{"id":73512,"date":"2021-03-31T19:28:00","date_gmt":"2021-03-31T11:28:00","guid":{"rendered":"http:\/\/www.homejamesfinance.com\/?p=73512"},"modified":"2021-03-31T19:28:55","modified_gmt":"2021-03-31T11:28:55","slug":"%e5%a6%82%e4%bd%95%e7%94%a8%e5%a5%bd%e4%bd%a0%e7%9a%84ssd","status":"publish","type":"post","link":"https:\/\/www.homejamesfinance.com\/p\/73512.html","title":{"rendered":"\u5982\u4f55\u7528\u597d\u4f60\u7684SSD"},"content":{"rendered":"\n<p>\u5728\u8fc7\u53bb\u5341\u51e0\u5e74\u4e2d\uff0cCPU\u7684\u6027\u80fd\u63d0\u5347\u4e86100\u500d\u4ee5\u4e0a\uff0c\u800c\u4f20\u7edf\u7684HDD\u786c\u76d8\uff08Hard Disk Drive\uff09\u624d\u63d0\u5347\u4e861.5\u500d\u4e0d\u5230\uff0c\u8fd9\u79cd\u4e0d\u5747\u8861\u7684\u8ba1\u7b97\u5b58\u50a8\u6280\u672f\u53d1\u5c55\uff0c\u6781\u5927\u5730\u5f71\u54cd\u4e86IT\u7cfb\u7edf\u6574\u4f53\u6027\u80fd\u7684\u63d0\u5347\u3002\u76f4\u5230\u56fa\u6001\u786c\u76d8SSD\uff08Solid State Drive\uff09\u88ab\u53d1\u660e\u51fa\u6765\uff0c\u5176\u6027\u80fd\u6709\u4e86\u98a0\u8986\u6027\u7684\u63d0\u5347\uff0c\u624d\u89e3\u51b3\u4e86\u5b58\u50a8\u7684\u74f6\u9888\u95ee\u9898\u3002\u7136\u800c\uff0cSSD\u4f5c\u4e3a\u4e00\u9879\u65b0\u6280\u672f\uff0c\u4ecd\u7136\u5b58\u5728\u4e00\u4e9b\u56fa\u6709\u7684\u7f3a\u9677\uff0c\u5982\u4f55\u5145\u5206\u53d1\u6325SSD\u7684\u4f18\u52bf\uff0c\u662f\u4e00\u4e2a\u503c\u5f97\u7814\u7a76\u7684\u65b9\u5411\u3002\u4e0b\u9762\u4ece\u6027\u80fd\u3001\u6301\u4e45\u6027\u3001\u4f7f\u7528\u6210\u672c\u7b49\u65b9\u9762\u5bf9\u6b64\u8bdd\u9898\u505a\u4e00\u4e9b\u63a2\u8ba8\u3002<\/p>\n\n\n\n<p><strong>\u4e00\u3001\u5982\u4f55\u5145\u5206\u53d1\u6325\u51fa<\/strong><strong>SSD<\/strong><strong>\u7684\u6027\u80fd<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\u9996\u5148\uff0c\u6211\u4eec\u6765\u770b\u770b\u4f20\u7edfHDD\u7684\u4f7f\u7528\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>SAS\u3001SATA\u63a5\u53e3\uff1b<\/li><li>\u7684IO\u8c03\u5ea6\u9700\u8981\u7528\u7535\u68af\u7b97\u6cd5\u6765\u5bf9IO\u8fdb\u884c\u91cd\u6392\u4ee5\u4f18\u5316\u78c1\u5934\u7684\u8def\u5f84\uff1b<\/li><li>Raid\u5361\u505a\u6570\u636e\u4fdd\u62a4\u3002<\/li><\/ol>\n\n\n\n<p>\u5728\u63a5\u53e3\u534f\u8bae\u65b9\u9762\uff0c\u968f\u7740SSD\u7684\u53d1\u660e\uff0cNVMe\u534f\u8bae\u5e94\u8fd0\u800c\u751f\u3002\u76f8\u8f83\u4e8eSAS\u3001SATA\u7684\u5355\u