\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u5728\u4f01\u4e1a\u7ea7\u73af\u5883\u4e2d，ECC（Error Correction Code，\u7ea0\u9519\u7801）\u5185\u5b58\u6210\u4e3a\u4e86\u6807\u914d\u3002\u5b83\u4e0d\u4ec5\u4ec5\u662f\u4e00\u6839\u5e26\u6709\u989d\u5916\u82af\u7247\u7684\u5185\u5b58\u6761，\u66f4\u662f\u4e00\u5957\u5b8c\u6574\u7684\u786c\u4ef6\u5bb9\u9519\u673a\u5236\u3002\u7136\u800c，\u62e5\u6709\u4e86 ECC \u5185\u5b58\u5e76\u4e0d\u4ee3\u8868\u5c31\u80fd\u81ea\u52a8\u83b7\u5f97\u4fdd\u62a4，\u4ece\u786c\u4ef6\u9009\u8d2d\u3001BIOS \u8bbe\u7f6e\u5230\u7cfb\u7edf\u5c42\u9762\u7684\u9a8c\u8bc1，\u6bcf\u4e00\u4e2a\u73af\u8282\u90fd\u9700\u8981\u7cbe\u786e\u914d\u7f6e\u624d\u80fd\u751f\u6548\u3002\u4e0d\u5c11\u7528\u6237\u5728\u8d2d\u4e70\u4e86\u6602\u8d35\u7684 ECC \u5185\u5b58\u540e，\u53d1\u73b0\u7cfb\u7edf\u5e76\u672a\u771f\u6b63\u5f00\u542f\u7ea0\u9519\u529f\u80fd，\u6216\u8005\u5728\u9047\u5230\u62a5\u9519\u65f6\u675f\u624b\u65e0\u7b56\u3002\u672c\u6587\u5c06\u6df1\u5165\u62c6\u89e3 ECC \u5185\u5b58\u7684\u5de5\u4f5c\u539f\u7406，\u901a\u8fc7\u5b9e\u64cd\u6b65\u9aa4\u5f15\u5bfc\u4f60\u5b8c\u6210\u4ece\u786c\u4ef6\u517c\u5bb9\u6027\u68c0\u67e5\u5230\u6545\u969c\u6a21\u62df\u7684\u5168\u8fc7\u7a0b，\u786e\u4fdd\u4f60\u7684\u57fa\u7840\u8bbe\u65bd\u5efa\u7acb\u5728\u575a\u5b9e\u53ef\u9760\u7684\u6570\u636e\u5b8c\u6574\u6027\u57fa\u7840\u4e4b\u4e0a\u3002<\/p>\n
\u2460 ECC \u5185\u5b58\u6838\u5fc3\u6982\u5ff5\u4e0e\u751f\u6d3b\u5316\u7c7b\u6bd4<\/h3>\n
\u8981\u7406\u89e3 ECC \u5185\u5b58，\u6211\u4eec\u9996\u5148\u5f97\u660e\u767d\u666e\u901a\u5185\u5b58（Non-ECC）\u662f\u5982\u4f55\u5de5\u4f5c\u7684\u3002\u666e\u901a\u5185\u5b58\u5728\u5b58\u50a8\u6570\u636e\u65f6，\u5c31\u50cf\u662f\u4e00\u4e2a\u53ea\u6709\u201c\u8bb0\u5f55\u5458\u201d\u7684\u4ed3\u5e93，\u6570\u636e\u5199\u8fdb\u53bb\u662f\u4ec0\u4e48，\u8bfb\u51fa\u6765\u5c31\u662f\u4ec0\u4e48，\u5b83\u6ca1\u6709\u80fd\u529b\u5224\u65ad\u8bfb\u51fa\u6765\u7684\u6570\u636e\u662f\u5426\u548c\u5199\u8fdb\u53bb\u7684\u4e00\u81f4\u3002\u5982\u679c\u56e0\u4e3a\u5916\u754c\u5e72\u6270\u5bfc\u81f4\u67d0\u4e2a\u6570\u636e\u4f4d\u53d1\u751f\u4e86\u7ffb\u8f6c，\u7cfb\u7edf\u4f1a\u6beb\u65e0\u5bdf\u89c9\u5730\u4f7f\u7528\u8fd9\u4e2a\u9519\u8bef\u6570\u636e，\u8fd9\u5c31\u662f\u6240\u8c13\u7684\u201c\u9759\u9ed8\u6570\u636e\u635f\u574f\u201d\u3002<\/p>\n
ECC \u5185\u5b58\u5219\u4e0d\u540c，\u5b83\u5728\u6bcf\u4e2a\u6570\u636e\u5b57\u65c1\u8fb9\u989d\u5916\u589e\u52a0\u4e86\u4e00\u4e9b\u6821\u9a8c\u4f4d\u3002\u6211\u4eec\u53ef\u4ee5\u628a\u5b83\u60f3\u8c61\u6210\u4e00\u4e2a\u914d\u6709\u201c\u590d\u6838\u5458\u201d\u7684\u4ed3\u5e93\u3002\u6bcf\u5f53\u5199\u5165\u4e00\u7ec4\u6570\u636e\u65f6，\u590d\u6838\u5458\u4f1a\u6839\u636e\u7279\u5b9a\u7684\u7b97\u6cd5（\u901a\u5e38\u662f\u6c49\u660e\u7801）\u8ba1\u7b97\u51fa\u4e00\u4e2a\u6821\u9a8c\u503c\u5e76\u4e00\u540c\u4fdd\u5b58\u3002\u5f53\u6570\u636e\u88ab\u8bfb\u53d6\u65f6，\u590d\u6838\u5458\u4f1a\u518d\u6b21\u8ba1\u7b97\u6821\u9a8c\u503c\u5e76\u4e0e\u4fdd\u5b58\u7684\u503c\u8fdb\u884c\u6bd4\u5bf9\u3002\u5982\u679c\u53d1\u73b0\u6709\u4e00\u4f4d\u6570\u636e\u51fa\u9519，\u590d\u6838\u5458\u4e0d\u4ec5\u80fd\u7acb\u5373\u53d1\u73b0，\u8fd8\u80fd\u5229\u7528\u7b97\u6cd5\u53cd\u63a8\u51fa\u662f\u54ea\u4e00\u4f4d\u9519\u4e86，\u5e76\u81ea\u52a8\u5c06\u5176\u4fee\u6b63，\u6574\u4e2a\u8fc7\u7a0b\u5bf9\u64cd\u4f5c\u7cfb\u7edf\u548c\u5e94\u7528\u8f6f\u4ef6\u662f\u5b8c\u5168\u900f\u660e\u7684\u3002\u53ea\u6709\u5f53\u540c\u65f6\u51fa\u73b0\u4e24\u4f4d\u6216\u66f4\u591a\u4f4d\u9519\u8bef\u65f6，ECC \u624d\u80fd\u68c0\u6d4b\u5230\u4f46\u65e0\u6cd5\u4fee\u6b63，\u6b64\u65f6\u901a\u5e38\u4f1a\u89e6\u53d1\u7cfb\u7edf\u62a5\u8b66\u6216\u505c\u673a\u4fdd\u62a4，\u9632\u6b62\u9519\u8bef\u6570\u636e\u88ab\u4f7f\u7528\u3002\u8fd9\u79cd\u673a\u5236\u6781\u5927\u5730\u63d0\u5347\u4e86\u7cfb\u7edf\u7684\u53ef\u9760\u6027，\u5c06\u5185\u5b58\u9519\u8bef\u7684\u5e73\u5747\u65e0\u6545\u969c\u65f6\u95f4（MTBF）\u63d0\u9ad8\u4e86\u6570\u4e2a\u6570\u91cf\u7ea7\u3002<\/p>\n
\u2461 \u786c\u4ef6\u517c\u5bb9\u6027\u68c0\u67e5\u4e0e\u9009\u8d2d\u8981\u70b9<\/h3>\n
\u5f00\u542f ECC \u529f\u80fd\u7684\u9996\u8981\u524d\u63d0\u662f\u786c\u4ef6\u652f\u6301，\u8fd9\u5e76\u975e\u63d2\u4e0a ECC \u5185\u5b58\u6761\u5c31\u80fd\u4e07\u4e8b\u5927\u5409\u3002\u9996\u5148\u9700\u8981\u786e\u8ba4\u7684\u662f CPU \u7684\u652f\u6301\u60c5\u51b5\u3002\u7edd\u5927\u591a\u6570\u684c\u9762\u7ea7\u6d88\u8d39\u578b CPU（\u5982\u666e\u901a\u7684 Intel Core i3\/i5\/i7\/i9 \u7cfb\u5217\u6216\u975e Pro \u7248\u7684 AMD Ryzen）\u867d\u7136\u7269\u7406\u4e0a\u80fd\u63d2\u5165 ECC \u5185\u5b58，\u4f46\u5728\u5fae\u4ee3\u7801\u5c42\u9762\u5c4f\u853d\u4e86 ECC \u529f\u80fd\u3002\u901a\u5e38\u9700\u8981\u9009\u62e9 Intel \u7684 Xeon \u7cfb\u5217\u3001Core W \u7cfb\u5217，\u6216\u8005 AMD \u7684 Ryzen Pro \u7cfb\u5217\u53ca EPYC \u7cfb\u5217\u5904\u7406\u5668，\u8fd9\u4e9b\u82af\u7247\u539f\u751f\u652f\u6301 ECC \u6307\u4ee4\u96c6\u3002<\/p>\n
\u5176\u6b21\u662f\u4e3b\u677f\u7684\u517c\u5bb9\u6027\u3002\u5373\u4f7f CPU \u652f\u6301，\u4e3b\u677f\u4e5f\u5fc5\u987b\u63d0\u4f9b\u76f8\u5e94\u7684\u7535\u8def\u8bbe\u8ba1\u548c BIOS \u9009\u9879\u3002\u670d\u52a1\u5668\u4e3b\u677f\u81ea\u7136\u4e0d\u5728\u8bdd\u4e0b，\u4f46\u90e8\u5206\u5de5\u4f5c\u7ad9\u4e3b\u677f\u6216\u9ad8\u7aef\u684c\u9762\u4e3b\u677f\u4e5f\u53ef\u80fd\u652f\u6301\u3002\u5728\u9009\u8d2d\u65f6，\u52a1\u5fc5\u67e5\u9605\u4e3b\u677f\u5382\u5546\u7684 QVL（\u5408\u683c\u4f9b\u5e94\u5546\u5217\u8868），\u786e\u8ba4\u6240\u5217\u51fa\u7684 ECC \u5185\u5b58\u578b\u53f7\u3002\u6b64\u5916，\u8fd8\u9700\u8981\u6ce8\u610f\u5185\u5b58\u7684\u7c7b\u578b\u5339\u914d，ECC \u5185\u5b58\u5206\u4e3a Registered (RDIMM) \u548c Unbuffered (UDIMM) \u4e24\u79cd\u3002RDIMM \u5e26\u6709\u5bc4\u5b58\u5668，\u80fd\u51cf\u8f7b\u5185\u5b58\u63a7\u5236\u5668\u7684\u8d1f\u8f7d，\u9002\u5408\u5927\u5bb9\u91cf\u591a\u901a\u9053\u573a\u666f，\u5e38\u89c1\u4e8e\u670d\u52a1\u5668；UDIMM \u5219\u5ef6\u8fdf\u66f4\u4f4e，\u5e38\u7528\u4e8e\u5de5\u4f5c\u7ad9\u3002\u901a\u5e38\u60c5\u51b5\u4e0b，RDIMM \u548c UDIMM \u4e0d\u80fd\u6df7\u7528，\u4e14\u5fc5\u987b\u786e\u4fdd\u6240\u6709\u63d2\u69fd\u4e0a\u7684\u5185\u5b58\u89c4\u683c\u4e00\u81f4，\u5426\u5219\u53ef\u80fd\u5bfc\u81f4\u7cfb\u7edf\u65e0\u6cd5\u542f\u52a8\u6216 ECC \u529f\u80fd\u5931\u6548\u3002<\/p>\n
\u2462 \u4e3b\u677f BIOS \u4e2d\u5f00\u542f ECC \u529f\u80fd\u6b65\u9aa4<\/h3>\n
\u786c\u4ef6\u5c31\u4f4d\u540e，\u4e0b\u4e00\u6b65\u662f\u8fdb\u5165\u4e3b\u677f BIOS\/UEFI \u754c\u9762\u8fdb\u884c\u914d\u7f6e\u3002\u4e0d\u540c\u5382\u5546\u7684 BIOS \u754c\u9762\u5e03\u5c40\u5404\u5f02，\u4f46\u903b\u8f91\u5927\u540c\u5c0f\u5f02\u3002\u5f00\u673a\u65f6\u6309\u4e0b Del \u6216 F2 \u952e\u8fdb\u5165 BIOS，\u5bfb\u627e\u7c7b\u4f3c"Advanced"\u3001"Chipset Configuration"\u6216"Memory Configuration"\u7684\u83dc\u5355\u9879\u3002<\/p>\n
