{"id":99695,"date":"2020-04-19T11:45:58","date_gmt":"2020-04-19T03:45:58","guid":{"rendered":"http:\/\/4563.org\/?p=99695"},"modified":"2020-04-19T11:45:58","modified_gmt":"2020-04-19T03:45:58","slug":"%e6%9c%89%e6%b2%a1%e6%9c%89%e5%9c%a8%e6%96%87%e4%bb%b6%e5%a4%8d%e5%88%b6%e8%bf%87%e7%a8%8b%e4%b8%ad%e5%90%8c%e6%97%b6%e7%94%9f%e6%88%90-md5-%e7%9a%84%e8%bd%af%e4%bb%b6%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=99695","title":{"rendered":"\u6709\u6ca1\u6709\u5728\u6587\u4ef6\u590d\u5236\u8fc7\u7a0b\u4e2d\u540c\u65f6\u751f\u6210 MD5 \u7684\u8f6f\u4ef6\uff1f"},"content":{"rendered":"
\n
\n
\n

\u6709\u6ca1\u6709\u5728\u6587\u4ef6\u590d\u5236\u8fc7\u7a0b\u4e2d\u540c\u65f6\u751f\u6210 MD5 \u7684\u8f6f\u4ef6\uff1f <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : autoxbc <\/span> <\/i> 55<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
\u4e00\u5757\u51b7\u5907\u76d8\u4e2d\u6709 500G \u7684\u955c\u50cf\u6587\u4ef6\uff0c\u9700\u8981\u590d\u5236\u5230\u53e6\u4e00\u5757\u51b7\u5907\u76d8\u4e2d\uff0c\u4e24\u4e2a\u76d8\u7684\u4f20\u8f93\u901f\u5ea6\u90fd\u662f 100MB\/s<\/p>\n

\u5355\u6b21\u590d\u5236\u9700\u8981\u65f6\u95f4\uff1a500*1024\/100\/60 = 85 \u5206\u949f
\u751f\u6210 MD5 \u6821\u9a8c\uff1a85 \u5206\u949f
\u590d\u5236\u7136\u540e\u751f\u6210 MD5\uff1a85*2 = 170 \u5206\u949f<\/p>\n

\u5982\u679c\u590d\u5236\u7684\u540c\u65f6\u751f\u6210 MD5\uff0c\u53ef\u4ee5\u8282\u7701\u5927\u91cf\u65f6\u95f4\uff0c\u6709\u6ca1\u6709\u8fd9\u7c7b\u8f6f\u4ef6
\u6700\u597d\u662f Windows \u4e0b\u7684\uff0c\u8fd9\u6837\u5bf9 NTFS \u8bfb\u5199\u5b89\u5168\u4e00\u70b9 <\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (16<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : xupefei <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u771f\u80fd\u7701\u65f6\u95f4\u5417\u3002
    \u590d\u5236\u6587\u4ef6\u9700\u8981\u5199\u5165 500G\u3002MD5 \u9700\u8981\u8bfb\u53d6\u786c\u76d8 500GB\u3002
    \u5728\u590d\u5236\u6587\u4ef6\u7684\u65f6\u5019 HDD \u5360\u7528\u662f 100%\uff0c\u8fd9\u65f6\u8fdb\u884c\u8bfb\u53d6\u5fc5\u5b9a\u727a\u7272\u5199\u5165\u901f\u5ea6\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u590d\u5236\u6587\u4ef6\u65f6\u95f4\u4f1a\u53d8\u957f\u3002
    \u5177\u4f53\u4f1a\u53d8\u591a\u957f\u5462\uff1f\u5f53\u7136\u662f 170 \u5206\u949f\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : winterbells <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @xupefei \u4ed6\u662f\u60f3\u8bf4\u5728\u5185\u5b58\u91cc\u7b97 md5 \u5427\uff0c\u7701\u4e00\u6b21\u8bfb\u53d6 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : xupefei <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @winterbells \u4f46\u662f\u5728\u5185\u5b58\u91cc md5 \u53ea\u80fd\u4fdd\u8bc1\u8bfb\u53d6\u6ca1\u9519\uff0c\u4e0d\u80fd\u4fdd\u8bc1\u5199\u5165\u6ca1\u9519\u2026\u2026
    \u5355\u5355\u4fdd\u8bc1\u8bfb\u53d6\u6ca1\u9519\u53c8\u6ca1\u5565\u610f\u4e49\uff0c\u6bd5\u7adf\u8bfb\u53d6\u65f6\u5e95\u5c42\u5df2\u7ecf\u6821\u9a8c\u8fc7\u4e86\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : autoxbc <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @xupefei \u4e0d\u7528\u68c0\u9a8c\u5199\u5165\uff0c\u4e3b\u8981\u9700\u8981\u751f\u6210 MD5<\/p>\n