961f\u5217\u673a\u5236\uff0cNVMe\u6700\u591a\u53ef\u4ee5\u670965535\u4e2a\u961f\u5217\uff0c\u5e76\u4e14\u76f4\u63a5\u91c7\u7528PCIe\u63a5\u53e3\uff0c\u6d88\u9664\u4e86\u94fe\u8def\u548c\u534f\u8bae\u74f6\u9888\u3002<\/p>\n\n\n\n<p>\u5728\u63a7\u5236\u5361\u751f\u6001\u65b9\u9762\uff0c\u5404\u5927\u5382\u5546\u4e5f\u7eb7\u7eb7\u63a8\u51fa\u81ea\u5df1\u7684NVMe\u63a7\u5236\u5361\u82af\u7247\uff0c\u6709PMC\uff08\u73b0\u5c5e\u4e8eMicrochip\uff09\u3001LSI\u3001Marvel\u3001Intel\u3001\u6167\u8363\u4ee5\u53ca\u56fd\u5185\u7684\u5f97\u745e\u7b49\uff0c\u6280\u672f\u4e5f\u5df2\u7ecf\u975e\u5e38\u6210\u719f\u3002<\/p>\n\n\n\n<p>\u5728Linux \u9a71\u52a8\u548cIO\u534f\u8bae\u6808\u65b9\u9762\uff0c\u4e5f\u505a\u4e86\u76f8\u5e94\u7684\u4f18\u5316\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff0cNVMe\u9a71\u52a8\u53ef\u4ee5\u76f4\u63a5\u7ed5\u8fc7\u90a3\u4e9b\u4f20\u7edf\u7684\u3001\u4e13\u4e3aHDD\u8bbe\u8ba1\u7684\u8c03\u5ea6\u5c42\uff0c\u5927\u5927\u7f29\u77ed\u4e86\u5904\u7406\u8def\u5f84\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"395\" height=\"285\" src=\"https:\/\/pic.doit.com.cn\/2021\/03\/image-22.png\" alt=\"\" class=\"wp-image-73513\" srcset=\"https:\/\/pic.doit.com.cn\/2021\/03\/image-22.png 395w, https:\/\/pic.doit.com.cn\/2021\/03\/image-22.png?x-oss-process=image%2Fquality,q_50%2Fresize,m_fill,w_300,h_216 300w\" sizes=\"(max-width: 395px) 100vw, 395px\" \/><\/figure><\/div>\n\n\n\n<p>\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u4e3a\u4e86\u5145\u5206\u53d1\u6325SSD\u7684\u6027\u80fd\uff0c\u4e0a\u9762\u63d0\u5230\u7684\u4e09\u4e2a\u4f20\u7edfHDD\u7684\u95ee\u9898\u4e2d\u524d\u4e24\u4e2a\u5df2\u7ecf\u5f97\u5230\u4e86\u89e3\u51b3\uff0c\u7136\u800c\u5728\u4f01\u4e1a\u7ea7\u5e02\u573a\u4e0a\uff0c\u57fa\u4e8eNVMe\u7684Raid\u59cb\u7ec8\u6ca1\u6709\u592a\u597d\u7684\u65b9\u6848\u3002\u4f20\u7edf\u4f01\u4e1a\u6700\u5e7f\u6cdb\u4f7f\u7528\u7684Raid5\/Raid6\u6570\u636e\u4fdd\u62a4\u673a\u5236\uff08N+1,\nN+2\uff09\uff0c\u901a\u5e38\u662f\u628a\u6570\u636e\u6761\u5e26\u5316\u5206\u7247\uff0c\u7136\u540e\u8ba1\u7b97\u51fa\u5197\u4f59\u7684Parity