{"id":58529,"date":"2021-12-29T18:34:00","date_gmt":"2021-12-29T11:34:00","guid":{"rendered":"https:\/\/www.xinwengao.com\/cn\/pr\/2021122918340058529"},"modified":"2021-12-30T17:56:08","modified_gmt":"2021-12-30T09:56:08","slug":"%e8%81%9a%e7%84%a6%e9%97%aa%e5%ad%98%e6%a0%b8%e5%bf%83%e9%83%a8%e4%bb%b6%ef%bc%8c%e6%b5%aa%e6%bd%ae%e5%ad%98%e5%82%a8%e9%87%8d%e6%96%b0%e5%ae%9a%e4%b9%89ssd%e5%8f%af%e9%9d%a0%e6%80%a7","status":"publish","type":"post","link":"https:\/\/www.xinwengao.com\/cn\/pr\/2021122918340058529","title":{"rendered":"\u805a\u7126\u95ea\u5b58\u6838\u5fc3\u90e8\u4ef6\uff0c\u6d6a\u6f6e\u5b58\u50a8\u91cd\u65b0\u5b9a\u4e49SSD\u53ef\u9760\u6027"},"content":{"rendered":"

\u6d6a\u6f6eSSD\u6781\u81f4\u53ef\u9760\u6027\u80cc\u540e\u7684\u7cbe\u76ca\u7814\u53d1\u6545\u4e8b<\/span><\/p>\n

\u5317\u4eac2021\u5e7412\u670829\u65e5 \/\u7f8e\u901a\u793e\/ — \u4f01\u4e1a\u7ea7SSD\u4f5c\u4e3a\u6570\u5b57\u4fe1\u606f\u65f6\u4ee3\u7684\u4e3b\u8981\u5b58\u50a8\u4ecb\u8d28\uff0c\u6280\u672f\u6c34\u51c6\u8981\u6c42\u76f8\u5f53\u82db\u523b\uff0c\u6d6a\u6f6e\u5728\u6838\u5fc3\u90e8\u4ef6SSD\u9886\u57df\u5386\u7ecf\u591a\u5e74\u63a2\u7d22\uff0c\u7814\u53d1\u548c\u6253\u78e8\uff0c\u63a8\u51fa\u4e86NVMe SSD\u4ea7\u54c1\uff0c\u5df2\u7ecf\u5728\u4e92\u8054\u7f51\uff0c\u901a\u4fe1\uff0c\u91d1\u878d\u3001\u653f\u5e9c\u3001\u4f01\u4e1a\u7b49\u5173\u952e\u9886\u57df\u5b9e\u73b0\u89c4\u6a21\u90e8\u7f72\uff0c\u5e76\u5f97\u5230\u4e86\u5e02\u573a\u7684\u68c0\u9a8c\u548c\u8ba4\u53ef\uff0c\u6d6a\u6f6e\u81ea\u7814SSD\u9ad8\u53ef\u9760\u6027\u7684\u9ad8\u7aef\u54c1\u8d28\u662f\u79d1\u6280\u521b\u65b0\u4e0e\u5de5\u5320\u7cbe\u795e\u7684\u6781\u81f4\u8ffd\u6c42\u3002<\/p>\n

NAND Flash\u4f5c\u4e3aSSD\u7684\u5173\u952e\u6838\u5fc3\u5668\u4ef6\uff0c\u6210\u672c\u5360\u6574\u4f53\u6210\u672c\u7684\u6bd4\u4f8b\u9ad8\u8fbe80%\u4ee5\u4e0a\uff0c\u5bf9NAND\u7279\u6027\u5206\u6790\u6210\u4e3aSSD\u4ea7\u54c1\u53ef\u9760\u6027\u7684\u5173\u952e\u6838\u5fc3\u8981\u7d20\uff0c\u83b7\u53d6\u8f93\u51fa\u7cbe\u51c6\u7684NAND\u9a8c\u8bc1\u53c2\u6570\u5bf9SSD\u7684\u53ef\u9760\u6027\u548c\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002<\/p>\n