    \u8bf4\u4e2a\u9898\u5916\u8bdd\uff0c\u5199\u5165\u68c0\u9a8c\u7684\u8f6f\u4ef6\u5982\u4f55\u4fdd\u8bc1\u7a7f\u900f\u7f13\u5b58\u7684\uff1f <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Sylv <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u73b0\u6210\u8f6f\u4ef6\u4f30\u8ba1\u662f\u6ca1\u6709\uff0c\u9700\u6c42\u592a\u5c0f\u4f17\u4e86\uff0c\u81ea\u5df1\u5199\u4e2a Python \u811a\u672c\u5565\u7684\u4e0d\u662f\u592a\u96be\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : xupefei <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @autoxbc dcfldd \u53ef\u4ee5\uff0c\u4f46\u662f\u53ea\u6709 linux \u7248\u3002
    \u7a7f\u900f\u7f13\u5b58\u53ef\u4ee5\u7528\u7cfb\u7edf\u63d0\u4f9b\u7684 API\uff0c \u4f8b\u5982 Win32 \u7684 CreateFile \u6709\u4e2a FILE_FLAG_NO_BUFFERING \u9009\u9879\u53ef\u4ee5\u5173\u95ed\u7cfb\u7edf\u7f13\u5b58\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : eason1874 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    MD5 \u662f\u5206\u5757\u8ba1\u7b97\u7684\uff0c\u4e00\u8fb9\u590d\u5236\u4e00\u8fb9\u8ba1\u7b97\u662f\u53ef\u80fd\u7684\uff0c\u4f46\u6211\u641c\u4e86\u4e00\u5708\u6ca1\u641c\u5230\u73b0\u6210\u8f6f\u4ef6\uff0c\u4e0d\u77e5\u9053\u662f\u4e0d\u662f\u641c\u7d22\u8bcd\u4e0d\u5bf9\u3002<\/p>\n

    \u521a\u770b\u5230\u4e00\u4e2a\u53eb TeraCopy \u7684\u8f6f\u4ef6\uff0c\u6709 Windows \u7248\uff0c\u652f\u6301 10 \u79cd\u54c8\u5e0c\u7b97\u6cd5\u6821\u9a8c\uff0c\u770b\u51e0\u4e2a\u8ba8\u8bba\u90fd\u8bf4 xxHash \u6bd4 md5 \u5feb\uff0c\u4f60\u53ef\u4ee5\u8bd5\u8bd5\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : autoxbc <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Sylv \u60f3\u8fc7\u7528 node \u5199\uff0c\u4e0d\u8fc7\u4e00\u65e6\u6709\u9690\u6027 bug \u5c31\u662f\u707e\u96be\u6027\u7684\u3002\u5e0c\u671b\u662f\u6210\u719f\u4e00\u70b9\u7684\u65b9\u6848\uff0c\u81f3\u5c11\u88ab\u5f88\u591a\u4eba\u7528\u8fc7\u7684 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : lostpg <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6709\u4e2a\u8f6f\u4ef6\u80fd\u591f\u5728\u590d\u5236\u4ee5\u540e\u81ea\u52a8\u5e2e\u4f60\u505a\u4e00\u904d\u6821\u9a8c\uff0c\u5f88\u65b9\u4fbf\uff0c\u4f46\u662f\u6211\u73b0\u5728\u5728\u536b\u751f\u95f4\uff0c\u7b49\u6211\u51fa\u6765\u4e86\u5c31\u62a5\u4e0a\u8f6f\u4ef6\u540d <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : lostpg <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @eason1874 \u5bf9\u5bf9\u6211\u8bf4\u7684\u4e5f\u662f teracopy\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : SoloCompany <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    cat file1 | tee file2 | md5sum > file2.md5 ? <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : ipwx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e00\u5f00\u59cb\u770b 1L \u7684\u8bc4\u8bba\u89c9\u5f97\u4ed6\u5728\u65e0\u7406\u53d6\u95f9\uff0c\u6309\u7167\u4e3b\u7684\u5b57\u9762\u9700\u6c42\uff0c\u53ea\u8981\u751f\u6210 MD5 \u5c31\u884c\u4e86\uff0c\u6839\u672c\u6ca1\u6709 1L \u8bf4\u7684\u95ee\u9898\u3002<\/p>\n