Code\uff08\u5947\u5076\u6821\u9a8c\u7801\uff09\uff0c\u5c06\u6570\u636e\u5b58\u653e\u5230\u591a\u5757\u786c\u76d8\uff0c\u5199\u5165\u65b0\u6570\u636e\u901a\u5e38\u662f\u4e00\u79cd\u201c\u8bfb\u6539\u5199\u201d\u7684\u673a\u5236\u3002\u8fd9\u79cd\u673a\u5236\u672c\u8eab\u5c31\u6210\u4e3a\u4e86\u6027\u80fd\u74f6\u9888\uff0c\u5e76\u4e14\u201c\u8bfb\u6539\u5199\u201d\u5bf9SSD\u7684\u4f7f\u7528\u5bff\u547d\u6709\u5f88\u5927\u7684\u635f\u8017\u3002\u53e6\u5916\uff0c\u56e0\u4e3aNVMe\u534f\u8bae\u628a\u63a7\u5236\u5361\u653e\u5230\u4e86NVMe\u76d8\u7684\u5185\u90e8\uff0cIO\u90fd\u7531NVMe\u76d8\u5185\u90e8\u7684DMA\u6a21\u5757\u6765\u5b8c\u6210\uff0c\u8fd9\u5c31\u7ed9\u57fa\u4e8eNVMe\u7684Raid\u5361\u8bbe\u8ba1\u5e26\u6765\u4e86\u66f4\u5927\u7684\u56f0\u96be\u3002\u76ee\u524d\u5e02\u573a\u4e0a\u8fd9\u7c7bRaid\u63a7\u5236\u5361\u53ef\u7528\u65b9\u6848\u4e5f\u5f88\u5c11\uff0c\u5e76\u4e14\u6027\u80fd\u4e0a\u4e5f\u65e0\u6cd5\u53d1\u6325\u51faNVMe\u7684\u4f18\u52bf\uff0c\u56e0\u6b64\u6ca1\u80fd\u88ab\u5e7f\u6cdb\u4f7f\u7528\u3002<\/p>\n\n\n\n<p>\u57fa\u4e8e\u76ee\u524d\u8fd9\u79cd\u72b6\u51b5\uff0c\u5f88\u591a\u4f01\u4e1a\u7ea7\u5b58\u50a8\u65b9\u6848\u4ecd\u7136\u5728\u4f7f\u7528SAS\/SATA\u7684SSD\u52a0\u4f20\u7edf\u7684Raid\u5361\uff0c\u8fd9\u79cd\u65b9\u5f0f\u53c8\u4f1a\u51fa\u73b0\u524d\u9762\u5df2\u7ecf\u89e3\u51b3\u7684\u4e24\u4e2a\u95ee\u9898\uff0cSSD\u7684\u6027\u80fd\u5f97\u4e0d\u5230\u5145\u5206\u53d1\u6325\u3002<\/p>\n\n\n\n<p>\u7136\u800c\uff0c\u8fd9\u6837\u7684\u60c5\u51b5\u4e5f\u5728\u53d1\u751f\u6539\u53d8\uff0c\u7531Lightbits Labs\u53d1\u660e\u7684NVMe over TCP\uff08NVMe\/TCP\uff09\u5b58\u50a8\u96c6\u7fa4\u89e3\u51b3\u65b9\u6848\u5c31\u5bf9\u8fd9\u4e2a\u95ee\u9898\u505a\u4e86\u5f88\u597d\u7684\u5904\u7406\u3002\u8be5\u89e3\u51b3\u65b9\u6848\u901a\u8fc7\u81ea\u4e3b\u7814\u53d1\u7684\u4e00\u5757\u6570\u636e\u52a0\u901f\u5361\uff0c\u91c7\u7528Erasure Code\uff08\u7ea0\u5220\u7801\uff09\u673a\u5236\u53ef\u4ee5\u505a\u5230\u8d85\u8fc71M IOPS\u7684\u968f\u673a\u5199\u6027\u80fd\uff0c\u5e76\u4e14\u53ef\u4ee5\u907f\u514d\u201c\u8bfb\u6539\u5199\u201d\u5e26\u6765\u7684\u4f7f\u7528\u5bff\u547d\u635f\u8017\u3002\u53e6\u5916\uff0cLightbits\u63d0\u51fa\u4e86Elastic Raid\u673a\u5236\uff0c\u8be5\u673a\u5236\u63d0\u4f9b\u5f39\u6027\u7684N+1\u4fdd\u62a4\uff08\u7c7b\u4f3c\u4e8eRaid5\uff09\uff0c\u76f8\u8f83\u4e8e\u4f20\u7edf\u7684Raid5\u9700\u8981\u70ed\u5907\u76d8\u6216\u8005\u9700\u8981\u53ca\u65f6\u66ff\u6362\u635f\u574f\u76d8\uff0c\u8be5\u673a\u5236\u5728\u4e00\u5757\u786c\u76d8\u53d1\u751f\u635f\u574f\u4e4b\u540e\u80fd\u81ea\u52a8\u5e73\u8861\u