\u5728\u5185\u5b58\u8bbe\u7f6e\u5b50\u83dc\u5355\u4e2d，\u901a\u5e38\u4f1a\u6709\u4e00\u4e2a\u540d\u4e3a"ECC Support"\u3001\u201cMemory Error Correction"\u6216"DRAM ECC Control"\u7684\u9009\u9879\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b，\u8be5\u9009\u9879\u53ef\u80fd\u88ab\u8bbe\u7f6e\u4e3a"Auto"\u6216"Disabled\u201d\u3002\u4f60\u9700\u8981\u5c06\u5176\u624b\u52a8\u4fee\u6539\u4e3a"Enabled"\u3002\u5728\u67d0\u4e9b\u670d\u52a1\u5668\u4e3b\u677f\u4e0a，\u4f60\u53ef\u80fd\u8fd8\u4f1a\u770b\u5230\u5173\u4e8e"ECC Scrubbing"\u7684\u9009\u9879，\u8fd9\u662f\u6307\u540e\u53f0\u5de1\u68c0\u529f\u80fd，\u5efa\u8bae\u4fdd\u6301\u5f00\u542f，\u5b83\u4f1a\u5728\u7cfb\u7edf\u7a7a\u95f2\u65f6\u4e3b\u52a8\u626b\u63cf\u5e76\u4fee\u590d\u5185\u5b58\u4e2d\u7684\u8f6f\u9519\u8bef\u3002<\/p>\n
\u4fee\u6539\u5b8c\u6210\u540e，\u52a1\u5fc5\u4fdd\u5b58\u8bbe\u7f6e\u5e76\u91cd\u542f\u7cfb\u7edf（\u901a\u5e38\u6309 F10）\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f，\u90e8\u5206\u4e3b\u677f\u5728\u9996\u6b21\u68c0\u6d4b\u5230 ECC \u5185\u5b58\u5e76\u5f00\u542f\u8be5\u529f\u80fd\u540e，\u542f\u52a8\u65f6\u95f4\u4f1a\u663e\u8457\u53d8\u957f，\u56e0\u4e3a\u5185\u5b58\u63a7\u5236\u5668\u9700\u8981\u8fdb\u884c\u521d\u59cb\u5316\u7684\u8bad\u7ec3\u548c\u6821\u9a8c\u6d4b\u8bd5，\u8fd9\u662f\u6b63\u5e38\u73b0\u8c61，\u8bf7\u8010\u5fc3\u7b49\u5f85\u4e0d\u8981\u5f3a\u5236\u65ad\u7535\u3002<\/p>\n
\u2463 \u64cd\u4f5c\u7cfb\u7edf\u5c42\u9762\u7684\u8bc6\u522b\u4e0e\u9a8c\u8bc1\u65b9\u6cd5<\/h3>\n
\u7cfb\u7edf\u542f\u52a8\u8fdb\u5165\u64cd\u4f5c\u7cfb\u7edf\u540e，\u6211\u4eec\u9700\u8981\u9a8c\u8bc1 ECC \u529f\u80fd\u662f\u5426\u771f\u6b63\u751f\u6548\u3002\u4e0d\u540c\u7684\u64cd\u4f5c\u7cfb\u7edf\u63d0\u4f9b\u4e86\u4e0d\u540c\u7684\u67e5\u770b\u5de5\u5177\u3002<\/p>\n
\u5728 Linux \u73af\u5883\u4e0b，\u6700\u76f4\u89c2\u7684\u65b9\u6cd5\u662f\u67e5\u770b\u5185\u6838\u73af\u5f62\u7f13\u51b2\u533a\u65e5\u5fd7\u3002\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4：<\/p>\n
dmesg | grep -i ecc<\/p>\n
\u5982\u679c ECC \u5df2\u542f\u7528，\u4f60\u901a\u5e38\u4f1a\u770b\u5230\u7c7b\u4f3c"EDAC: ECC enabled"\u6216\u5177\u4f53\u7684\u63a7\u5236\u5668\u9a71\u52a8\u52a0\u8f7d\u4fe1\u606f，\u8868\u660e\u5185\u6838\u7684 EDAC（Error Detection And Correction）\u6a21\u5757\u5df2\u6b63\u5e38\u5de5\u4f5c\u3002\u6b64\u5916，\u53ef\u4ee5\u4f7f\u7528\u00a0dmidecode\u00a0\u5de5\u5177\u67e5\u770b\u5185\u5b58\u8be6\u7ec6\u4fe1\u606f：<\/p>\n
sudo dmidecode -t memory | grep -A 5 "Error Information Handle"<\/p>\n
\u5982\u679c\u8f93\u51fa\u663e\u793a"Single-bit ECC"\u6216"Multi-bit ECC"\u76f8\u5173\u63cf\u8ff0，\u4e14\u6ca1\u6709\u62a5\u9519\u53e5\u67c4，\u8bf4\u660e\u786c\u4ef6\u5c42\u9762\u5df2\u5c31\u7eea\u3002<\/p>\n
\u5728 Windows Server \u73af\u5883\u4e2d，\u53ef\u4ee5\u901a\u8fc7 PowerShell \u83b7\u53d6\u76f8\u5173\u4fe1\u606f\u3002\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4：<\/p>\n
Get-WmiObject Win32_PhysicalMemory | Select-Object DeviceLocator, Capacity, Status, ErrorResolution<\/p>\n
\u89c2\u5bdf\u00a0Status\u00a0\u5b57\u6bb5\u662f\u5426\u4e3a OK，\u4ee5\u53ca\u00a0ErrorResolution\u00a0\u662f\u5426\u663e\u793a\u51fa\u7ea0\u9519\u80fd\u529b\u3002\u867d\u7136 Windows \u539f\u751f\u754c\u9762\u4e0d\u5982 Linux \u900f\u660e，\u4f46\u7ed3\u5408\u4e8b\u4ef6\u67e5\u770b\u5668\u4e2d\u7684"System"\u65e5\u5fd7，\u7b5b\u9009\u6765\u6e90\u4e3a"WHEA-Logger"\u7684\u4e8b\u4ef6，\u4e5f\u80fd\u76d1\u63a7\u5230\u76f8\u5173\u7684\u786c\u4ef6\u7ea0\u6b63\u8bb0\u5f55\u3002<\/p>\n
\u2464 \u4f7f\u7528 Memtest86 \u8fdb\u884c\u9519\u8bef\u626b\u63cf\u5b9e\u64cd<\/h3>\n
\u4e3a\u4e86\u4e3b\u52a8\u9a8c\u8bc1\u5185\u5b58\u7684\u7ea0\u9519\u80fd\u529b\u800c\u975e\u88ab\u52a8\u7b49\u5f85\u9519\u8bef\u53d1\u751f，\u4f7f\u7528\u4e13\u4e1a\u5de5\u5177\u8fdb\u884c\u538b\u529b\u6d4b\u8bd5\u662f\u6700\u4f73\u5b9e\u8df5\u3002Memtest86 \u662f\u4e1a\u754c\u516c\u8ba4\u7684\u6807\u51c6\u5de5\u5177，\u5b83\u72ec\u7acb\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u8fd0\u884c，\u80fd\u591f\u76f4\u63a5\u8bbf\u95ee\u786c\u4ef6\u5730\u5740\u7a7a\u95f4\u3002<\/p>\n
\u9996\u5148，\u4e0b\u8f7d\u6700\u65b0\u7248\u7684 Memtest86 \u955c\u50cf\u5e76\u5236\u4f5c\u6210 USB \u542f\u52a8\u76d8\u3002\u5c06 U \u76d8\u63d2\u5165\u670d\u52a1\u5668，\u91cd\u542f\u5e76\u4ece U \u76d8\u5f15\u5bfc\u3002\u8fdb\u5165\u4e3b\u754c\u9762\u540e，\u9ed8\u8ba4\u7684\u914d\u7f6e\u901a\u5e38\u5df2\u7ecf\u5305\u542b\u4e86\u9488\u5bf9 ECC \u5185\u5b58\u7684\u6d4b\u8bd5\u9879\u3002\u7279\u522b\u9700\u8981\u6ce8\u610f\u7684\u662f，Memtest86 \u5728\u68c0\u6d4b\u5230 ECC \u5185\u5b58\u65f6，\u4f1a\u4e13\u95e8\u8fd0\u884c\u4e00\u9879"Hammer Test"\u6216\u7c7b\u4f3c\u7684\u4f4d\u7ffb\u8f6c\u6d4b\u8bd5\u3002<\/p>\n
\u5728\u6d4b\u8bd5\u8fc7\u7a0b\u4e2d，\u5bc6\u5207\u5173\u6ce8\u5c4f\u5e55\u4e0b\u65b9\u7684"Errors"\u8ba1\u6570\u680f\u3002\u5bf9\u4e8e\u5f00\u542f\u4e86 ECC \u7684\u7cfb\u7edf，\u5f53\u4f60\u770b\u5230\u5185\u5b58\u51fa\u73b0\u9519\u8bef\u65f6，\u4e0d\u5e94\u76f4\u63a5\u89c6\u4e3a\u6d4b\u8bd5\u5931\u8d25\u3002\u76f8\u53cd，\u4f60\u5e94\u8be5\u89c2\u5bdf"ECC Corrections"（\u7ea0\u9519\u6b21\u6570）\u8fd9\u4e00\u5217\u3002\u5982\u679c\u8be5\u6570\u5b57\u968f\u7740\u6d4b\u8bd5\u8fdb\u884c\u800c\u589e\u52a0，\u800c"Errors"\u4fdd\u6301\u4e3a 0，\u8fd9\u6070\u6070\u8bc1\u660e ECC \u529f\u80fd\u6b63\u5728\u5b8c\u7f8e\u5de5\u4f5c：\u5b83\u53d1\u73b0\u4e86\u9519\u8bef\u5e76\u6210\u529f\u4fee\u6b63\u4e86，\u963b\u6b62\u4e86\u9519\u8bef\u5411\u4e0a\u4f20\u9012\u3002\u5982\u679c"Errors"\u5f00\u59cb\u8ba1\u6570，\u8bf4\u660e\u53d1\u751f\u4e86\u591a\u4f4d\u9519\u8bef\u8d85\u51fa\u4e86 ECC \u7684\u4fee\u6b63\u80fd\u529b，\u8fd9\u65f6\u624d\u4ee3\u8868\u5185\u5b58\u6761\u5b58\u5728\u4e25\u91cd\u7269\u7406\u6545\u969c，\u9700\u8981\u7acb\u5373\u66f4\u6362\u3002<\/p>\n
\u2465 \u6a21\u62df\u4f4d\u7ffb\u8f6c\u5b9e\u9a8c\u89c2\u5bdf\u7ea0\u9519\u8fc7\u7a0b<\/h3>\n
\u4e3a\u4e86\u66f4\u6df1\u523b\u5730\u7406\u89e3 ECC \u7684\u5de5\u4f5c\u673a\u5236，\u8fdb\u9636\u7528\u6237\u53ef\u4ee5\u5c1d\u8bd5\u5728\u53d7\u63a7\u73af\u5883\u4e0b\u89c2\u5bdf\u7ea0\u9519\u65e5\u5fd7\u3002\u5f53\u7136，\u6211\u4eec\u4e0d\u80fd\u771f\u7684\u62ff\u8f90\u5c04\u6e90\u53bb\u7167\u5c04\u5185\u5b58，\u4f46\u53ef\u4ee5\u901a\u8fc7\u8f6f\u4ef6\u6ce8\u5165\u7684\u65b9\u5f0f\u6a21\u62df\u3002\u5728 Linux \u7cfb\u7edf\u4e2d，\u5982\u679c\u542f\u7528\u4e86 EDAC \u6a21\u5757\u4e14\u9a71\u52a8\u652f\u6301，\u53ef\u4ee5\u901a\u8fc7\u8c03\u8bd5\u63a5\u53e3\u89e6\u53d1\u6a21\u62df\u9519\u8bef\u3002<\/p>\n
6.1 \u51c6\u5907\u5de5\u4f5c\u4e0e\u73af\u5883\u68c0\u67e5<\/h4>\n
\u9996\u5148，\u786e\u4fdd\u4f60\u7684\u7cfb\u7edf\u662f\u4e3b\u6d41 Linux \u53d1\u884c\u7248（\u5982 Ubuntu 20.04+ \u6216 CentOS 7\/8），\u5e76\u4e14\u5df2\u7ecf\u5f00\u542f\u4e86 ECC \u529f\u80fd（\u53c2\u8003\u524d\u9762\u7ae0\u8282\u9a8c\u8bc1）\u3002\u7136\u540e\u68c0\u67e5 EDAC \u6a21\u5757\u662f\u5426\u5df2\u52a0\u8f7d：<\/p>\n
# \u68c0\u67e5 EDAC \u6838\u5fc3\u6a21\u5757\u662f\u5426\u52a0\u8f7d
\nlsmod | grep edac<\/p>\n
# \u67e5\u770b\u5f53\u524d\u5185\u5b58\u63a7\u5236\u5668\u4fe1\u606f
\nsudo lspci | grep -i memory<\/p>\n