MTBF(Mean time between failures,\u5e73\u5747\u65e0\u6545\u969c\u65f6\u95f4)\u548cUBER\uff08Uncorrectable Bit Error Rate\uff0c\u4e0d\u53ef\u4fee\u590d\u7684\u9519\u8bef\u6bd4\u7279\u7387\uff09\u662fSSD\u53ef\u9760\u6027\u4e0a\u6700\u4e24\u4e2a\u91cd\u8981\u6307\u6807\uff0c\u5206\u522b\u5bf9\u5e94RDT(Reliability Demonstration Test\uff0c\u53ef\u9760\u5ea6\u9a8c\u8bc1\u6d4b\u8bd5)\u6d4b\u8bd5\u7684Quarlity Test\u548cEndurance Test\uff0cUBER\u4e3b\u8981\u9a8c\u8bc1NAND\u5bff\u547d\u548c\u7ea0\u9519\u80fd\u529b\uff0cMTBF\u4e5f\u5305\u542b\u7ea0\u9519\u80fd\u529b\u3002\u7ea0\u9519\u80fd\u529b\u9664NAND\u672c\u8eab\u8d28\u91cf\u5916\uff0c\u4ea7\u54c1\u53ef\u9760\u6027\u4e3b\u8981\u4f9d\u8d56\u4e8eNAND\u7ea0\u9519\u53c2\u6570\u7684\u51c6\u786e\u6027\uff0c\u800cNAND\u7279\u6027\u9a8c\u8bc1\u57fa\u4e8eNAND\u6cbb\u5177\u5e73\u53f0\u8f93\u51faNAND\u53c2\u6570\u4f9bFW\u56fa\u4ef6\u4f7f\u7528\uff0c\u53c2\u6570\u4e2d\u5c31\u5305\u542b\u7ea0\u9519\u53c2\u6570\uff0c\u540c\u65f6\u4e5f\u4e3aSSD\u6027\u80fd(\u4e3b\u8981\u662fQoS)\u63d0\u4f9b\u53c2\u6570\u652f\u6301\uff0c\u6bd4\u5982\u7ea0\u9519\u53c2\u6570\u7684\u6210\u529f\u7387\uff0cSuspend\u76f8\u5173\u53c2\u6570\u529f\u80fd\u7b49\u3002 <\/p>\n

\u6d6a\u6f6e\u4e3a\u83b7\u5f97\u4ea7\u54c1\u7684\u8d85\u9ad8\u53ef\u9760\u6027\uff0c\u9762\u5411SLC\/MLC\/TLC\/QLC\u7b49\u95ea\u5b58\u9897\u7c92\u81ea\u4e3b\u5f00\u53d1\u51fa\u4e86NAND Prober HX9000\u7cfb\u5217\u5206\u6790\u6cbb\u5177\uff0c\u53ef\u4ee5\u63d0\u4f9b\u4ecb\u8d28\u7279\u6027\u5206\u6790\u3001\u5bff\u547d\u68c0\u6d4b\u3001\u7a33\u5b9a\u6027\u8ffd\u8e2a\u7684NAND\u7279\u6027\u6d4b\u8bd5\u9879\u76ee\uff0c\u91c7\u7528\u4e86\u884c\u4e1a\u9886\u5148\u7684\u667a\u80fd\u9ad8\u6e29\u63a7\u5236\u5668\u548c\u81ea\u4e3b\u521b\u65b0\u7684P\/E Block\u8bfb\u5199\u7b97\u6cd5\u5e76\u884c\u6536\u96c6\u95ea\u5b58\u4ecb\u8d28\u7684\u5b9e\u65f6\u72b6\u6001\uff0c\u652f\u6301NAND\u4ecb\u8d28High Level\u6307\u4ee4\u96c6\u548cLow Level\u6307\u4ee4\u96c6\uff0c\u56fe\u5f62\u5316\u754c\u9762\uff0c\u5168\u65b9\u4f4d\u76d1\u6d4b\u4ecb\u8d28\u5b9e\u65f6\u72b6\u6001\uff0c\u901a\u8fc7\u5f00\u653e\u7684API\uff08Application Programming Interface\uff0c\u5e94\u7528\u7a0b\u5e8f\u63a5\u53e3\uff09\u63a5\u53e3\uff0c\u4e3a\u7528\u6237\u63d0\u4f9b\u81ea\u5b9a\u4e49\u7684\u4ecb\u8d28\u7279\u6027\u63a7\u5236\u3001\u76d1\u6d4b\u548c\u72b6\u6001\u6570\u636e\u6536\u96c6\u670d\u52a1\uff0c\u8bbe\u5907\u8d2d\u7f6e\u548c\u62e5\u6709\u6210\u672c\u6709\u6548\u7684\u8fdb\u884c\u4e86\u964d\u4f4e\u3002<\/p>\n