    \u7ec6\u7ec6\u4e00\u54c1\uff0c\u5367\u69fd\uff0c\u6211\u600e\u4e48\u89c9\u5f97\u4e3b\u7684\u9700\u6c42\u5f88\u5947\u8469\u3002\u3002\u3002 \u4e0d\u628a\u6587\u4ef6\u5b8c\u6574\u5730\u5b58\u8fdb\u7b2c\u4e8c\u5f20\u76d8\uff0c\u7136\u540e\u6e05\u7a7a\u7f13\u5b58\uff0c\u518d\u8bfb\u51fa\u6765\uff0c\u7136\u540e\u518d\u7b97 MD5\uff0c\u5c31\u6839\u672c\u8d77\u4e0d\u5230\u6821\u9a8c\u62f7\u8d1d\u64cd\u4f5c\u7684\u6b63\u786e\u6027\u5427\u3002\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : eason1874 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @ipwx #12 \u4e3b\u8fd9\u4e2a\u9700\u6c42\u786e\u5b9e\u5f88\u53ef\u80fd\u662f\u4e0d\u5408\u7406\u7684\u3002<\/p>\n

    \u6211\u521a\u624d\u641c\u7d22\u76f8\u5173\u8f6f\u4ef6\u7684\u65f6\u5019\u770b\u4e86\u4e0b\u90a3\u4e9b\u4e13\u95e8\u505a\u590d\u5236\u529f\u80fd\u7684\u5546\u4e1a\u8f6f\u4ef6\uff0c\u4ed6\u4eec\u54c8\u5e0c\u6821\u9a8c\u90fd\u662f after copy\uff0c\u514d\u8d39\u7248\u4ed8\u8d39\u7248\u90fd\u6ca1\u6709\u8fb9\u590d\u5236\u8fb9\u6821\u9a8c\uff0c\u8bf4\u660e\u8fd9\u4e2a\u505a\u6cd5\u5f88\u53ef\u80fd\u6709\u81f4\u547d\u7f3a\u9677\uff0c\u53ea\u662f\u6211\u4eec\u4e0d\u719f\u6089\u4e0d\u77e5\u9053\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : ipwx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @eason1874 \u56e0\u4e3a\u8fb9\u590d\u5236\u8fb9\u6821\u9a8c\uff0c\u8981\u4e48\u603b\u65f6\u95f4\u66f4\u957f\uff08\u5199\u5165\u4e00\u5757\u5230\u76ee\u6807\u76d8\u3001\u6e05\u7a7a\u7f13\u5b58\u3001\u4ece\u76ee\u6807\u76d8\u8bfb\u51fa\u4e00\u5757\uff1b\u8fd9\u80af\u5b9a\u6bd4\u4e0d\u4e0a\u5148\u5168\u90e8\u5199\u5165\uff0c\u6e05\u7a7a\u7f13\u5b58\uff0c\u7136\u540e\u5168\u90e8\u8bfb\u51fa\u8ba1\u7b97 MD5 \u6765\u5f97\u5feb\uff09\uff0c\u8981\u4e48\u6839\u672c\u53ea\u80fd\u6821\u9a8c\u6e90\u76d8\u800c\u4e0d\u80fd\u6821\u9a8c\u76ee\u6807\u76d8\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : msg7086 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @xupefei @eason1874 @ipwx
    \u4e3b\u7684\u9700\u6c42\u662f\u590d\u5236\u65f6\u751f\u6210 MD5 \u800c\u4e0d\u662f\u590d\u5236\u540e\u6821\u9a8c\u5199\u5165\u5b8c\u6574\u3002
    \u6362\u53e5\u8bdd\u8bf4\u4e3b\u5bf9\u6587\u4ef6\u5199\u5165\u662f\u5426\u5b8c\u6574\u5e76\u6ca1\u6709\u9700\u6c42\uff0c\u6216\u8005\u8bf4\u6821\u9a8c\u5199\u5165\u5b8c\u6574\u548c\u751f\u6210 MD5 \u672c\u6765\u5c31\u662f\u5206\u5f00\u7684\u4e24\u4e2a\u9700\u6c42\u3002<\/p>\n