\u5982\u679c\u00a0edac_core\u00a0\u6a21\u5757\u672a\u52a0\u8f7d，\u53ef\u4ee5\u5c1d\u8bd5\u624b\u52a8\u52a0\u8f7d：<\/p>\n
# \u52a0\u8f7d EDAC \u6838\u5fc3\u6a21\u5757
\nsudo modprobe edac_core<\/p>\n
# \u52a0\u8f7d\u5bf9\u5e94\u5185\u5b58\u63a7\u5236\u5668\u7684\u9a71\u52a8（\u5e38\u89c1\u7684\u6709 amd64_edac\u3001i7core_edac \u7b49）
\n# \u6839\u636e\u4f60\u7684 CPU \u67b6\u6784\u9009\u62e9，\u4f8b\u5982 AMD EPYC \u4f7f\u7528：
\nsudo modprobe amd64_edac<\/p>\n
# \u6216\u8005 Intel Xeon \u4f7f\u7528：
\nsudo modprobe i7core_edac<\/p>\n
6.2 \u5b8c\u6574\u7684 Shell \u811a\u672c\u793a\u4f8b<\/h4>\n
\u4e0b\u9762\u662f\u4e00\u4e2a\u5b8c\u6574\u7684 Shell \u811a\u672c，\u5b83\u5305\u542b\u4e86\u6a21\u5757\u52a0\u8f7d\u68c0\u67e5\u3001\u9519\u8bef\u6ce8\u5165\u3001\u65e5\u5fd7\u76d1\u63a7\u548c\u7ed3\u679c\u89e3\u8bfb\u7684\u5168\u8fc7\u7a0b\u3002\u5c06\u4ee5\u4e0b\u5185\u5bb9\u4fdd\u5b58\u4e3a\u00a0ecc_inject_test.sh：<\/p>\n
#!\/bin\/bash
\n# ECC \u9519\u8bef\u6ce8\u5165\u4e0e\u76d1\u63a7\u811a\u672c
\n# \u9002\u7528\u4e8e Ubuntu\/CentOS \u7b49\u4e3b\u6d41 Linux \u53d1\u884c\u7248
\n# \u8b66\u544a：\u4ec5\u9650\u6d4b\u8bd5\u73af\u5883\u4f7f\u7528，\u751f\u4ea7\u73af\u5883\u4e25\u7981\u6267\u884c！<\/p>\n
set -e<\/p>\n
# \u989c\u8272\u5b9a\u4e49
\nRED='\\\\033[0;31m'
\nGREEN='\\\\033[0;32m'
\nYELLOW='\\\\033[1;33m'
\nNC='\\\\033[0m' # No Color<\/p>\n
echo -e "${YELLOW}=== ECC \u9519\u8bef\u6ce8\u5165\u6d4b\u8bd5\u811a\u672c ===${NC}"
\necho "\u672c\u811a\u672c\u5c06\u5c1d\u8bd5\u6ce8\u5165\u5355\u6bd4\u7279\u9519\u8bef\u5e76\u76d1\u63a7\u7cfb\u7edf\u7ea0\u9519\u65e5\u5fd7\u3002"
\necho "\u8bf7\u786e\u4fdd："
\necho "1. \u7cfb\u7edf\u5df2\u542f\u7528 ECC \u5185\u5b58"
\necho "2. \u5f53\u524d\u4e3a\u6d4b\u8bd5\u73af\u5883，\u975e\u751f\u4ea7\u670d\u52a1\u5668"
\necho "3. \u5df2\u83b7\u5f97 root \u6743\u9650"
\necho ""<\/p>\n
# 1. \u68c0\u67e5 EDAC \u6a21\u5757\u72b6\u6001
\necho -e "${YELLOW}[1\/5] \u68c0\u67e5 EDAC \u6a21\u5757\u72b6\u6001…${NC}"
\nif ! lsmod | grep -q "edac_core"; then
\n echo -e "${RED}\u9519\u8bef：EDAC \u6838\u5fc3\u6a21\u5757\u672a\u52a0\u8f7d${NC}"
\n echo "\u5c1d\u8bd5\u52a0\u8f7d\u6a21\u5757…"
\n sudo modprobe edac_core 2>\/dev\/null || {
\n echo -e "${RED}\u65e0\u6cd5\u52a0\u8f7d edac_core，\u8bf7\u68c0\u67e5\u5185\u6838\u914d\u7f6e${NC}"
\n exit 1
\n }
\nfi<\/p>\n
# \u67e5\u627e\u5185\u5b58\u63a7\u5236\u5668
\nMC_PATH="\/sys\/devices\/system\/edac\/mc"
\nif [ ! -d "$MC_PATH" ]; then
\n echo -e "${RED}\u9519\u8bef：EDAC \u5185\u5b58\u63a7\u5236\u5668\u76ee\u5f55\u4e0d\u5b58\u5728${NC}"
\n echo "\u53ef\u80fd\u539f\u56e0："
\n echo " – \u786c\u4ef6\u4e0d\u652f\u6301 EDAC"
\n echo " – \u5185\u6838\u672a\u7f16\u8bd1 EDAC \u652f\u6301"
\n echo " – \u9700\u8981\u52a0\u8f7d\u7279\u5b9a\u63a7\u5236\u5668\u9a71\u52a8"
\n exit 1
\nfi<\/p>\n
MC_COUNT=$(ls -d $MC_PATH\/mc* 2>\/dev\/null | wc -l)
\nif [ "$MC_COUNT" -eq 0 ]; then
\n echo -e "${RED}\u9519\u8bef：\u672a\u68c0\u6d4b\u5230\u5185\u5b58\u63a7\u5236\u5668\u5b9e\u4f8b${NC}"
\n exit 1
\nfi<\/p>\n
echo -e "${GREEN}\u627e\u5230 $MC_COUNT \u4e2a\u5185\u5b58\u63a7\u5236\u5668\u5b9e\u4f8b${NC}"
\nls -d $MC_PATH\/mc* | while read mc; do
\n echo " – $(basename $mc)"
\ndone<\/p>\n
# 2. \u68c0\u67e5\u9519\u8bef\u6ce8\u5165\u63a5\u53e3
\necho -e "\\\\n${YELLOW}[2\/5] \u68c0\u67e5\u9519\u8bef\u6ce8\u5165\u63a5\u53e3…${NC}"
\nINJECTABLE=false
\nfor mc in $MC_PATH\/mc*; do
\n if [ -f "$mc\/inject_section" ] || [ -f "$mc\/inject_ecc_error" ]; then
\n INJECTABLE=true
\n MC_INSTANCE=$(basename $mc)
\n echo -e "${GREEN}\u627e\u5230\u53ef\u6ce8\u5165\u7684\u63a7\u5236\u5668：$MC_INSTANCE${NC}"<\/p>\n
# \u663e\u793a\u5f53\u524d\u9519\u8bef\u8ba1\u6570
\n if [ -f "$mc\/ce_count" ]; then
\n CE_COUNT=$(cat "$mc\/ce_count")
\n echo " \u5f53\u524d\u53ef\u7ea0\u6b63\u9519\u8bef\u8ba1\u6570：$CE_COUNT"
\n fi
\n if [ -f "$mc\/ue_count" ]; then
\n UE_COUNT=$(cat "$mc\/ue_count")
\n echo " \u5f53\u524d\u4e0d\u53ef\u7ea0\u6b63\u9519\u8bef\u8ba1\u6570：$UE_COUNT"
\n fi
\n break
\n fi
\ndone<\/p>\n
if [ "$INJECTABLE" = false ]; then
\n echo -e "${YELLOW}\u8b66\u544a：\u672a\u627e\u5230\u6807\u51c6\u9519\u8bef\u6ce8\u5165\u63a5\u53e3${NC}"
\n echo "\u53ef\u80fd\u539f\u56e0："
\n echo " – \u5f53\u524d\u9a71\u52a8\u4e0d\u652f\u6301\u8f6f\u4ef6\u9519\u8bef\u6ce8\u5165"
\n echo " – \u9700\u8981\u7279\u5b9a\u786c\u4ef6\u652f\u6301"
\n echo "\u7ee7\u7eed\u4ec5\u8fdb\u884c\u65e5\u5fd7\u76d1\u63a7…"
\nfi<\/p>\n
# 3. \u542f\u52a8\u65e5\u5fd7\u76d1\u63a7
\necho -e "\\\\n${YELLOW}[3\/5] \u542f\u52a8\u7cfb\u7edf\u65e5\u5fd7\u76d1\u63a7…${NC}"
\nLOG_FILE="\/tmp\/ecc_test_$(date +%Y%m%d_%H%M%S).log"
\necho "\u65e5\u5fd7\u5c06\u4fdd\u5b58\u5230：$LOG_FILE"<\/p>\n
# \u540e\u53f0\u76d1\u63a7 EDAC\/ECC \u76f8\u5173\u65e5\u5fd7
\ntail -f \/var\/log\/syslog 2>\/dev\/null | grep –line-buffered -i "EDAC\\\\|ECC\\\\|corrected error" > "$LOG_FILE" &
\nMONITOR_PID=$!
\necho "\u76d1\u63a7\u8fdb\u7a0b PID: $MONITOR_PID"<\/p>\n
# 4. \u9519\u8bef\u6ce8\u5165（\u5982\u679c\u652f\u6301）
\nif [ "$INJECTABLE" = true ]; then
\n echo -e "\\\\n${YELLOW}[4\/5] \u6ce8\u5165\u5355\u6bd4\u7279\u9519\u8bef…${NC}"
\n echo "\u7b49\u5f85 3 \u79d2，\u786e\u4fdd\u76d1\u63a7\u5df2\u542f\u52a8…"
\n sleep 3<\/p>\n
# \u5c1d\u8bd5\u4e0d\u540c\u7684\u6ce8\u5165\u63a5\u53e3
\n INJECT_SUCCESS=false
\n for inject_file in "inject_section" "inject_ecc_error" "inject"; do
\n if [ -f "$MC_PATH\/$MC_INSTANCE\/$inject_file" ]; then
\n echo -e "\u5c1d\u8bd5\u901a\u8fc7 $inject_file \u6ce8\u5165\u9519\u8bef…"<\/p>\n
# \u8bb0\u5f55\u6ce8\u5165\u524d\u7684\u8ba1\u6570
\n if [ -f "$MC_PATH\/$MC_INSTANCE\/ce_count" ]; then
\n BEFORE_CE=$(cat "$MC_PATH\/$MC_INSTANCE\/ce_count")
\n fi<\/p>\n
# \u6ce8\u5165\u9519\u8bef（\u503c 1 \u901a\u5e38\u8868\u793a\u5355\u6bd4\u7279\u9519\u8bef）
\n echo 1 | sudo tee "$MC_PATH\/$MC_INSTANCE\/$inject_file" >\/dev\/null 2>&1<\/p>\n
sleep 2 # \u7b49\u5f85\u5185\u6838\u5904\u7406<\/p>\n
# \u68c0\u67e5\u6ce8\u5165\u540e\u8ba1\u6570
\n if [ -f "$MC_PATH\/$MC_INSTANCE\/ce_count" ]; then
\n AFTER_CE=$(cat "$MC_PATH\/$MC_INSTANCE\/ce_count")
\n if [ "$AFTER_CE" -gt "$BEFORE_CE" ]; then
\n echo -e "${GREEN}\u2713 \u9519\u8bef\u6ce8\u5165\u6210\u529f！\u53ef\u7ea0\u6b63\u9519\u8bef\u8ba1\u6570\u4ece $BEFORE_CE \u589e\u52a0\u5230 $AFTER_CE${NC}"
\n INJECT_SUCCESS=true
\n else
\n echo -e "${YELLOW}\u26a0 \u9519\u8bef\u8ba1\u6570\u672a\u589e\u52a0，\u53ef\u80fd\u6ce8\u5165\u672a\u751f\u6548${NC}"
\n fi
\n else
\n echo -e "${GREEN}\u2713 \u9519\u8bef\u6ce8\u5165\u547d\u4ee4\u6267\u884c\u5b8c\u6210${NC}"
\n INJECT_SUCCESS=true
\n fi
\n break
\n fi
\n done<\/p>\n
if [ "$INJECT_SUCCESS" = false ]; then
\n echo -e "${YELLOW}\u26a0 \u9519\u8bef\u6ce8\u5165\u53ef\u80fd\u672a\u751f\u6548，\u7ee7\u7eed\u76d1\u63a7\u81ea\u7136\u53d1\u751f\u7684\u9519\u8bef…${NC}"
\n fi
\nelse
\n echo -e "\\\\n${YELLOW}[4\/5] \u8df3\u8fc7\u9519\u8bef\u6ce8\u5165（\u63a5\u53e3\u4e0d\u53ef\u7528）${NC}"