5f62\u6210\u65b0\u7684\u4fdd\u62a4\u3002\u6bd4\u5982\u4e00\u4e2a\u8282\u70b9\u5185\u539f\u5148\u670910\u5757\u76d8\uff0c\u91c7\u75289+1\u7684\u4fdd\u62a4\uff0c\u5f53\u67d0\u5757\u76d8\u635f\u574f\u540e\uff0c\u7cfb\u7edf\u4f1a\u81ea\u52a8\u5207\u6362\u62108+1\u7684\u4fdd\u62a4\u72b6\u6001\uff0c\u5e76\u4e14\u628a\u539f\u5148\u7684\u6570\u636e\u518d\u5e73\u8861\u5230\u65b0\u7684\u4fdd\u62a4\u72b6\u6001\uff0c\u4ece\u800c\u5728\u53ef\u7ef4\u62a4\u548c\u6570\u636e\u5b89\u5168\u6027\u65b9\u9762\u5b9e\u73b0\u4e86\u5927\u5e45\u63d0\u5347\u3002\u6b64\u5916\uff0c\u8be5\u6570\u636e\u52a0\u901f\u5361\u8fd8\u80fd\u505a\u5230100Gb\u7684\u7ebf\u901f\u538b\u7f29\uff0c\u663e\u8457\u63d0\u9ad8\u4e86\u53ef\u7528\u5bb9\u91cf\uff0c\u8fdb\u800c\u80fd\u5927\u5e45\u964d\u4f4e\u7cfb\u7edf\u4f7f\u7528\u6210\u672c\u3002<\/p>\n\n\n\n<p><strong>\u4e8c\u3001\u5982\u4f55\u63d0\u5347<\/strong><strong>NVMe<\/strong><strong>\u76d8\u7684\u6301\u4e45\u6027<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\u76ee\u524d\u4f7f\u7528\u6700\u5e7f\u6cdb\u7684SSD\u662f\u57fa\u4e8eNAND\u9897\u7c92\u7684\uff0c\u800cNAND\u4e00\u4e2a\u4e0e\u751f\u4ff1\u6765\u7684\u95ee\u9898\u5c31\u662f\u6301\u4e45\u6027\uff08endurance\uff09\u3002\u5e76\u4e14\u968f\u7740\u6280\u672f\u7684\u53d1\u5c55\uff0cNAND\u7684\u5bc6\u5ea6\u4e5f\u8d8a\u6765\u8d8a\u9ad8\uff0c\u6700\u65b0\u4e00\u4ee3\u5df2\u7ecf\u5230\u4e86QLC\uff084bits per Cell\uff09\uff0c\u540c\u65f6\u6bcf\u4e2aCell\u53ef\u88ab\u64e6\u5199\u7684\u6b21\u6570\u4e5f\u5728\u51cf\u5c11\uff081K P\/E Cycles\uff09\u3002\u53d1\u5c55\u8d8b\u52bf\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"445\" height=\"237\" src=\"https:\/\/pic.doit.com.cn\/2021\/03\/image-23.png\" alt=\"\" class=\"wp-image-73514\" srcset=\"https:\/\/pic.doit.com.cn\/2021\/03\/image-23.png 445w, https:\/\/pic.doit.com.cn\/2021\/03\/image-23.png?x-oss-process=image%2Fquality,q_50%2Fresize,m_fill,w_300,h_160 300w\" sizes=\"(max-width: 445px) 100vw, 445px\" \/><\/figure><\/div>\n\n\n\n<p>\u53e6\u5916\uff0c\u5bf9NAND\u7684\u4f7f\u7528\u6709\u4e00\u4e2a\u7279\u70b9\uff0c\u5c31\u662f\u53ef\u64e6\u7684\u6700\u5c0f\u5355\u4f4d\u6bd4\u8f83\u5927\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u5199\u7684\u65f6\u5019\u53ef\u4ee54KB\u4e3a\u5355\u4f4d\u5f80\u91cc\u9762\u5199\uff0c\u4f46\u662f\u64e6\u7684\u65f6\u5019\uff08\u6bd4\u5982\u4fee\u6539\u539f\u6709\u6570\u636e\uff09\u5374\u53ea\u80fd\u4ee5256KB\u4e3a\u9897\u7c92\u6765\u64cd\u4f5c\uff08\u4e0d\u540c\u7684SSD\u5927\u5c0f\u4e0d\u4e00\u6837\uff0c\u4f46\u539f\u7406\u90fd\u4e00\u6837\uff09\u3002\u8fd9\u5c31\u5bb9\u6613\u5f62\u6210\u7a7a\u6d1e\u800c\u89e6\u53d1SSD\u7684GC\uff08Garbage