section>\n<\/li>\n<\/ul>\n
              <\/div><\/figure>\n
              \u76f4\u63a5\u7d22\u5f15<\/span>\uff1a\u80fd\u5b58 12 \u4e2a block \u7f16\u53f7\uff0c\u6bcf\u4e2a block 4K\uff0c\u5c31\u662f 48K\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c48K \u4ee5\u5185\u7684\u6587\u4ef6\uff0c\u524d 12 \u4e2a\u69fd\u4f4d\u5b58\u50a8\u7f16\u53f7\u5c31\u80fd\u5b8c\u5168 hold \u4f4f\u3002<\/p>\n
              \u4e00\u7ea7\u7d22\u5f15\uff1a<\/h6>\n
              \u4e5f\u5c31\u662f\u8bf4\u8fd9\u91cc\u5b58\u50a8\u7684\u7f16\u53f7\u6307\u5411\u7684 block \u91cc\u9762\u5b58\u50a8\u7684\u4e5f\u662f block \u7f16\u53f7\uff0c\u91cc\u9762\u7684\u7f16\u53f7\u6307\u5411\u7528\u6237\u6570\u636e\u3002\u4e00\u4e2a block \u00a04K\uff0c\u6bcf\u4e2a\u5143\u7d20 4 \u5b57\u8282\uff0c\u4e5f\u5c31\u662f\u6709 1024 \u4e2a\u7f16\u53f7\u4f4d\u7f6e\u53ef\u4ee5\u5b58\u50a8\u3002<\/p>\n
              \u6240\u4ee5\uff0c\u4e00\u7ea7\u7d22\u5f15\u80fd\u5bfb\u5740 4M\uff081024 * 4K\uff09\u7a7a\u95f4 \u3002<\/p>\n
              <\/div><\/figure>\n
              \u4e8c\u7ea7\u7d22\u5f15\uff1a<\/h6>\n
              \u4e8c\u7ea7\u7d22\u5f15\u662f\u5728\u4e00\u7ea7\u7d22\u5f15\u7684\u57fa\u7840\u4e0a\u591a\u4e86\u4e00\u7ea7\u800c\u5df2\uff0c\u6362\u7b97\u4e0b\u6765\uff0c\u6709\u4e86 4M \u7684\u7a7a\u95f4\u7528\u6765\u5b58\u50a8\u7528\u6237\u6570\u636e\u7684\u7f16\u53f7\u3002\u6240\u4ee5\u4e8c\u7ea7\u7d22\u5f15\u80fd\u5bfb\u5740 4G (4M\/4 * 4K) \u7684\u7a7a\u95f4\u3002<\/p>\n
              <\/div><\/figure>\n
              \u4e09\u7ea7\u7d22\u5f15\uff1a<\/h6>\n
              \u4e09\u7ea7\u7d22\u5f15\u662f\u5728\u4e8c\u7ea7\u7d22\u5f15\u7684\u57fa\u7840\u4e0a\u53c8\u591a\u4e86\u4e00\u7ea7\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u6709\u4e86 4G \u7684\u7a7a\u95f4\u6765\u5b58\u50a8\u7528\u6237\u6570\u636e\u7684 block \u7f16\u53f7\u3002\u6240\u4ee5\u4e8c\u7ea7\u7d22\u5f15\u80fd\u5bfb\u5740 4T \uff084G\/4 * 4K\uff09 \u7684\u7a7a\u95f4\u3002<\/p>\n
              <\/div><\/figure>\n
              \u6240\u4ee5\uff0c\u5728\u8fd9\u79cd\u6587\u4ef6\u7cfb\u7edf\uff08\u5982ext2\uff09\u4e0a\uff0c\u901a\u8fc7\u8fd9\u79cd\u95f4\u63a5\u5757\u7d22\u5f15\u7684\u65b9\u5f0f\uff0c\u6700\u5927\u80fd\u652f\u6491\u7684\u6587\u4ef6\u5927\u5c0f = 48K + 4M + 4G + 4T \uff0c\u7ea6\u7b49\u4e8e 4 T\u3002<\/p>\n
              \u8fd9\u79cd\u591a\u7ea7\u7d22\u5f15\u5bfb\u5740\u6027\u80fd\u8868\u73b0\u600e\u4e48\u6837\uff1f<\/span><\/p>\n
              \u5728\u4e0d\u8d85\u8fc7 12 \u4e2a\u6570\u636e\u5757\u7684\u5c0f\u6587\u4ef6\u7684\u5bfb\u5740\u662f\u6700\u5feb\u7684\uff0c\u8bbf\u95ee\u6587\u4ef6\u4e2d\u7684\u4efb\u610f\u6570\u636e\u7406\u8bba\u53ea\u9700\u8981\u4e24\u6b21\u8bfb\u76d8\uff0c\u4e00\u6b21\u8bfb inode\uff0c\u4e00\u6b21\u8bfb\u6570\u636e\u5757\u3002<\/p>\n