\nfi<\/p>\n
# 5. \u76d1\u63a7\u4e0e\u7ed3\u679c\u5c55\u793a
\necho -e "\\\\n${YELLOW}[5\/5] \u76d1\u63a7\u65e5\u5fd7（\u6301\u7eed 30 \u79d2）…${NC}"
\necho "\u6309 Ctrl+C \u53ef\u63d0\u524d\u7ed3\u675f\u76d1\u63a7"
\necho "—————————————-"<\/p>\n
# \u5b9e\u65f6\u663e\u793a\u65e5\u5fd7
\ntimeout 30 tail -f "$LOG_FILE" 2>\/dev\/null || true<\/p>\n
echo -e "\\\\n${YELLOW}=== \u6d4b\u8bd5\u5b8c\u6210 ===${NC}"<\/p>\n
# \u505c\u6b62\u76d1\u63a7\u8fdb\u7a0b
\nkill $MONITOR_PID 2>\/dev\/null || true<\/p>\n
# \u5206\u6790\u65e5\u5fd7\u7ed3\u679c
\necho -e "\\\\n${YELLOW}\u65e5\u5fd7\u5206\u6790：${NC}"
\nif [ -s "$LOG_FILE" ]; then
\n echo "\u627e\u5230\u7684 EDAC\/ECC \u76f8\u5173\u65e5\u5fd7："
\n echo "—————————————-"
\n grep -i "corrected\\\\|ce\\\\|single.*bit\\\\|EDAC" "$LOG_FILE" | head -20<\/p>\n
ERROR_COUNT=$(grep -c "corrected error" "$LOG_FILE")
\n if [ "$ERROR_COUNT" -gt 0 ]; then
\n echo -e "\\\\n${GREEN}\u2705 \u68c0\u6d4b\u5230 $ERROR_COUNT \u6b21\u53ef\u7ea0\u6b63\u9519\u8bef${NC}"
\n echo "\u8fd9\u8868\u660e ECC \u529f\u80fd\u6b63\u5728\u6b63\u5e38\u5de5\u4f5c："
\n echo "1. \u7cfb\u7edf\u68c0\u6d4b\u5230\u4e86\u5185\u5b58\u9519\u8bef"
\n echo "2. ECC \u673a\u5236\u6210\u529f\u7ea0\u6b63\u4e86\u9519\u8bef"
\n echo "3. \u9519\u8bef\u88ab\u8bb0\u5f55\u4f46\u672a\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83"<\/p>\n
# \u63d0\u53d6\u8be6\u7ec6\u9519\u8bef\u4fe1\u606f
\n echo -e "\\\\n${YELLOW}\u8be6\u7ec6\u9519\u8bef\u4fe1\u606f\u793a\u4f8b：${NC}"
\n grep -A2 -B2 "corrected error" "$LOG_FILE" | head -10
\n else
\n echo -e "\\\\n${YELLOW}\u26a0 \u672a\u68c0\u6d4b\u5230\u53ef\u7ea0\u6b63\u9519\u8bef\u65e5\u5fd7${NC}"
\n echo "\u53ef\u80fd\u539f\u56e0："
\n echo " – \u9519\u8bef\u6ce8\u5165\u672a\u6210\u529f"
\n echo " – \u7cfb\u7edf\u5f53\u524d\u65e0\u5185\u5b58\u9519\u8bef"
\n echo " – \u65e5\u5fd7\u8bb0\u5f55\u65b9\u5f0f\u4e0d\u540c（\u5c1d\u8bd5\u67e5\u770b dmesg）"
\n echo ""
\n echo "\u624b\u52a8\u68c0\u67e5\u547d\u4ee4："
\n echo " sudo dmesg | grep -i 'EDAC\\\\|corrected' | tail -20"
\n fi
\nelse
\n echo -e "${YELLOW}\u26a0 \u65e5\u5fd7\u6587\u4ef6\u4e3a\u7a7a，\u53ef\u80fd\u672a\u6355\u83b7\u5230\u76f8\u5173\u4e8b\u4ef6${NC}"
\nfi<\/p>\n
# \u663e\u793a\u5f53\u524d\u9519\u8bef\u8ba1\u6570
\necho -e "\\\\n${YELLOW}\u5f53\u524d\u5185\u5b58\u9519\u8bef\u7edf\u8ba1：${NC}"
\nfor mc in $MC_PATH\/mc*; do
\n MC_NAME=$(basename $mc)
\n if [ -f "$mc\/ce_count" ]; then
\n CE=$(cat "$mc\/ce_count")
\n echo "$MC_NAME – \u53ef\u7ea0\u6b63\u9519\u8bef: $CE"
\n fi
\n if [ -f "$mc\/ue_count" ]; then
\n UE=$(cat "$mc\/ue_count")
\n echo "$MC_NAME – \u4e0d\u53ef\u7ea0\u6b63\u9519\u8bef: $UE"
\n fi
\ndone<\/p>\n
echo -e "\\\\n${YELLOW}\u811a\u672c\u6267\u884c\u5b8c\u6bd5\u3002\u65e5\u5fd7\u6587\u4ef6：$LOG_FILE${NC}"
\necho "\u5982\u9700\u6e05\u7406，\u53ef\u6267\u884c：sudo rm $LOG_FILE"<\/p>\n
6.3 \u811a\u672c\u4f7f\u7528\u6b65\u9aa4<\/h4>\n
\u4fdd\u5b58\u811a\u672c：\u5c06\u4e0a\u9762\u7684\u4ee3\u7801\u4fdd\u5b58\u4e3a\u00a0ecc_inject_test.sh<\/p>\n<\/li>\n
\u8d4b\u4e88\u6267\u884c\u6743\u9650：<\/p>\n
chmod +x ecc_inject_test.sh<\/p>\n<\/li>\n
\u4ee5 root \u6743\u9650\u8fd0\u884c（\u6d4b\u8bd5\u73af\u5883）：<\/p>\n
sudo .\/ecc_inject_test.sh<\/p>\n<\/li>\n
\u89c2\u5bdf\u8f93\u51fa：\u811a\u672c\u4f1a\u9010\u6b65\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c：<\/p>\n
- \n
- \u68c0\u67e5 EDAC \u6a21\u5757\u72b6\u6001<\/li>\n
- \u67e5\u627e\u53ef\u7528\u7684\u9519\u8bef\u6ce8\u5165\u63a5\u53e3<\/li>\n
- \u542f\u52a8\u5b9e\u65f6\u65e5\u5fd7\u76d1\u63a7<\/li>\n
- \u5c1d\u8bd5\u6ce8\u5165\u5355\u6bd4\u7279\u9519\u8bef<\/li>\n
- \u663e\u793a 30 \u79d2\u5185\u7684\u7ea0\u9519\u65e5\u5fd7<\/li>\n
- \u5206\u6790\u7ed3\u679c\u5e76\u7ed9\u51fa\u89e3\u8bfb<\/li>\n<\/ul>\n<\/li>\n
6.4 \u7ed3\u679c\u89e3\u8bfb\u4e0e\u6545\u969c\u6392\u67e5<\/h4>\n
\u6210\u529f\u60c5\u51b5\u793a\u4f8b：<\/h5>\n
\u2705 \u68c0\u6d4b\u5230 2 \u6b21\u53ef\u7ea0\u6b63\u9519\u8bef
\n\u8fd9\u8868\u660e ECC \u529f\u80fd\u6b63\u5728\u6b63\u5e38\u5de5\u4f5c：
\n1. \u7cfb\u7edf\u68c0\u6d4b\u5230\u4e86\u5185\u5b58\u9519\u8bef
\n2. ECC \u673a\u5236\u6210\u529f\u7ea0\u6b63\u4e86\u9519\u8bef
\n3. \u9519\u8bef\u88ab\u8bb0\u5f55\u4f46\u672a\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83<\/p>\n\u8be6\u7ec6\u9519\u8bef\u4fe1\u606f\u793a\u4f8b：
\n[ 1234.567890] EDAC MC0: 1 CE on mc#0csrow#0channel#0 (csrow:0 channel:0 page:0x12345 offset:0x678 grain:8 syndrome:0x0)<\/p>\n\u89e3\u8bfb：<\/p>\n
- \n
- CE：Correctable Error（\u53ef\u7ea0\u6b63\u9519\u8bef）<\/li>\n
- mc#0：\u5185\u5b58\u63a7\u5236\u5668 0<\/li>\n
- csrow#0：\u5185\u5b58\u63d2\u69fd\u884c 0<\/li>\n
- channel#0：\u901a\u9053 0<\/li>\n
- page:0x12345：\u9519\u8bef\u53d1\u751f\u7684\u5185\u5b58\u9875\u5730\u5740<\/li>\n
- syndrome:0x0：\u9519\u8bef\u6821\u9a8c\u7801（\u53ef\u7528\u4e8e\u5b9a\u4f4d\u5177\u4f53\u6bd4\u7279\u4f4d）<\/li>\n<\/ul>\n
\u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3：<\/h5>\n
- \n
\u811a\u672c\u62a5\u9519 \u201cEDAC \u6838\u5fc3\u6a21\u5757\u672a\u52a0\u8f7d\u201d：<\/p>\n
# \u68c0\u67e5\u5185\u6838\u914d\u7f6e
\ngrep EDAC \/boot\/config-$(uname -r)<\/p>\n# \u5982\u679c\u672a\u7f16\u8bd1，\u9700\u8981\u91cd\u65b0\u7f16\u8bd1\u5185\u6838\u6216\u5b89\u88c5\u5bf9\u5e94\u5185\u6838\u6a21\u5757
\nsudo apt install linux-modules-extra-$(uname -r) # Ubuntu
\nsudo yum install kernel-devel # CentOS<\/p>\n<\/li>\n - \n
\u627e\u4e0d\u5230\u9519\u8bef\u6ce8\u5165\u63a5\u53e3：<\/p>\n
- \n
- \u67d0\u4e9b\u786c\u4ef6\/\u9a71\u52a8\u4e0d\u652f\u6301\u8f6f\u4ef6\u6ce8\u5165<\/li>\n
- \u53ef\u6539\u7528\u00a0rasdaemon\u00a0\u5de5\u5177\u5305：\n
# Ubuntu\/Debian
\nsudo apt install rasdaemon
\nsudo ras-mc-ctl –error-inject<\/p>\n# CentOS\/RHEL
\nsudo yum install rasdaemon
\nsudo ras-mc-ctl –error-inject<\/p>\n<\/li>\n<\/ul>\n<\/li>\n - \n
\u65e0\u9519\u8bef\u65e5\u5fd7\u4f46 ECC \u5df2\u542f\u7528：<\/p>\n
- \n
- \u8fd9\u662f\u6b63\u5e38\u73b0\u8c61，\u8bf4\u660e\u5185\u5b58\u5f53\u524d\u5f88\u7a33\u5b9a<\/li>\n
- \u53ef\u8fd0\u884c\u5185\u5b58\u538b\u529b\u6d4b\u8bd5\u589e\u52a0\u9519\u8bef\u6982\u7387：\n
stress-ng –vm 2 –vm-bytes 2G –timeout 60s<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
6.5 \u751f\u4ea7\u73af\u5883\u6ce8\u610f\u4e8b\u9879<\/h4>\n
\u26a0\ufe0f\u00a0\u91cd\u8981\u8b66\u544a：<\/p>\n
- \n
- \u6b64\u811a\u672c\u4ec5\u9650\u6d4b\u8bd5\u73af\u5883\u4f7f\u7528<\/li>\n
- \u751f\u4ea7\u670d\u52a1\u5668\u4e0a\u9891\u7e41\u6ce8\u5165\u9519\u8bef\u53ef\u80fd\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u6216\u4e0d\u53ef\u9884\u6d4b\u884c\u4e3a<\/li>\n
- \u5efa\u8bae\u5728\u5907\u7528\u670d\u52a1\u5668\u6216\u865a\u62df\u673a\u4e2d\u6d4b\u8bd5<\/li>\n
- \u6d4b\u8bd5\u5b8c\u6210\u540e\u91cd\u542f\u7cfb\u7edf\u53ef\u6e05\u9664\u6ce8\u5165\u7684\u9519\u8bef\u8ba1\u6570<\/li>\n<\/ul>\n
\u901a\u8fc7\u8fd9\u4e2a\u5b8c\u6574\u7684\u811a\u672c，\u4f60\u53ef\u4ee5：<\/p>\n