collection\uff09\u6570\u636e\u642c\u79fb\uff0c\u8fdb\u800c\u5bfc\u81f4\u6240\u8c13\u7684\u5199\u653e\u5927\u73b0\u8c61\uff0c\u5bf9\u76d8\u7684\u6301\u4e45\u6027\u4f1a\u4ea7\u751f\u8fdb\u4e00\u6b65\u5f71\u54cd\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"416\" height=\"230\" src=\"https:\/\/pic.doit.com.cn\/2021\/03\/image-24.png\" alt=\"\" class=\"wp-image-73515\" srcset=\"https:\/\/pic.doit.com.cn\/2021\/03\/image-24.png 416w, https:\/\/pic.doit.com.cn\/2021\/03\/image-24.png?x-oss-process=image%2Fquality,q_50%2Fresize,m_fill,w_300,h_166 300w\" sizes=\"(max-width: 416px) 100vw, 416px\" \/><\/figure><\/div>\n\n\n\n<p>\u5728\u4f01\u4e1a\u7ea7\u5b58\u50a8\u4e2d\uff0c\u901a\u5e38\u4f7f\u7528Raid5\/6\u8fd9\u79cd\u201c\u8bfb\u6539\u5199\u201d\u7684\u673a\u5236\uff0c\u4f1a\u5bf9\u76d8\u7684\u5199\u64cd\u4f5c\u6570\u91cf\u8fdb\u4e00\u6b65\u653e\u5927\uff0c\u4e00\u822c\u4f7f\u7528\u573a\u666f\u4e0b\u5927\u7ea6\u662f\u76f4\u63a5\u5199\u5165\u65b9\u5f0f\u76842\u500d\u635f\u8017\u3002\u6b64\u5916\uff0c\u5f88\u591aRaid5\u8fd8\u4f1a\u542f\u52a8Journal\u673a\u5236\uff0c\u5bf9\u76d8\u7684\u4f7f\u7528\u5bff\u547d\u4f1a\u8fdb\u4e00\u6b65\u635f\u8017\u3002<\/p>\n\n\n\n<p>\u6700\u540e\uff0c\u5bf9\u4e8e\u6700\u65b0\u7684QLC\u6765\u8bf4\uff0c\u4f7f\u7528\u4e2d\u8fd8\u9700\u8981\u8003\u8651\u53e6\u4e00\u4e2a\u56e0\u7d20\u2014\u2014Indirection Unit \uff08IU\uff09\u3002\u6bd4\u5982\u6709\u4e9bQLC\u76d8\u4f7f\u7528 16KB\u7684IU\uff0c\u5982\u679c\u8981\u5199\u5165\u8f83\u5c0f\u7684IO\uff0c\u4e5f\u4f1a\u89e6\u53d1\u5185\u90e8\u201c\u8bfb\u6539\u5199\u201d\uff0c\u5bf9\u4f7f\u7528\u5bff\u547d\u53c8\u591a\u4e00\u91cd\u635f\u4f24\u3002<\/p>\n\n\n\n<p>\u7531\u6b64\u53ef\u4ee5\u770b\u51fa\uff0c\u57fa\u4e8eNAND\u7684SSD\u8fd8\u662f\u6bd4\u8f83\u5a07\u5f31\u7684\u3002\u4e0d\u8fc7\uff0c\u53ea\u8981\u80fd\u6b63\u786e\u5730\u4f7f\u7528\uff0c\u8fd8\u662f\u53ef\u4ee5\u907f\u514d\u8fd9\u4e9b\u95ee\u9898\u3002\u6bd4\u5982\u4ee5\u67d0\u5e38\u7528\u7684QLC\u76d8\u4e3a\u4f8b\uff0c\u901a\u8fc7\u5982\u4e0b\u4e24\u7ec4\u5173\u4e8e\u6027\u80fd\u548c\u6301\u4e45\u6027\u76f8\u5173\u7684\u53c2\u6570\u53ef\u4ee5\u770b\u51fa\uff0c\u5728\u6301\u4e45\u6027\u4e0a\u987a\u5e8f\u5199\u662f\u968f\u673a\u5199\u76845\u500d\uff0c\u800c\u6027\u80fd\u66f4\u662f26\u500d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li> 