\n

\"\"<\/a>
<\/span><\/p>\n<\/p><\/div>\n

\u654f\u6377\u5f00\u653e\uff0c\u4f7f\u6d4b\u8bd5\u66f4\u5168\u66f4\u52a0\u7cbe\u51c6<\/b><\/p>\n

\u91c7\u7528\u53ef\u7075\u6d3b\u654f\u6377\u66ff\u6362\u7684NAND Socket\u69fd\uff0c\u652f\u6301\u591a\u4e2a\u54c1\u724c\u548cSLC\/MLC\/TLC\/QLC\u591a\u79cd\u7c7b\u578bNAND Flash\u5b58\u50a8\u9897\u7c92\u3002<\/p>\n

\n

\"\"<\/a>
<\/span><\/p>\n<\/p><\/div>\n

\u547d\u4ee4\u4e0e\u968f\u673a\u6570\u652f\u6301\u66f4\u7075\u6d3b\uff0c\u9488\u5bf9NAND\u4ecb\u8d28\u7279\u6027\u540c\u65f6\u652f\u6301\u9ad8\u7ea7\u6307\u4ee4\uff08High level commands\uff09\u548c\u4f4e\u7ea7\u6307\u4ee4\uff08Low level commands\uff09\uff0c\u53ef\u4ee5\u81ea\u7531\u6309\u9700\u6269\u5c55\uff0c\u52a8\u6001\u751f\u6210\u5339\u914d\u82af\u7247\u7684\u968f\u673a\u6570\uff0c\u7279\u6027\u6d4b\u8bd5\u7ed3\u679c\u66f4\u7cbe\u51c6\u3002<\/p>\n

\u7279\u6027\u6536\u96c6API\u63a5\u53e3\u66f4\u5f00\u653e\uff0c\u6839\u636e\u7279\u6027\u5206\u6790\u9700\u6c42\u5b9a\u5411\u6536\u96c6\u72b6\u6001\u6570\u636e\uff0c\u4e0a\u4f4d\u673a\u548c\u4e0b\u4f4d\u673a\u6e90\u7801\u81ea\u4e3b\u8bbe\u8ba1\u7814\u53d1\uff0c\u5168\u5f00\u653e\u7684API\u53ef\u4ee5\u7075\u6d3b\u6536\u96c6\u72b6\u6001\u6570\u636e\u548c\u53ef\u501f\u9274\u7684\u7279\u6027\u5206\u6790\u7ecf\u9a8c\u3002<\/p>\n