- \u9a8c\u8bc1 ECC \u529f\u80fd\u662f\u5426\u771f\u6b63\u751f\u6548：\u770b\u5230\u7ea0\u9519\u65e5\u5fd7\u5373\u8bc1\u660e ECC \u5728\u5de5\u4f5c<\/li>\n
- \u5b9a\u4f4d\u6545\u969c\u5185\u5b58\u6761：\u65e5\u5fd7\u4e2d\u7684\u00a0csrow#X\u00a0\u548c\u00a0channel#Y\u00a0\u5bf9\u5e94\u5177\u4f53\u7269\u7406\u63d2\u69fd<\/li>\n
- \u76d1\u63a7\u5185\u5b58\u5065\u5eb7\u5ea6：\u5b9a\u671f\u8fd0\u884c\u53ef\u5efa\u7acb\u57fa\u7ebf，\u53d1\u73b0\u9519\u8bef\u7387\u4e0a\u5347\u8d8b\u52bf<\/li>\n
- \u7406\u89e3\u7ea0\u9519\u8fc7\u7a0b：\u4eb2\u773c\u770b\u5230\u4ece\u9519\u8bef\u53d1\u751f\u5230\u7ea0\u6b63\u7684\u5b8c\u6574\u65e5\u5fd7\u6d41<\/li>\n
\u8fd9\u79cd\u76f4\u89c2\u7684\u53cd\u9988\u5bf9\u4e8e\u6392\u67e5\u95f4\u6b47\u6027\u6545\u969c\u6781\u5177\u4ef7\u503c，\u5b83\u80fd\u5e2e\u4f60\u7cbe\u786e\u5b9a\u4f4d\u5230\u662f\u54ea\u4e00\u6839\u5185\u5b58\u6761\u51fa\u73b0\u4e86\u4e0d\u7a33\u5b9a\u7684\u8ff9\u8c61\u3002<\/p>\n
\u8b66\u544a：\u6b64\u64cd\u4f5c\u9700\u5728\u6d4b\u8bd5\u73af\u5883\u8fdb\u884c，\u751f\u4ea7\u73af\u5883\u4e25\u7981\u968f\u610f\u6ce8\u5165\u9519\u8bef<\/h2>\n
\u67e5\u627e EDAC \u5b9e\u4f8b<\/h2>\n
ls \/sys\/devices\/system\/edac\/mc\/<\/p>\n
\u5047\u8bbe\u5b58\u5728 mc0，\u5c1d\u8bd5\u6ce8\u5165\u5355\u6bd4\u7279\u9519\u8bef（\u5177\u4f53\u6587\u4ef6\u4f9d\u9a71\u52a8\u5b9e\u73b0\u800c\u5f02）<\/h2>\n
echo 1 > \/sys\/devices\/system\/edac\/mc\/mc0\/inject_section<\/p>\n
\u6267\u884c\u6b64\u7c7b\u64cd\u4f5c\u540e，\u7acb\u5373\u6253\u5f00\u4e00\u4e2a\u65b0\u7684\u7ec8\u7aef\u7a97\u53e3，\u5b9e\u65f6\u76d1\u63a7\u7cfb\u7edf\u65e5\u5fd7：<\/p>\n
```bash
\ntail -f \/var\/log\/syslog | grep -i "EDAC\\\\|ECC"<\/p>\n\u4f60\u5c06\u6709\u673a\u4f1a\u4eb2\u773c\u770b\u5230\u5185\u6838\u6355\u83b7\u5230\u9519\u8bef\u77ac\u95f4\u6253\u5370\u51fa\u7684\u8be6\u7ec6\u4fe1\u606f，\u5305\u62ec\u9519\u8bef\u53d1\u751f\u7684\u7269\u7406\u5730\u5740\u3001\u6240\u5728\u7684 DIMM \u63d2\u69fd\u7f16\u53f7（\u5982 DIMM_A1）\u3001\u662f\u5355\u6bd4\u7279\u8fd8\u662f\u591a\u6bd4\u7279\u9519\u8bef，\u4ee5\u53ca\u7cfb\u7edf\u662f\u5426\u6210\u529f\u8fdb\u884c\u4e86\u7ea0\u6b63\u3002\u8fd9\u79cd\u76f4\u89c2\u7684\u53cd\u9988\u5bf9\u4e8e\u6392\u67e5\u95f4\u6b47\u6027\u6545\u969c\u6781\u5177\u4ef7\u503c，\u5b83\u80fd\u5e2e\u4f60\u7cbe\u786e\u5b9a\u4f4d\u5230\u662f\u54ea\u4e00\u6839\u5185\u5b58\u6761\u51fa\u73b0\u4e86\u4e0d\u7a33\u5b9a\u7684\u8ff9\u8c61\u3002<\/p>\n
\u2466 \u5e38\u89c1\u65e0\u6cd5\u542f\u7528 ECC \u7684\u539f\u56e0\u6392\u67e5<\/h3>\n
\u5728\u5b9e\u9645\u90e8\u7f72\u4e2d，\u7ecf\u5e38\u9047\u5230\u4e70\u4e86 ECC \u5185\u5b58\u5374\u65e0\u6cd5\u542f\u7528\u7684\u60c5\u51b5，\u4e3b\u8981\u539f\u56e0\u901a\u5e38\u96c6\u4e2d\u5728\u4ee5\u4e0b\u51e0\u70b9：<\/p>\n
\u9996\u5148\u662f CPU \u4e0d\u652f\u6301\u3002\u8fd9\u662f\u6700\u5e38\u89c1\u7684\u8bef\u533a，\u8bb8\u591a\u7528\u6237\u8bef\u4ee5\u4e3a\u53ea\u8981\u5185\u5b58\u662f ECC \u7684，\u63d2\u5728\u666e\u901a\u5bb6\u7528 CPU \u4e0a\u5c31\u80fd\u7528\u3002\u4e8b\u5b9e\u4e0a，\u975e\u652f\u6301\u5217\u8868\u5185\u7684 CPU \u4f1a\u76f4\u63a5\u5ffd\u7565 ECC \u4fe1\u53f7\u7ebf\u3002\u89e3\u51b3\u65b9\u6cd5\u662f\u6838\u5bf9 CPU \u5b98\u65b9\u89c4\u683c\u4e66，\u786e\u8ba4\u5176\u660e\u786e\u6807\u6ce8\u652f\u6301 ECC\u3002<\/p>\n
\u5176\u6b21\u662f\u6df7\u5408\u63d2\u62d4\u95ee\u9898\u3002\u5982\u679c\u5728\u540c\u4e00\u53f0\u673a\u5668\u4e0a\u6df7\u7528\u4e86\u975e ECC \u5185\u5b58\u548c ECC \u5185\u5b58，\u6216\u8005\u6df7\u7528\u4e86 RDIMM \u548c UDIMM，\u4e3b\u677f\u4e3a\u4e86\u4fdd\u62a4\u7cfb\u7edf\u7a33\u5b9a\u6027，\u901a\u5e38\u4f1a\u5f3a\u5236\u5173\u95ed ECC \u529f\u80fd，\u751a\u81f3\u964d\u7ea7\u4ee5\u6700\u4f4e\u517c\u5bb9\u6a21\u5f0f\u8fd0\u884c\u3002\u52a1\u5fc5\u4fdd\u8bc1\u6240\u6709\u5185\u5b58\u6761\u54c1\u724c\u3001\u578b\u53f7\u3001\u5bb9\u91cf\u3001\u65f6\u5e8f\u5b8c\u5168\u4e00\u81f4\u3002<\/p>\n
\u6700\u540e\u662f BIOS \u8bbe\u7f6e\u9057\u6f0f\u6216\u7248\u672c\u8fc7\u65e7\u3002\u90e8\u5206\u8001\u7248\u672c BIOS \u53ef\u80fd\u5b58\u5728 Bug，\u65e0\u6cd5\u6b63\u786e\u8bc6\u522b\u65b0\u578b\u53f7\u7684 ECC \u5185\u5b58\u3002\u5c1d\u8bd5\u66f4\u65b0\u4e3b\u677f BIOS \u5230\u6700\u65b0\u7248\u672c，\u5e76\u4ed4\u7ec6\u68c0\u67e5 BIOS \u4e2d\u662f\u5426\u6709\u9690\u85cf\u7684"Memory Interleaving"\u6216"Bank Swizzle"\u7b49\u9ad8\u7ea7\u9009\u9879\u5f71\u54cd\u4e86 ECC \u7684\u5730\u5740\u6620\u5c04，\u5fc5\u8981\u65f6\u53ef\u5c1d\u8bd5\u91cd\u7f6e BIOS \u4e3a\u9ed8\u8ba4\u4f18\u5316\u503c\u540e\u518d\u5355\u72ec\u5f00\u542f ECC\u3002<\/p>\n
7.1 ECC \u6545\u969c\u6392\u67e5\u6d41\u7a0b\u56fe<\/h4>\n
\u4e3a\u4e86\u5e2e\u52a9\u8bfb\u8005\u5feb\u901f\u5b9a\u4f4d\u548c\u89e3\u51b3 ECC \u65e0\u6cd5\u542f\u7528\u7684\u95ee\u9898，\u4e0b\u9762\u63d0\u4f9b\u4e00\u4e2a\u5b8c\u6574\u7684\u6545\u969c\u6392\u67e5\u6d41\u7a0b\u56fe\u3002\u5f53\u53d1\u73b0 ECC \u529f\u80fd\u672a\u751f\u6548\u65f6，\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u9010\u4e00\u6392\u67e5：<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261009091704-6ac8b110e5963.png\")
<\/p>\n7.2 \u6d41\u7a0b\u56fe\u4f7f\u7528\u8bf4\u660e<\/h4>\n
7.2.1 \u6392\u67e5\u6b65\u9aa4\u8be6\u89e3<\/h5>\n
- \n
CPU \u652f\u6301\u68c0\u67e5（\u7b2c\u4e00\u6b65）<\/p>\n
- \n
- \u68c0\u67e5\u65b9\u6cd5：\u67e5\u9605 CPU \u5b98\u65b9\u89c4\u683c\u4e66，\u786e\u8ba4\u662f\u5426\u660e\u786e\u6807\u6ce8\u652f\u6301 ECC<\/li>\n
- \u5e38\u89c1\u4e0d\u652f\u6301\u578b\u53f7：Intel Core i3\/i5\/i7\/i9（\u975e W \u7cfb\u5217）\u3001AMD Ryzen（\u975e Pro \u7cfb\u5217）<\/li>\n
- \u652f\u6301\u578b\u53f7：Intel Xeon \u5168\u7cfb\u3001Intel Core W \u7cfb\u5217\u3001AMD EPYC \u5168\u7cfb\u3001AMD Ryzen Pro \u7cfb\u5217<\/li>\n<\/ul>\n<\/li>\n
- \n
\u4e3b\u677f\u517c\u5bb9\u6027\u68c0\u67e5<\/p>\n
- \n
- \u68c0\u67e5\u65b9\u6cd5：\u67e5\u770b\u4e3b\u677f\u8bf4\u660e\u4e66\u6216\u5b98\u7f51 QVL（\u5408\u683c\u4f9b\u5e94\u5546\u5217\u8868）<\/li>\n
- \u670d\u52a1\u5668\u4e3b\u677f：\u901a\u5e38\u90fd\u652f\u6301 ECC<\/li>\n
- \u5de5\u4f5c\u7ad9\/\u684c\u9762\u4e3b\u677f：\u9700\u660e\u786e\u6807\u6ce8\u652f\u6301 ECC，\u5982 ASUS WS \u7cfb\u5217\u3001ASRock Rack \u7cfb\u5217\u7b49<\/li>\n<\/ul>\n<\/li>\n
- \n
BIOS \u8bbe\u7f6e\u9a8c\u8bc1<\/p>\n
- \n
- \u8fdb\u5165 BIOS：\u5f00\u673a\u6309 Del\/F2\/F10 \u952e（\u4f9d\u4e3b\u677f\u578b\u53f7\u800c\u5b9a）<\/li>\n
- \u67e5\u627e\u4f4d\u7f6e：Advanced \u2192 Chipset Configuration \u2192 Memory Configuration<\/li>\n
- \u5173\u952e\u9009\u9879：\n
- \n
- ECC Support\u00a0\/\u00a0Memory Error Correction：\u8bbe\u7f6e\u4e3a\u00a0Enabled<\/li>\n
- ECC Scrubbing：\u5efa\u8bae\u5f00\u542f，\u7528\u4e8e\u540e\u53f0\u5de1\u68c0\u4fee\u590d\u8f6f\u9519\u8bef<\/li>\n
- Memory Interleaving：\u4fdd\u6301\u9ed8\u8ba4\u6216 Auto<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n
- \n
\u5185\u5b58\u6df7\u7528\u6392\u67e5<\/p>\n
- \n
- \u7981\u6b62\u6df7\u7528\u7c7b\u578b：\n
- \n
- ECC \u4e0e\u975e ECC \u5185\u5b58\u6df7\u7528<\/li>\n
- RDIMM（\u5e26\u5bc4\u5b58\u5668）\u4e0e UDIMM（\u65e0\u7f13\u51b2）\u6df7\u7528<\/li>\n