0.9 DWPD, \u968f\u673a4K\u51990.18 DWPD\uff1b<\/li><li> 1600 MB\/s, \u968f\u673a4K\u519915K IOPS\uff0860MB\/s\uff09\u3002<\/li><\/ul>\n\n\n\n<p>\u901a\u8fc7\u4e0a\u9762\u7684\u5206\u6790\u53d1\u73b0\uff0c\u80fd\u628a\u76d8\u4f7f\u7528\u5728\u4e00\u4e2a\u6700\u4f73\u7684\u5de5\u4f5c\u72b6\u6001\u81f3\u5173\u91cd\u8981\u3002\u597d\u6d88\u606f\u662f\u76ee\u524d\u4e00\u4e9b\u5148\u8fdb\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u6bd4\u5982Lightbits\u7684\u5168NVMe\u96c6\u7fa4\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\u5c31\u53ef\u4ee5\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002\u8be5\u65b9\u6848\u901a\u8fc7\u628a\u968f\u673aIO\u53d8\u6210\u987a\u5e8fIO\u7684\u65b9\u5f0f\uff0c\u4ee5\u53ca\u72ec\u6709\u7684Elastic\nRaid\u6280\u672f\u907f\u514d\u4e86Raid\u201c\u8bfb\u6539\u5199\u201d\u7684\u5f0a\u7aef\uff0c\u4ece\u800c\u80fd\u5927\u5e45\u63d0\u9ad8\u76d8\u7684\u6301\u4e45\u6027\u53ca\u968f\u673a\u6027\u80fd\u3002<\/p>\n\n\n\n<p><strong>\u4e09\u3001\u5982\u4f55\u964d\u4f4e\u4f7f\u7528\u6210\u672c<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\u7531\u4e8eSSD\u76f8\u5bf9\u4e8eHDD\u800c\u8a00\u662f\u4e00\u9879\u65b0\u6280\u672f\uff0c\u518d\u52a0\u4e0a\u4ea7\u4e1a\u7684\u751f\u4ea7\u89c4\u6a21\u548c\u9700\u6c42\u91cf\u7684\u77db\u76fe\uff0c\u76ee\u524d\u4ef7\u683c\u76f8\u6bd4HDD\u4ecd\u7136\u504f\u9ad8\u3002\u90a3\u4e48\u5982\u4f55\u964d\u4f4eSSD\u4f7f\u7528\u6210\u672c\u5c31\u53d8\u5f97\u975e\u5e38\u91cd\u8981\u3002<\/p>\n\n\n\n<p>\u964d\u4f4e\u4f7f\u7528\u6210\u672c\u6700\u91cd\u8981\u7684\u4e00\u73af\u5c31\u662f\u8981\u628aSSD\u5145\u5206\u4f7f\u7528\u8d77\u6765\uff0c\u65e0\u8bba\u662f\u5bb9\u91cf\u8fd8\u662f\u6027\u80fd\u3002\u4e0d\u8fc7\u5c31\u76ee\u524d\u800c\u8a00\uff0c\u5927\u591a\u6570NVMe\u76d8\u90fd\u662f\u76f4\u63a5\u63d2\u5728\u5e94\u7528\u670d\u52a1\u5668\u4e0a\u4f7f\u7528\uff0c\u800c\u8fd9\u79cd\u65b9\u5f0f\u975e\u5e38\u5bb9\u6613\u9020\u6210\u5927\u91cf\u7684\u5bb9\u91cf\u548c\u6027\u80fd\u6d6a\u8d39\uff0c\u56e0\u4e3a\u53ea\u6709\u8fd9\u53f0\u670d\u52a1\u5668\u4e0a\u7684\u5e94\u7528\u624d\u80fd\u4f7f\u7528\u5b83\u3002\u6839\u636e\u8c03\u7814\u53d1\u73b0\uff0c\u4f7f\u7528\u8fd9\u79cdDAS\uff08Direct