              \u8bbf\u95ee\u5927\u6587\u4ef6\u4e2d\u7684\u6570\u636e\u5219\u9700\u8981\u6700\u591a\u4e94\u6b21\u8bfb\u76d8\u64cd\u4f5c\uff1ainode\u3001\u4e00\u7ea7\u95f4\u63a5\u5bfb\u5740\u5757\u3001\u4e8c\u7ea7\u95f4\u63a5\u5bfb\u5740\u5757\u3001\u4e09\u7ea7\u95f4\u63a5\u5bfb\u5740\u5757\u3001\u6570\u636e\u5757\u3002<\/p>\n
              \u4e3a\u4ec0\u4e48cp\u90a3\u4e48\u5feb\uff1f<\/span><\/h2>\n
              \u63a5\u4e0b\u6765\u6211\u4eec\u8981\u5199\u5165\u4e00\u4e2a\u5947\u602a\u7684\u6587\u4ef6\uff0c\u8fd9\u4e2a\u6587\u4ef6\u5f88\u5927\uff0c\u4f46\u662f\u771f\u6b63\u7684\u6570\u636e\u53ea\u67098K\uff1a<\/p>\n
              \u5728[0,4K]\u8fd9\u4f4d\u7f6e\u67094K\u7684\u6570\u636e<\/p>\n
              \u5728[1T , 1T+4K] \u5904\u4e5f\u67094K\u6570\u636e<\/p>\n
              \u4e2d\u95f4\u6ca1\u6709\u6570\u636e\uff0c\u8fd9\u6837\u7684\u6587\u4ef6\u8be5\u5982\u4f55\u5199\u5165\u786c\u76d8\uff1f<\/p>\n
                \n
              • \n
                \u521b\u5efa\u4e00\u4e2a\u6587\u4ef6\uff0c\u8fd9\u4e2a\u65f6\u5019\u5206\u914d\u4e00\u4e2a inode\uff1b<\/section>\n<\/li>\n
              • \n
                \u5728 [ 0\uff0c4K ] \u7684\u4f4d\u7f6e\u5199\u5165 4K \u6570\u636e\uff0c\u8fd9\u4e2a\u65f6\u5019\u53ea\u9700\u8981 \u4e00\u4e2a block\uff0c\u628a\u8fd9\u4e2a\u7f16\u53f7\u5199\u5230 block[0] \u8fd9\u4e2a\u4f4d\u7f6e\u4fdd\u5b58\u8d77\u6765\uff1b<\/section>\n<\/li>\n
              • \n
                \u5728 [ 1T\uff0c1T+4K ] \u7684\u4f4d\u7f6e\u5199\u5165 4K \u6570\u636e\uff0c\u8fd9\u4e2a\u65f6\u5019\u9700\u8981\u5206\u914d\u4e00\u4e2a block\uff0c\u56e0\u4e3a\u8fd9\u4e2a\u4f4d\u7f6e\u5df2\u7ecf\u843d\u5230\u4e09\u7ea7\u7d22\u5f15\u624d\u80fd\u8868\u73b0\u7684\u7a7a\u95f4\u4e86\uff0c\u6240\u4ee5\u9700\u8981\u8fd8\u9700\u8981\u5206\u914d\u51fa 3 \u4e2a\u7d22\u5f15\u5757\uff1b<\/section>\n<\/li>\n
              • \n
                \u5199\u5165\u5b8c\u6210\uff0cclose \u6587\u4ef6\uff1b<\/section>\n<\/li>\n<\/ul>\n
                \u5b9e\u9645\u5b58\u50a8\u5982\u56fe\uff1a<\/p>\n
                <\/div><\/figure>\n
                \u8fd9\u4e2a\u65f6\u5019\uff0c\u6211\u4eec\u7684\u6587\u4ef6\u770b\u8d77\u6765\u662f\u8d85\u5927\u6587\u4ef6\uff0csize \u7b49\u4e8e 1T+4K \uff0c\u4f46\u91cc\u9762\u5b9e\u9645\u7684\u6570\u636e\u53ea\u6709 8 K\uff0c\u4f4d\u7f6e\u5206\u522b\u662f \u00a0[ 0\uff0c4K ] \uff0c[ 1T\uff0c1T+4K ]\u3002<\/p>\n
                \u7531\u4e8e\u6ca1\u5199\u6570\u636e\u7684\u5730\u65b9\u4e0d\u7528\u5206\u914d\u7269\u7406block\u5757\uff0c\u6240\u4ee5\u5b9e\u9645\u5360\u7528\u7684\u7269\u7406\u7a7a\u95f4\u53ea\u67098K\u3002<\/p>\n