- \u4e0d\u540c\u5bb9\u91cf\u3001\u65f6\u5e8f\u3001\u9891\u7387\u7684\u5185\u5b58\u6df7\u7528<\/li>\n<\/ul>\n<\/li>\n
- \u6700\u4f73\u5b9e\u8df5：\u540c\u4e00\u901a\u9053\u6240\u6709\u63d2\u69fd\u4f7f\u7528\u5b8c\u5168\u76f8\u540c\u7684\u5185\u5b58\u6761<\/li>\n<\/ul>\n<\/li>\n
- \n
BIOS \u7248\u672c\u66f4\u65b0<\/p>\n
- \n
- \u68c0\u67e5\u5f53\u524d\u7248\u672c：BIOS \u4e3b\u754c\u9762\u6216\u4f7f\u7528\u00a0dmidecode -s bios-version<\/li>\n
- \u4e0b\u8f7d\u66f4\u65b0：\u4ece\u4e3b\u677f\u5382\u5546\u5b98\u7f51\u4e0b\u8f7d\u6700\u65b0 BIOS<\/li>\n
- \u66f4\u65b0\u65b9\u6cd5：\u4f7f\u7528\u5382\u5546\u63d0\u4f9b\u7684\u5237\u65b0\u5de5\u5177，\u6ce8\u610f\u66f4\u65b0\u8fc7\u7a0b\u4e2d\u4e0d\u80fd\u65ad\u7535<\/li>\n<\/ul>\n<\/li>\n
- \n
\u64cd\u4f5c\u7cfb\u7edf\u8bc6\u522b\u9a8c\u8bc1<\/p>\n
- \n
- Linux \u7cfb\u7edf：\n
# \u68c0\u67e5\u5185\u6838\u6d88\u606f
\ndmesg | grep -i "EDAC\\\\|ECC"<\/p>\n# \u67e5\u770b\u5185\u5b58\u8be6\u7ec6\u4fe1\u606f
\nsudo dmidecode -t memory | grep -A 10 "Error"<\/p>\n<\/li>\n - Windows \u7cfb\u7edf：\n
# PowerShell \u67e5\u770b
\nGet-WmiObject Win32_PhysicalMemory | Select-Object DataWidth, TotalWidth
\n# \u5982\u679c TotalWidth > DataWidth，\u8bf4\u660e\u6709 ECC \u4f4d<\/p>\n<\/li>\n<\/ul>\n<\/li>\n7.2.3 \u5e38\u89c1\u95ee\u9898\u5feb\u901f\u5bf9\u7167\u8868<\/h5>\n
\n
\u75c7\u72b6\u53ef\u80fd\u539f\u56e0\u89e3\u51b3\u65b9\u6848<\/tr>\n \n\n \u7cfb\u7edf\u65e0\u6cd5\u542f\u52a8<\/td>\n \u5185\u5b58\u6df7\u7528\u6216\u578b\u53f7\u4e0d\u5339\u914d<\/td>\n \u7edf\u4e00\u5185\u5b58\u89c4\u683c，\u786e\u4fdd\u6240\u6709\u6761\u4e00\u81f4<\/td>\n<\/tr>\n \n BIOS \u4e2d\u65e0 ECC \u9009\u9879<\/td>\n 1. CPU \u4e0d\u652f\u6301
\n2. \u4e3b\u677f\u4e0d\u652f\u6301
\n3. BIOS \u7248\u672c\u8fc7\u65e7<\/td>\n1. \u66f4\u6362 CPU
\n2. \u66f4\u6362\u4e3b\u677f
\n3. \u66f4\u65b0 BIOS<\/td>\n<\/tr>\n\n \u7cfb\u7edf\u8bc6\u522b\u4f46 ECC \u672a\u751f\u6548<\/td>\n 1. BIOS \u8bbe\u7f6e\u672a\u4fdd\u5b58
\n2. \u5185\u5b58\u6761\u6545\u969c
\n3. \u63d2\u69fd\u63a5\u89e6\u4e0d\u826f<\/td>\n1. \u91cd\u65b0\u4fdd\u5b58 BIOS \u8bbe\u7f6e
\n2. \u66f4\u6362\u5185\u5b58\u6761\u6d4b\u8bd5
\n3. \u91cd\u65b0\u63d2\u62d4\u5185\u5b58<\/td>\n<\/tr>\n\n \u5076\u5c14\u51fa\u73b0 ECC \u9519\u8bef<\/td>\n 1. \u5185\u5b58\u6761\u5373\u5c06\u635f\u574f
\n2. \u7535\u6e90\u4e0d\u7a33\u5b9a
\n3. \u6563\u70ed\u4e0d\u826f<\/td>\n1. \u66ff\u6362\u53ef\u7591\u5185\u5b58\u6761
\n2. \u68c0\u67e5\u7535\u6e90\u8d28\u91cf
\n3. \u6539\u5584\u673a\u7bb1\u6563\u70ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n7.2.4 \u9ad8\u7ea7\u6392\u67e5\u5de5\u5177<\/h5>\n
\u5982\u679c\u4ee5\u4e0a\u6b65\u9aa4\u4ecd\u65e0\u6cd5\u89e3\u51b3\u95ee\u9898，\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u5de5\u5177\u8fdb\u884c\u6df1\u5165\u8bca\u65ad：<\/p>\n
- \n
Memtest86+：\u68c0\u6d4b\u5185\u5b58\u786c\u4ef6\u6545\u969c<\/p>\n
# \u5236\u4f5c\u542f\u52a8 U \u76d8\u540e\u8fd0\u884c，\u89c2\u5bdf ECC Corrections \u8ba1\u6570<\/p>\n<\/li>\n
- \n
IPMI\/BMC \u65e5\u5fd7：\u670d\u52a1\u5668\u7ba1\u7406\u53e3\u67e5\u770b\u786c\u4ef6\u4e8b\u4ef6<\/p>\n
# \u901a\u8fc7 IPMI \u5de5\u5177\u67e5\u770b SEL（\u7cfb\u7edf\u4e8b\u4ef6\u65e5\u5fd7）
\nipmitool sel list<\/p>\n<\/li>\n- \n
\u5382\u5546\u8bca\u65ad\u5de5\u5177：<\/p>\n
- \n
- Dell：DSET \u8bca\u65ad\u5de5\u5177<\/li>\n
- HP：Insight Diagnostics<\/li>\n
- Lenovo：ThinkSystem Diagnostics<\/li>\n<\/ul>\n<\/li>\n
7.2.5 \u9884\u9632\u6027\u5efa\u8bae<\/h5>\n
- \u91c7\u8d2d\u524d\u9a8c\u8bc1：\u5728\u8d2d\u4e70\u786c\u4ef6\u524d，\u52a1\u5fc5\u786e\u8ba4 CPU\u3001\u4e3b\u677f\u3001\u5185\u5b58\u4e09\u8005\u7684 ECC \u517c\u5bb9\u6027<\/li>\n
- \u6279\u91cf\u91c7\u8d2d：\u540c\u4e00\u6279\u6b21\u91c7\u8d2d\u6240\u6709\u5185\u5b58，\u907f\u514d\u517c\u5bb9\u6027\u95ee\u9898<\/li>\n
- \u4fdd\u7559\u51ed\u8bc1：\u4fdd\u5b58\u8d2d\u4e70\u53d1\u7968\u548c\u4fdd\u4fee\u4fe1\u606f，\u4fbf\u4e8e\u552e\u540e\u652f\u6301<\/li>\n
- \u5b9a\u671f\u68c0\u67e5：\u6bcf\u6708\u68c0\u67e5\u4e00\u6b21 ECC \u72b6\u6001，\u5efa\u7acb\u5065\u5eb7\u57fa\u7ebf<\/li>\n
\u901a\u8fc7\u8fd9\u4e2a\u6d41\u7a0b\u56fe\u548c\u914d\u5957\u7684\u6392\u67e5\u6307\u5357，\u4f60\u53ef\u4ee5\u7cfb\u7edf\u5316\u5730\u89e3\u51b3 ECC \u65e0\u6cd5\u542f\u7528\u7684\u95ee\u9898，\u786e\u4fdd\u670d\u52a1\u5668\u7684\u5185\u5b58\u4fdd\u62a4\u673a\u5236\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n
\u2467 \u670d\u52a1\u5668\u573a\u666f\u4e0b\u7684\u6027\u80fd\u635f\u8017\u8bc4\u4f30<\/h3>\n
\u5f15\u5165 ECC \u673a\u5236\u4e0d\u53ef\u907f\u514d\u5730\u4f1a\u5e26\u6765\u4e00\u5b9a\u7684\u6027\u80fd\u5f00\u9500，\u4e3b\u8981\u4f53\u73b0\u5728\u4e24\u4e2a\u65b9\u9762：\u5ef6\u8fdf\u589e\u52a0\u548c\u5e26\u5bbd\u5360\u7528\u3002\u7531\u4e8e\u6bcf\u6b21\u8bfb\u5199\u90fd\u9700\u8981\u8fdb\u884c\u6821\u9a8c\u7801\u7684\u8ba1\u7b97\u548c\u6bd4\u5bf9，\u5185\u5b58\u8bbf\u95ee\u5ef6\u8fdf\u4f1a\u6709\u6240\u4e0a\u5347\u3002\u7406\u8bba\u4e0a，\u5199\u5165\u64cd\u4f5c\u9700\u8981\u989d\u5916\u65f6\u95f4\u751f\u6210\u6821\u9a8c\u7801，\u8bfb\u53d6\u64cd\u4f5c\u9700\u8981\u65f6\u95f4\u9a8c\u8bc1，\u8fd9\u53ef\u80fd\u5bfc\u81f4\u5185\u5b58\u5ef6\u8fdf\u589e\u52a0\u51e0\u4e2a\u7eb3\u79d2\u3002<\/p>\n
\u7136\u800c，\u5728\u73b0\u4ee3\u786c\u4ef6\u67b6\u6784\u4e2d，\u8fd9\u79cd\u5f71\u54cd\u5df2\u7ecf\u88ab\u4f18\u5316\u5f97\u975e\u5e38\u5fae\u5c0f\u3002\u5185\u5b58\u63a7\u5236\u5668\u901a\u5e38\u5185\u7f6e\u4e86\u4e13\u7528\u7684 ECC \u8ba1\u7b97\u7535\u8def，\u80fd\u591f\u5e76\u884c\u5904\u7406\u6570\u636e\u6d41\u3002\u5728\u5b9e\u9645\u7684\u670d\u52a1\u5668\u57fa\u51c6\u6d4b\u8bd5\u4e2d，\u5f00\u542f ECC \u5e26\u6765\u7684\u6574\u4f53\u541e\u5410\u91cf\u4e0b\u964d\u901a\u5e38\u5728 1% \u5230 3% \u4e4b\u95f4，\u5bf9\u4e8e\u5927\u591a\u6570\u5e94\u7528\u573a\u666f\u800c\u8a00，\u8fd9\u70b9\u635f\u8017\u5b8c\u5168\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1\u3002\u76f8\u6bd4\u4e4b\u4e0b，\u56e0\u5185\u5b58\u9519\u8bef\u5bfc\u81f4\u7684\u91cd\u4f20\u3001\u8ba1\u7b97\u91cd\u8bd5\u751a\u81f3\u7cfb\u7edf\u5b95\u673a\u6240\u5e26\u6765\u7684\u6027\u80fd\u635f\u5931\u8981\u5927\u5f97\u591a\u3002<\/p>\n
8.1 \u5178\u578b\u573a\u666f\u6027\u80fd\u5bf9\u6bd4\u5206\u6790<\/h4>\n
\u4e3a\u4e86\u66f4\u76f4\u89c2\u5730\u5c55\u793a ECC \u5bf9\u6027\u80fd\u7684\u5b9e\u9645\u5f71\u54cd，\u4e0b\u8868\u6c47\u603b\u4e86\u57fa\u4e8e Intel Xeon \u548c AMD EPYC \u5e73\u53f0\u7684\u516c\u5f00\u57fa\u51c6\u6d4b\u8bd5\u6570\u636e：<\/p>\n
\n
\u6d4b\u8bd5\u573a\u666f\u5f00\u542f ECC \u65f6\u7684\u6027\u80fd\u6307\u6807\u5173\u95ed ECC \u65f6\u7684\u6027\u80fd\u6307\u6807\u6027\u80fd\u635f\u8017\u767e\u5206\u6bd4\u63a8\u8350\u5efa\u8bae<\/tr>\n \n\n \u6570\u636e\u5e93 OLTP
\n(\u5982 MySQL\/PostgreSQL)<\/td>\n\u4e8b\u52a1\u5904\u7406：18,500 TPS
\n\u5e73\u5747\u5ef6\u8fdf：2.8ms<\/td>\n\u4e8b\u52a1\u5904\u7406：18,900 TPS
\n\u5e73\u5747\u5ef6\u8fdf：2.7ms<\/td>\n\u7ea6 2.1%<\/td>\n \u5f3a\u70c8\u5efa\u8bae\u5f00\u542f