Attached Storage\uff0c\u76f4\u8fde\u5f0f\u5b58\u50a8\uff09\u65b9\u5f0f\uff0cSSD\u7684\u5229\u7528\u7387\u5927\u6982\u572815%-25%\u3002<\/p>\n\n\n\n<p>\u9488\u5bf9\u8fd9\u4e2a\u95ee\u9898\u6bd4\u8f83\u597d\u7684\u89e3\u51b3\u65b9\u6cd5\u662f\u8fd1\u51e0\u5e74\u6765\u5e02\u573a\u4e0a\u88ab\u5e7f\u6cdb\u63a5\u53d7\u7684\u201c\u89e3\u8026\u5408\u201d\u67b6\u6784\u3002\u89e3\u8026\u5408\u4e4b\u540e\uff0c\u628a\u6240\u6709\u7684NVMe\u76d8\u53d8\u6210\u4e00\u4e2a\u5927\u7684\u5b58\u50a8\u8d44\u6e90\u6c60\uff0c\u5e94\u7528\u670d\u52a1\u5668\u7528\u591a\u5c11\u5c31\u62ff\u591a\u5c11\uff0c\u53ea\u8981\u63a7\u5236\u603b\u6570\u91cf\u591f\u7528\u5c31\u884c\uff0c\u53ef\u4ee5\u975e\u5e38\u5bb9\u6613\u5730\u5c06\u5229\u7528\u7387\u63a8\u523080%\u3002\u53e6\u5916\uff0c\u56e0\u4e3a\u8d44\u6e90\u96c6\u4e2d\u8d77\u6765\uff0c\u53ef\u4ee5\u6709\u66f4\u591a\u7684\u624b\u6bb5\u548c\u65b9\u6cd5\u7528\u4e8e\u964d\u4f4e\u6210\u672c\uff0c\u6bd4\u5982\u538b\u7f29\u3002\u4f8b\u5982\uff0c\u5e73\u5747\u5e94\u7528\u6570\u636e\u538b\u7f29\u6bd4\u57282:1\uff0c\u5c31\u76f8\u5f53\u4e8e\u591a\u4e86\u4e00\u500d\u7684\u53ef\u7528\u5bb9\u91cf\uff0c\u4e5f\u76f8\u5f53\u4e8e\u6bcfGB\u4ef7\u683c\u964d\u4e86\u4e00\u534a\u3002\u5f53\u7136\u538b\u7f29\u672c\u8eab\u4e5f\u4f1a\u5e26\u6765\u4e00\u4e9b\u95ee\u9898\uff0c\u6bd4\u5982\u538b\u7f29\u672c\u8eab\u6bd4\u8f83\u8d39CPU\uff0c\u53e6\u5916\u5f88\u591a\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\u5728\u5f00\u542f\u538b\u7f29\u4e4b\u540e\u6027\u80fd\u5c31\u4f1a\u5927\u5927\u964d\u4f4e\u3002<\/p>\n\n\n\n<p>\u9488\u5bf9\u538b\u7f29\u65b9\u9762\u7684\u95ee\u9898\uff0cLightbits\u7684NVMe\/TCP\u96c6\u7fa4\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\u53ef\u4ee5\u901a\u8fc7\u5b58\u50a8\u52a0\u901f\u5361\u6765\u4e88\u4ee5\u89e3\u51b3\u3002\u8be5\u5361\u53ef\u4ee5\u505a\u5230100Gb\u7684\u7ebf\u901f\u538b\u7f29\u80fd\u529b\uff0c\u5e76\u4e14\u4e0d\u6d88\u8017CPU\uff0c\u4e0d\u589e\u52a0\u5ef6\u8fdf\u3002\u5229\u7528\u8fd9\u6837\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u538b\u7f29\u529f\u80fd\u51e0\u4e4e\u6ca1\u6709\u989d\u5916\u7684\u6210\u672c\u3002\u6b64\u5916\uff0c\u6b63\u5982\u524d\u9762\u5728\u4ecb\u7ecd\u63d0\u9ad8\u6301\u4e45\u6027\u65f6\u6240\u63