                \u91cd\u70b9\uff1a\u6587\u4ef6 size \u53ea\u662f inode \u91cc\u9762\u7684\u4e00\u4e2a\u5c5e\u6027\uff0c\u5b9e\u9645\u7269\u7406\u7a7a\u95f4\u5360\u7528\u5219\u662f\u8981\u770b\u7528\u6237\u6570\u636e\u653e\u4e86\u591a\u5c11\u4e2a block \uff0c\u6ca1\u5199\u6570\u636e\u7684\u5730\u65b9\u4e0d\u7528\u5206\u914d\u7269\u7406block\u5757\u3002<\/p>\n
                \u8fd9\u6837\u7684\u6587\u4ef6\u5176\u5b9e\u5c31\u662f\u7a00\u758f\u6587\u4ef6\uff0c \u5b83\u7684\u903b\u8f91\u5927\u5c0f\u548c\u5b9e\u9645\u7269\u7406\u7a7a\u95f4\u662f\u4e0d\u76f8\u7b49\u7684\u3002<\/span><\/p>\n
                \u6240\u4ee5\u5f53\u6211\u4eec\u7528cp\u547d\u4ee4\u53bb\u590d\u5236\u4e00\u4e2a\u8fd9\u6837\u7684\u6587\u4ef6\u65f6\uff0c\u90a3\u80af\u5b9a\u8fc5\u901f\u5c31\u5b8c\u6210\u4e86\u3002<\/p>\n
                \u603b\u7ed3<\/span><\/h2>\n
                \u597d\uff0c\u6211\u4eec\u518d\u6df1\u5165\u601d\u8003\u4e0b\uff0c\u6587\u4ef6\u7cfb\u7edf\u4e3a\u4ec0\u4e48\u80fd\u505a\u5230\u8fd9\u4e00\u70b9\uff1f<\/p>\n
                  \n
                • \n
                  \u9996\u5148\uff0c\u6700\u5173\u952e\u7684\u662f\u628a\u78c1\u76d8\u7a7a\u95f4\u5207\u6210\u79bb\u6563\u7684\u3001\u5b9a\u957f\u7684 block \u6765\u7ba1\u7406\uff1b<\/section>\n<\/li>\n
                • \n
                  \u7136\u540e\uff0c\u901a\u8fc7 inode \u80fd\u67e5\u627e\u5230\u6240\u6709\u79bb\u6563\u7684\u6570\u636e\uff08\u4fdd\u5b58\u4e86\u6240\u6709\u7684\u7d22\u5f15\uff09\uff1b<\/section>\n<\/li>\n
                • \n
                  \u6700\u540e\uff0c\u5b9e\u73b0\u7d22\u5f15\u5757\u548c\u6570\u636e\u5757\u7a7a\u95f4\u7684\u540e\u5206\u914d\uff1b<\/section>\n<\/li>\n<\/ul>\n
                  \u8fd9\u4e09\u70b9\u662f\u5c42\u5c42\u9012\u8fdb\u7684\u3002<\/p>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
                  cp \u5f15\u53d1\u7684\u601d\u8003 \u4eca\u5929\u540c\u4e8b\u7528 cp \u547d\u4ee4\uff0c\u628a\u4ed6\u7ed9\u60ca\u5230\u4e86\uff01 \u80cc\u666f\u662f\u8fd9\u6837\u7684\uff1a\u4ed6\u7528 cp \u00a0\u62f7\u8d1d\u4e86\u4e00\u4e2a 100 G\u7684 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-2644","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/2644","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2644"}],"version-history":[{"count":1,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/2644\/revisions"}],"predecessor-version":[{"id":2681,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/2644\/revisions\/2681"}],"wp:attachment":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2644"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2644"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2644"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}