\n\u6570\u636e\u5b8c\u6574\u6027\u5bf9\u6570\u636e\u5e93\u81f3\u5173\u91cd\u8981，2% \u7684\u6027\u80fd\u635f\u5931\u8fdc\u4f4e\u4e8e\u6570\u636e\u635f\u574f\u7684\u98ce\u9669<\/td>\n<\/tr>\n\n \u79d1\u5b66\u8ba1\u7b97 HPL
\n(\u9ad8\u6027\u80fd Linpack)<\/td>\n\u8ba1\u7b97\u6027\u80fd：3.45 TFLOPS
\n\u5185\u5b58\u5e26\u5bbd：220 GB\/s<\/td>\n\u8ba1\u7b97\u6027\u80fd：3.52 TFLOPS
\n\u5185\u5b58\u5e26\u5bbd：225 GB\/s<\/td>\n\u7ea6 2.0%<\/td>\n \u5efa\u8bae\u5f00\u542f
\n\u79d1\u5b66\u8ba1\u7b97\u5bf9\u7cbe\u5ea6\u8981\u6c42\u6781\u9ad8，ECC \u53ef\u9632\u6b62\u8ba1\u7b97\u8fc7\u7a0b\u4e2d\u7684\u9759\u9ed8\u9519\u8bef<\/td>\n<\/tr>\n\n \u5185\u5b58\u5e26\u5bbd\u6d4b\u8bd5
\n(Stream Triad)<\/td>\n\u5e26\u5bbd：185 GB\/s
\n\u5ef6\u8fdf：85 ns<\/td>\n\u5e26\u5bbd：190 GB\/s
\n\u5ef6\u8fdf：82 ns<\/td>\n\u7ea6 2.6%<\/td>\n \u5efa\u8bae\u5f00\u542f
\n\u5e26\u5bbd\u654f\u611f\u5e94\u7528\u53ef\u63a5\u53d7\u8f7b\u5fae\u635f\u8017，\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u5b8c\u6574\u6027<\/td>\n<\/tr>\n\n \u865a\u62df\u5316\u5e73\u53f0
\n(VMware ESXi\/KVM)<\/td>\n\u865a\u62df\u673a\u5bc6\u5ea6：45 \u53f0\/\u8282\u70b9
\n\u8fc1\u79fb\u65f6\u95f4：32s<\/td>\n\u865a\u62df\u673a\u5bc6\u5ea6：46 \u53f0\/\u8282\u70b9
\n\u8fc1\u79fb\u65f6\u95f4：31s<\/td>\n\u7ea6 2.2%<\/td>\n \u5fc5\u987b\u5f00\u542f
\n\u865a\u62df\u5316\u73af\u5883\u5185\u5b58\u9519\u8bef\u5f71\u54cd\u8303\u56f4\u5e7f，ECC \u662f\u751f\u4ea7\u73af\u5883\u6807\u914d<\/td>\n<\/tr>\n\n \u5185\u5b58\u7f13\u5b58\u670d\u52a1
\n(Redis\/Memcached)<\/td>\nQPS：1,250,000
\nP99 \u5ef6\u8fdf：0.45ms<\/td>\nQPS：1,280,000
\nP99 \u5ef6\u8fdf：0.42ms<\/td>\n\u7ea6 2.3%<\/td>\n \u6839\u636e\u573a\u666f\u9009\u62e9
\n\u5bf9\u5ef6\u8fdf\u6781\u5ea6\u654f\u611f\u7684\u573a\u666f\u53ef\u8bc4\u4f30\u98ce\u9669，\u4f46\u5efa\u8bae\u5f00\u542f<\/td>\n<\/tr>\n\n \u6587\u4ef6\u670d\u52a1\u5668
\n(NFS\/Samba)<\/td>\n\u541e\u5410\u91cf：2.1 GB\/s
\nIOPS：85,000<\/td>\n\u541e\u5410\u91cf：2.15 GB\/s
\nIOPS：87,000<\/td>\n\u7ea6 2.3%<\/td>\n \u5efa\u8bae\u5f00\u542f
\n\u6587\u4ef6\u670d\u52a1\u5bf9\u6570\u636e\u5b8c\u6574\u6027\u8981\u6c42\u9ad8，\u6027\u80fd\u5f71\u54cd\u53ef\u63a5\u53d7<\/td>\n<\/tr>\n\n Web \u5e94\u7528\u670d\u52a1\u5668
\n(Nginx\/Apache)<\/td>\n\u8bf7\u6c42\u5904\u7406：12,500 req\/s
\n\u54cd\u5e94\u65f6\u95f4：45ms<\/td>\n\u8bf7\u6c42\u5904\u7406：12,800 req\/s
\n\u54cd\u5e94\u65f6\u95f4：44ms<\/td>\n\u7ea6 2.3%<\/td>\n \u5efa\u8bae\u5f00\u542f
\n\u73b0\u4ee3 Web \u5e94\u7528\u591a\u4e3a I\/O \u5bc6\u96c6\u578b，\u5185\u5b58\u6027\u80fd\u975e\u4e3b\u8981\u74f6\u9888<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\u8868\u683c\u8bf4\u660e：<\/p>\n
- \u6570\u636e\u6765\u6e90：\u57fa\u4e8e Intel Xeon Scalable \u548c AMD EPYC 7000 \u7cfb\u5217\u5904\u7406\u5668\u7684\u516c\u5f00\u57fa\u51c6\u6d4b\u8bd5\u62a5\u544a，\u6d4b\u8bd5\u73af\u5883\u4e3a\u76f8\u540c\u786c\u4ef6\u914d\u7f6e\u4e0b\u5206\u522b\u5f00\u542f\/\u5173\u95ed ECC \u529f\u80fd\u3002<\/li>\n
- \u6d4b\u8bd5\u6761\u4ef6：\u6240\u6709\u6d4b\u8bd5\u5747\u5728\u76f8\u540c\u786c\u4ef6（CPU\u3001\u5185\u5b58\u9891\u7387\u3001\u901a\u9053\u6570）\u4e0b\u8fdb\u884c，\u4ec5 ECC \u5f00\u5173\u72b6\u6001\u4e0d\u540c\u3002<\/li>\n
- \u6027\u80fd\u635f\u8017\u8303\u56f4：\u5b9e\u9645\u635f\u8017\u56e0\u5177\u4f53\u786c\u4ef6\u578b\u53f7\u3001\u5185\u5b58\u914d\u7f6e\u548c\u5de5\u4f5c\u8d1f\u8f7d\u800c\u5f02，\u901a\u5e38\u5728 1%-3% \u4e4b\u95f4\u3002<\/li>\n
- \u5ef6\u8fdf\u5f71\u54cd：ECC \u4e3b\u8981\u589e\u52a0\u5185\u5b58\u8bbf\u95ee\u5ef6\u8fdf\u7ea6 2-5 \u7eb3\u79d2，\u5bf9\u5927\u591a\u6570\u5e94\u7528\u5f71\u54cd\u5fae\u4e4e\u5176\u5fae\u3002<\/li>\n
- \u73b0\u4ee3\u4f18\u5316：\u65b0\u4e00\u4ee3\u5185\u5b58\u63a7\u5236\u5668（\u5982 DDR5）\u901a\u8fc7\u5e76\u884c\u6821\u9a8c\u8ba1\u7b97\u8fdb\u4e00\u6b65\u964d\u4f4e\u4e86 ECC \u5f00\u9500\u3002<\/li>\n
8.2 \u6027\u80fd\u635f\u8017\u7684\u6df1\u5c42\u5206\u6790<\/h4>\n
8.2.1 \u5ef6\u8fdf\u589e\u52a0\u7684\u6765\u6e90<\/h5>\n
ECC \u5e26\u6765\u7684\u5ef6\u8fdf\u4e3b\u8981\u6765\u81ea\u4e24\u4e2a\u73af\u8282：<\/p>\n
- \u5199\u5165\u5ef6\u8fdf：\u5199\u5165\u6570\u636e\u65f6\u9700\u8981\u8ba1\u7b97\u5e76\u5b58\u50a8\u6821\u9a8c\u7801，\u589e\u52a0\u7ea6 1-2 \u4e2a\u65f6\u949f\u5468\u671f\u3002<\/li>\n
- \u8bfb\u53d6\u5ef6\u8fdf：\u8bfb\u53d6\u65f6\u9700\u8981\u9a8c\u8bc1\u6821\u9a8c\u7801，\u5982\u53d1\u73b0\u9519\u8bef\u8fd8\u9700\u7ea0\u6b63，\u589e\u52a0\u7ea6 2-3 \u4e2a\u65f6\u949f\u5468\u671f\u3002<\/li>\n
\u5bf9\u4e8e DDR4-3200 \u5185\u5b58（\u65f6\u949f\u5468\u671f\u7ea6 0.625ns），ECC \u5e26\u6765\u7684\u989d\u5916\u5ef6\u8fdf\u7ea6\u4e3a 1.9-3.1ns\u3002\u5728\u5178\u578b\u7684\u670d\u52a1\u5668\u5e94\u7528\u4e2d，\u5185\u5b58\u8bbf\u95ee\u901a\u5e38\u9700\u8981 70-100ns，ECC \u589e\u52a0\u7684\u5ef6\u8fdf\u5360\u6bd4\u4e0d\u5230 5%\u3002<\/p>\n
8.2.2 \u5e26\u5bbd\u5360\u7528\u5206\u6790<\/h5>\n
ECC \u9700\u8981\u989d\u5916\u7684\u6821\u9a8c\u4f4d\u4f20\u8f93，\u4ee5\u5e38\u89c1\u7684 64 \u4f4d\u6570\u636e+8 \u4f4d\u6821\u9a8c\u4e3a\u4f8b，\u6709\u6548\u5e26\u5bbd\u5229\u7528\u7387\u4e3a：<\/p>\n
- \n
- \u7406\u8bba\u5e26\u5bbd\u5229\u7528\u7387：64\/(64+8) = 88.9%<\/li>\n
- \u5b9e\u9645\u6d4b\u8bd5\u5e26\u5bbd\u635f\u5931：\u7ea6 2-3%<\/li>\n<\/ul>\n
\u73b0\u4ee3\u5185\u5b58\u63a7\u5236\u5668\u901a\u8fc7\u4ee5\u4e0b\u6280\u672f\u4f18\u5316\u5e26\u5bbd\u5229\u7528：<\/p>\n
- \n
- \u7a81\u53d1\u4f20\u8f93\u4f18\u5316：\u5c06\u6821\u9a8c\u4f4d\u4e0e\u6570\u636e\u4f4d\u5e76\u884c\u4f20\u8f93<\/li>\n
- \u9884\u53d6\u7f13\u51b2：\u63d0\u524d\u8ba1\u7b97\u6821\u9a8c\u7801\u51cf\u5c11\u7b49\u5f85\u65f6\u95f4<\/li>\n
- \u6d41\u6c34\u7ebf\u8bbe\u8ba1：\u6821\u9a8c\u8ba1\u7b97\u4e0e\u6570\u636e\u4f20\u8f93\u91cd\u53e0\u8fdb\u884c<\/li>\n<\/ul>\n
8.2.3 \u4e0d\u540c\u5de5\u4f5c\u8d1f\u8f7d\u7684\u654f\u611f\u5ea6<\/h5>\n
- \n
- \u8ba1\u7b97\u5bc6\u96c6\u578b：\u5bf9\u5185\u5b58\u5e26\u5bbd\u654f\u611f，ECC \u5f71\u54cd\u76f8\u5bf9\u660e\u663e（2-3%）<\/li>\n
- I\/O \u5bc6\u96c6\u578b：\u4e3b\u8981\u74f6\u9888\u5728\u5b58\u50a8\/\u7f51\u7edc，ECC \u5f71\u54cd\u53ef\u5ffd\u7565（<1%）<\/li>\n
- \u5185\u5b58\u5bc6\u96c6\u578b：\u5982\u5185\u5b58\u6570\u636e\u5e93，ECC \u5f71\u54cd\u4e2d\u7b49（1.5-2.5%）<\/li>\n
- \u4f4e\u5ef6\u8fdf\u4ea4\u6613：\u5bf9\u7eb3\u79d2\u7ea7\u5ef6\u8fdf\u654f\u611f，\u9700\u7279\u522b\u8bc4\u4f30（\u53ef\u80fd\u8fbe 3-5%）<\/li>\n<\/ul>\n
8.3 \u5b9e\u9645\u90e8\u7f72\u5efa\u8bae<\/h4>\n
\u57fa\u4e8e\u4e0a\u8ff0\u5206\u6790，\u6211\u4eec\u7ed9\u51fa\u4ee5\u4e0b\u90e8\u7f72\u5efa\u8bae：<\/p>\n
8.3.1 \u5fc5\u987b\u5f00\u542f ECC \u7684\u573a\u666f<\/h5>\n
- \u91d1\u878d\u4ea4\u6613\u7cfb\u7edf：\u6570\u636e\u51c6\u786e\u6027\u9ad8\u4e8e\u4e00\u5207，\u4efb\u4f55\u9519\u8bef\u90fd\u53ef\u80fd\u5bfc\u81f4\u91cd\u5927\u635f\u5931<\/li>\n
- \u6570\u636e\u5e93\u670d\u52a1\u5668：\u9632\u6b62\u6570\u636e\u9759\u9ed8\u635f\u574f，\u786e\u4fdd\u4e8b\u52a1\u4e00\u81f4\u6027<\/li>\n
- \u79d1\u5b66\u8ba1\u7b97\u96c6\u7fa4：\u4fdd\u8bc1\u8ba1\u7b97\u7ed3\u679c\u7684\u51c6\u786e\u6027，\u907f\u514d\u7814\u7a76\u6570\u636e\u6c61\u67d3<\/li>\n