    \u751f\u6210 MD5 \u7684\u76ee\u7684\u662f\u7b49\u51e0\u4e2a\u6708\u3001\u51e0\u5e74\u4ee5\u540e\uff0c\u78c1\u76d8\u8001\u5316\u4e86\u4ea7\u751f Bitflips \u7684\u65f6\u5019\uff0c\u53bb\u68c0\u9a8c\u5907\u4efd\u662f\u5426\u5b8c\u6574\u3002
    \u800c\u4f60\u4eec\u63d0\u7684\u6821\u9a8c\u5199\u5165\u5b8c\u6574\uff0c\u76ee\u7684\u662f\u68c0\u67e5\u5f53\u524d\u7684\u78c1\u76d8\u5199\u5165\u662f\u5426\u6b63\u786e\u3002<\/p>\n

    \u5047\u8bbe\u4e3b\u7684\u51b7\u5907\u76d8\u662f\u65b0\u54c1\u54c1\u8d28\uff0c\u7535\u8111\u4e5f\u6709 ECC\uff0c\u90a3\u4e48\u78c1\u76d8\u5199\u5165\u662f\u5426\u6b63\u786e\u5176\u5b9e\u662f\u4e0d\u9700\u8981\u68c0\u67e5\u7684\u3002<\/p>\n

    \u4e3b\u7684\u8981\u6c42\uff0c\u6362\u53e5\u8bdd\u8bf4\uff0c\u5176\u5b9e\u662f\u751f\u6210\u4e00\u4e2a MD5 \u6587\u4ef6\uff0c\u7136\u540e\u628a\u6e90\u6587\u4ef6\u548c MD5 \u6587\u4ef6\u4e00\u8d77\u590d\u5236\u5230\u65b0\u786c\u76d8\u91cc\u3002<\/p>\n

    ==========<\/p>\n

    \u81f3\u4e8e\u590d\u5236\u65f6\u8ba1\u7b97 MD5\uff0c\u5176\u5b9e\u53ea\u8981\u7a7a\u4f59\u5185\u5b58\u5927\u70b9\uff0c\u590d\u5236\u7684\u65f6\u5019\u6e90\u6570\u636e\u90fd\u4f1a\u7f13\u5b58\u7684\uff0c\u76f4\u63a5\u5728\u65c1\u8fb9\u8dd1\u4e00\u4e2a\u6709\u6682\u505c\u529f\u80fd\u7684\u6821\u9a8c\u8f6f\u4ef6\u5c31\u884c\u4e86\u3002\u8ba9\u6821\u9a8c\u8f6f\u4ef6\u7684\u901f\u5ea6\u548c\u590d\u5236\u8fdb\u5ea6\u4e00\u6837\uff0c\u4e24\u4e2a\u8f6f\u4ef6\u4f1a\u5171\u4eab\u8bfb\u53d6\u7684\u6570\u636e\u7684\u3002<\/p>\n

    \u5982\u679c\u4e0d\u60f3\u624b\u52a8\u64cd\u4f5c\uff0c\u90a3\u5c31\u8fd8\u662f\u8001\u8001\u5b9e\u5b9e\u81ea\u5df1\u5199\u4ee3\u7801\u5b9e\u73b0\u529f\u80fd\u5427\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : ahhui <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u81ea\u5df1\u5199\u4ee3\u7801\u5206\u5206\u949f\u7684\u95ee\u9898\uff0c\u90fd\u662f\u73b0\u6210\u7684\u5e93 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

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