d0\u5230\u7684\uff0cLightbits\u89e3\u51b3\u65b9\u6848\u80fd\u63d0\u9ad8\u4f7f\u7528\u5bff\u547d\u5e76\u652f\u6301\u4f7f\u7528QLC\u76d8\uff0c\u4ece\u6574\u4e2a\u4f7f\u7528\u5468\u671f\u6765\u770b\uff0c\u5728\u4f7f\u7528\u6210\u672c\u65b9\u9762\u4e5f\u4f1a\u6709\u975e\u5e38\u5927\u7684\u964d\u4f4e\u3002\u603b\u7684\u6765\u8bf4\uff0c\u901a\u8fc7\u89e3\u8026\u5408\u63d0\u9ad8\u4f7f\u7528\u6548\u7387\uff0c\u538b\u7f29\u63d0\u9ad8\u53ef\u7528\u5bb9\u91cf\uff0c\u4f18\u5316\u63d0\u9ad8\u4f7f\u7528\u5bff\u547d\u6216\u542f\u7528QLC\uff0c\u7ecf\u8fc7\u8fd9\u6837\u7684\u91cd\u91cd\u63d0\u5347\uff0cSSD\u7684\u4f7f\u7528\u6210\u672c\u53ef\u4ee5\u5f97\u5230\u6781\u5927\u7684\u63a7\u5236\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0a\u4ece\u6027\u80fd\u3001\u6301\u4e45\u6027\u3001\u4f7f\u7528\u6210\u672c\u4e09\u4e2a\u65b9\u9762\u5206\u6790\u4e86\u5982\u4f55\u7528\u597dSSD\u76d8\uff0c\u53ef\u4ee5\u770b\u5230\u8981\u7528\u597dNVMe SSD\u76d8\u8fd8\u662f\u4e0d\u5bb9\u6613\u7684\u3002\u56e0\u6b64\uff0c\u5bf9\u4e00\u822c\u7528\u6237\u800c\u8a00\uff0c\u9009\u62e9\u4e00\u4e2a\u597d\u7684\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\u5c31\u81f3\u5173\u91cd\u8981\u3002\u4e3a\u6b64\uff0c\u4ee5\u8272\u5217\u521b\u65b0\u516c\u53f8Lightbits\u4ee5\u5145\u5206\u53d1\u6325NVMe\u76d8\u7684\u6700\u5927\u4ef7\u503c\u4e3a\u4f7f\u547d\uff0c\u53d1\u660e\u4e86NVMe\/TCP\u534f\u8bae\uff0c\u5e76\u63a8\u51fa\u4e86\u65b0\u4e00\u4ee3\u7684\u5168NVMe\u96c6\u7fa4\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f7f\u7528\u8005\u8f7b\u677e\u5730\u5c06SSD\u76d8\u7528\u597d\u3002<\/p>\n\n\n\n<p> <strong>\u672c\u6587<\/strong><em><strong>\u4f5c\u8005\uff1a\u9648\u5b9a\u5b9d\uff0cLightbits Labs\u89e3\u51b3\u65b9\u6848\u67b6\u6784\u5e08<\/strong><\/em><strong> <\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u8fc7\u53bb\u5341\u51e0\u5e74\u4e2d\uff0cCPU\u7684\u6027\u80fd\u63d0\u5347\u4e86100\u500d\u4ee5\u4e0a\uff0c\u800c\u4f20\u7edf\u7684HDD\u786c\u76d8\uff08Hard Disk Drive\uff09\u624d\u63d0\u5347\u4e861.5\u500d\u4e0d\u5230\uff0c\u8fd9\u79cd\u4e0d\u5747\u8861\u7684\u8ba1\u7b97\u5b58\u50a8\u6280\u672f\u53d1\u5c55\uff0c\u6781\u5927\u5730\u5f71\u54cd\u4e86IT\u7cfb\u7edf\u6574\u4f53\u6027\u80fd\u7684\u63d0\u5347\u3002\u76f4\u5230\u56fa\u6001\u786c\u76d8SSD\uff08Solid State 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