- \u865a\u62df\u5316\u5e73\u53f0：\u4fdd\u62a4\u591a\u4e2a\u865a\u62df\u673a\u5171\u4eab\u7684\u5185\u5b58\u7a7a\u95f4<\/li>\n
- \u5b58\u50a8\u670d\u52a1\u5668：\u786e\u4fdd\u5b58\u50a8\u6570\u636e\u7684\u5b8c\u6574\u6027，\u9632\u6b62\u6587\u4ef6\u7cfb\u7edf\u635f\u574f<\/li>\n
8.3.2 \u53ef\u8bc4\u4f30\u5173\u95ed ECC \u7684\u573a\u666f（\u4ec5\u9650\u7279\u5b9a\u60c5\u51b5）<\/h5>\n
- \u9ad8\u9891\u4ea4\u6613\u7cfb\u7edf：\u5bf9\u5ef6\u8fdf\u6781\u5ea6\u654f\u611f，\u4e14\u5177\u5907\u5e94\u7528\u5c42\u5bb9\u9519\u673a\u5236<\/li>\n
- \u5b9e\u65f6\u6e32\u67d3\u519c\u573a：\u8ffd\u6c42\u6781\u81f4\u6e32\u67d3\u901f\u5ea6，\u53ef\u63a5\u53d7\u5076\u53d1\u6027\u9519\u8bef<\/li>\n
- \u6e38\u620f\u670d\u52a1\u5668：\u90e8\u5206\u5bf9\u5e27\u7387\u8981\u6c42\u6781\u9ad8\u7684\u7ade\u6280\u6e38\u620f\u670d\u52a1\u5668<\/li>\n
\u91cd\u8981\u63d0\u9192：\u5373\u4f7f\u5728\u8fd9\u4e9b\u573a\u666f\u4e2d\u5173\u95ed ECC，\u4e5f\u5fc5\u987b：<\/p>\n
- \n
- \u90e8\u7f72\u5b8c\u5584\u7684\u5e94\u7528\u5c42\u6821\u9a8c\u673a\u5236<\/li>\n
- \u5efa\u7acb\u4e25\u683c\u7684\u5185\u5b58\u5065\u5eb7\u76d1\u63a7<\/li>\n
- \u5b9a\u671f\u8fdb\u884c\u5185\u5b58\u538b\u529b\u6d4b\u8bd5<\/li>\n
- \u51c6\u5907\u5feb\u901f\u6545\u969c\u5207\u6362\u65b9\u6848<\/li>\n<\/ul>\n
8.3.3 \u6027\u80fd\u4f18\u5316\u6280\u5de7<\/h5>\n
\u5982\u679c\u786e\u5b9e\u9700\u8981\u6700\u5927\u5316\u6027\u80fd，\u53ef\u8003\u8651\u4ee5\u4e0b\u6298\u4e2d\u65b9\u6848：<\/p>\n
- \u6df7\u5408\u90e8\u7f72：\u5173\u952e\u670d\u52a1\u4f7f\u7528 ECC \u5185\u5b58，\u7f13\u5b58\u5c42\u4f7f\u7528\u975e ECC<\/li>\n
- \u5185\u5b58\u5206\u7ea7：\u70ed\u6570\u636e\u4f7f\u7528\u975e ECC，\u51b7\u6570\u636e\u4f7f\u7528 ECC<\/li>\n
- \u8f6f\u4ef6\u4f18\u5316：\u901a\u8fc7\u5927\u9875\u5185\u5b58\u3001NUMA \u7ed1\u5b9a\u51cf\u5c11\u5185\u5b58\u8bbf\u95ee\u6b21\u6570<\/li>\n
- \u786c\u4ef6\u9009\u62e9：\u9009\u62e9\u652f\u6301\u7247\u4e0a ECC \u7684\u5904\u7406\u5668（\u5982 AMD EPYC），\u51cf\u5c11\u5ef6\u8fdf<\/li>\n
8.4 \u6210\u672c\u6548\u76ca\u5206\u6790<\/h4>\n
\u4ece\u6295\u8d44\u56de\u62a5\u7387（ROI）\u89d2\u5ea6\u8003\u8651 ECC \u7684\u4ef7\u503c：<\/p>\n
\n
\u6210\u672c\u9879\u975e ECC \u5185\u5b58ECC \u5185\u5b58\u589e\u91cf\u6210\u672c<\/tr>\n \n\n \u786c\u4ef6\u6210\u672c<\/td>\n \u57fa\u51c6\u4ef7\u683c<\/td>\n \u8d35 15-25%<\/td>\n +15-25%<\/td>\n<\/tr>\n \n \u6027\u80fd\u635f\u5931<\/td>\n 0%<\/td>\n 1-3%<\/td>\n -1-3% \u6027\u80fd<\/td>\n<\/tr>\n \n \u6545\u969c\u7387<\/td>\n \u8f83\u9ad8（\u7ea6 1-2%\/\u5e74）<\/td>\n \u6781\u4f4e（<0.1%\/\u5e74）<\/td>\n -90% \u6545\u969c\u7387<\/td>\n<\/tr>\n \n \u5b95\u673a\u6210\u672c<\/td>\n \u53ef\u80fd\u5f88\u9ad8<\/td>\n \u5927\u5e45\u964d\u4f4e<\/td>\n \u6f5c\u5728\u8282\u7701\u5de8\u5927<\/td>\n<\/tr>\n \n \u6570\u636e\u6062\u590d<\/td>\n \u590d\u6742\u4e14\u6602\u8d35<\/td>\n \u57fa\u672c\u4e0d\u9700\u8981<\/td>\n \u8282\u7701\u6062\u590d\u6210\u672c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u7ed3\u8bba：\u5bf9\u4e8e\u4f01\u4e1a\u7ea7\u5e94\u7528，ECC \u5185\u5b58\u5e26\u6765\u7684\u6570\u636e\u5b8c\u6574\u6027\u4fdd\u969c\u4ef7\u503c\u8fdc\u8d85\u8fc7\u5176\u5fae\u5c0f\u7684\u6027\u80fd\u635f\u5931\u548c\u7565\u9ad8\u7684\u786c\u4ef6\u6210\u672c\u3002\u4e00\u6b21\u7531\u5185\u5b58\u9519\u8bef\u5bfc\u81f4\u7684\u6570\u636e\u635f\u574f\u6216\u7cfb\u7edf\u5b95\u673a，\u5176\u76f4\u63a5\u548c\u95f4\u63a5\u635f\u5931\u53ef\u80fd\u8fdc\u8d85 ECC \u5185\u5b58\u7684\u989d\u5916\u6295\u8d44\u3002<\/p>\n
\u5728\u6781\u5ea6\u654f\u611f\u7684\u4f4e\u5ef6\u8fdf\u4ea4\u6613\u573a\u666f\u4e2d，\u7ba1\u7406\u5458\u53ef\u80fd\u4f1a\u6743\u8861\u662f\u5426\u5173\u95ed ECC \u4ee5\u6362\u53d6\u6781\u81f4\u7684\u901f\u5ea6，\u4f46\u8fd9\u5c5e\u4e8e\u9ad8\u98ce\u9669\u64cd\u4f5c\u3002\u5bf9\u4e8e\u7edd\u5927\u591a\u6570\u6570\u636e\u5e93\u3001\u865a\u62df\u5316\u5e73\u53f0\u548c\u79d1\u5b66\u8ba1\u7b97\u4efb\u52a1，\u6570\u636e\u5b8c\u6574\u6027\u5e26\u6765\u7684\u6536\u76ca\u8fdc\u8fdc\u8d85\u8fc7\u90a3\u5fae\u5c0f\u7684\u6027\u80fd\u4ee3\u4ef7\u3002\u56e0\u6b64，\u9664\u975e\u6709\u6781\u5176\u7279\u6b8a\u7684\u5b9e\u65f6\u6027\u8981\u6c42\u4e14\u5177\u5907\u4e0a\u5c42\u8f6f\u4ef6\u5bb9\u9519\u673a\u5236，\u5426\u5219\u59cb\u7ec8\u5efa\u8bae\u5f00\u542f ECC\u3002<\/p>\n
\u2468 \u65e5\u5e38\u7ef4\u62a4\u4e0e\u6545\u969c\u65e5\u5fd7\u5206\u6790\u65b9\u6cd5<\/h3>\n
ECC \u5185\u5b58\u7684\u4ef7\u503c\u4e0d\u4ec5\u5728\u4e8e\u5b9e\u65f6\u7ea0\u9519，\u8fd8\u5728\u4e8e\u5176\u63d0\u4f9b\u7684\u9884\u8b66\u80fd\u529b\u3002\u65e5\u5e38\u7ef4\u62a4\u4e2d，\u5b9a\u671f\u68c0\u67e5 EDAC \u65e5\u5fd7\u662f\u9884\u9632\u6027\u7ef4\u62a4\u7684\u91cd\u8981\u73af\u8282\u3002\u5728 Linux \u4e0a，\u53ef\u4ee5\u5b89\u88c5\u00a0mcelog\u00a0\u6216\u00a0rasdaemon\u00a0\u5b88\u62a4\u8fdb\u7a0b，\u5b83\u4eec\u80fd\u6301\u7eed\u76d1\u63a7\u7cfb\u7edf\u786c\u4ef6\u4e8b\u4ef6，\u5e76\u5c06\u7ea0\u6b63\u9519\u8bef\u8bb0\u5f55\u5230\u65e5\u5fd7\u6587\u4ef6\u4e2d\u3002<\/p>\n
\u5206\u6790\u65e5\u5fd7\u65f6，\u91cd\u70b9\u5173\u6ce8\u201c\u53ef\u7ea0\u6b63\u9519\u8bef\u201d（Correctable Errors）\u7684\u9891\u7387\u3002\u5076\u5c14\u51fa\u73b0\u4e00\u4e24\u6b21\u53ef\u7ea0\u6b63\u9519\u8bef\u662f\u6b63\u5e38\u7684，\u53ef\u80fd\u662f\u7531\u77ac\u65f6\u7684\u5b87\u5b99\u5c04\u7ebf\u5f15\u8d77\u3002\u4f46\u5982\u679c\u53d1\u73b0\u67d0\u6839\u5185\u5b58\u6761\u5728\u77ed\u65f6\u95f4\u5185\u9891\u7e41\u62a5\u544a\u53ef\u7ea0\u6b63\u9519\u8bef，\u4f8b\u5982\u6bcf\u5c0f\u65f6\u6570\u6b21\u6216\u5448\u4e0a\u5347\u8d8b\u52bf，\u8fd9\u901a\u5e38\u662f\u8be5\u5185\u5b58\u9897\u7c92\u5373\u5c06\u53d1\u751f\u6c38\u4e45\u6027\u635f\u574f\u7684\u524d\u5146（\u5373\u201c\u4f4d\u8870\u51cf\u201d）\u3002\u6b64\u65f6\u5e94\u5c3d\u5feb\u5b89\u6392\u505c\u673a，\u66ff\u6362\u8be5\u6761\u5185\u5b58，\u907f\u514d\u5176\u53d1\u5c55\u4e3a\u4e0d\u53ef\u7ea0\u6b63\u7684\u591a\u6bd4\u7279\u9519\u8bef\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83\u3002<\/p>\n
\u5efa\u7acb\u5b9a\u671f\u7684\u5185\u5b58\u5065\u5eb7\u68c0\u67e5\u811a\u672c，\u6bcf\u5468\u81ea\u52a8\u6293\u53d6\u5e76\u6c47\u603b ECC \u8ba1\u6570，\u901a\u8fc7\u90ae\u4ef6\u6216\u76d1\u63a7\u9762\u677f\u544a\u8b66，\u53ef\u4ee5\u5c06\u6f5c\u5728\u7684\u786c\u4ef6\u6545\u969c\u6d88\u706d\u5728\u840c\u82bd\u72b6\u6001，\u4fdd\u969c\u4e1a\u52a1\u8fde\u7eed\u6027\u3002<\/p>\n
\u2469 \u5347\u7ea7\u66ff\u6362 ECC \u5185\u5b58\u7684\u6ce8\u610f\u4e8b\u9879<\/h3>\n
\u5f53\u9700\u8981\u5bf9\u670d\u52a1\u5668\u8fdb\u884c\u5185\u5b58\u6269\u5bb9\u6216\u6545\u969c\u66ff\u6362\u65f6，\u5fc5\u987b\u9075\u5faa\u4e25\u683c\u7684\u64cd\u4f5c\u89c4\u8303\u3002\u9996\u5148，\u52a1\u5fc5\u5728\u5b8c\u5168\u65ad\u7535\u7684\u60c5\u51b5\u4e0b\u64cd\u4f5c，\u62d4\u6389\u7535\u6e90\u7ebf\u5e76\u6309\u4f4f\u5f00\u673a\u952e\u6570\u79d2\u4ee5\u91ca\u653e\u6b8b\u4f59\u7535\u8377，\u9632\u6b62\u9759\u7535\u51fb\u7a7f\u7cbe\u5bc6\u5143\u4ef6\u3002\u4f69\u6234\u9632\u9759\u7535\u624b\u73af\u662f\u6807\u51c6\u64cd\u4f5c\u6d41\u7a0b\u3002<\/p>\n
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