\u7cbe\u51c6\u6e29\u63a7\uff0c\u4fdd\u969c\u54c1\u8d28<\/b><\/p>\n

\u5e02\u9762\u4e0aNAND\u5206\u6790\u6cbb\u5177\u5747\u5b58\u5728\u4f20\u611f\u5668\u4e0eNAND\u6e29\u5ea6\u4e0d\u76f8\u7b26\u7684\u60c5\u51b5\uff0c\u5bfc\u81f4\u4e0d\u80fd\u7cbe\u51c6\u5bf9\u4ea7\u54c1\u53ef\u9760\u6027\u8fdb\u884c\u6a21\u62df\u8bc4\u4f30\u3002\u6d6a\u6f6e\u901a\u8fc7\u5efa\u7acb\u4f20\u611f\u5668\u6e29\u5ea6\u4e0eNAND\u6e29\u5ea6\u5bf9\u5e94\u8868\u548c\u52a8\u6001\u8c03\u6e29\u6210\u529f\u89e3\u51b3\u4e86\u6b64\u95ee\u9898\uff0c\u6570\u663e\u6e29\u5ea6\u63a7\u5236\u5668\u667a\u80fd\u8bbe\u5b9aNAND\u73af\u5883\u6e29\u5ea6\uff0c\u9488\u5bf9NAND\u6e29\u63a7\u7cbe\u7ec6\u5316\u9700\u6c42\u5b9a\u5236\u6e29\u5ea6\u63a7\u5236\u5668\uff0c\u5b9e\u73b0\u667a\u80fd\u8bbe\u5b9a\u3001\u5b9e\u65f6\u76d1\u63a7NAND Flash\u73af\u5883\u6e29\u5ea6\uff0c\u66f4\u7cbe\u51c6\u7684\u8bc4\u4f30SSD\u7684\u53ef\u9760\u6027\u3002<\/p>\n

\n

\"\u6570\u5b57\u663e\u793a\"<\/a>
\u6570\u5b57\u663e\u793a<\/span><\/p>\n<\/p><\/div>\n

 <\/p>\n

\n

\"\u6e29\u63a7\u82af\u7247\"<\/a>
\u6e29\u63a7\u82af\u7247<\/span><\/p>\n<\/p><\/div>\n

\u7cbe\u76ca\u6c42\u7cbe\uff0c\u53ef\u9760\u6027\u63d0\u5347<\/b>30%<\/b><\/p>\n

\u6d6a\u6f6e\u81ea\u7814SSD\u901a\u8fc7NAND\u6cbb\u5177\u83b7\u53d6\u7cbe\u51c6\u7684\u72b6\u6001\u6570\u636e\u5e76\u8fdb\u884c\u7075\u6d3b\u7684NAND\u7279\u6027\u7b97\u6cd5\u5206\u6790\uff0c\u6295\u5165\u4e0a\u5343\u5757SSD\u8fdb\u884c\u771f\u5b9e\u6d4b\u8bc4\uff0c\u5168\u9762\u7684NAND\u53c2\u6570\u638c\u63e1\uff0c\u521b\u65b0\u7684\u7279\u6027\u5206\u6790\u7b97\u6cd5\u548c\u4e30\u5bcc\u7684\u4ea7\u54c1\u5316\u7ecf\u9a8c\uff0c\u63d0\u524d\u89c4\u907f\u6574\u76d8\u7684\u8bbe\u8ba1\u98ce\u9669\uff0c\u4e0d\u65ad\u7a81\u7834\u4ea7\u54c1\u53ef\u9760\u6027\u6307\u6807\uff0c\u4f7f\u5f97\u5e73\u5747\u65e0\u6545\u969c\u65f6\u95f4MTBF\u8fbe\u5230\u4e86260\u4e07\u5c0f\u65f6\uff0c\u53ef\u9760\u6027\u76f8\u6bd4\u4e1a\u5185\u5176\u4ed6\u4ea7\u54c1\u63d0\u534730%\u3002<\/p>\n

\n

\"\"<\/a>
<\/span><\/p>\n<\/p><\/div>\n

\u6d6a\u6f6eSSD\u4ea7\u54c1\u5f00\u53d1\u6216NAND Flash\u4e3b\u63a7\u82af\u7247\u7814\u53d1\u4e2d\u901a\u8fc7\u4f7f\u7528NAND Prober\u6d4b\u8bd5\u5206\u6790\u4eea\uff0c\u63d0\u5347\u4e86\u95ea\u5b58\u4e3b\u63a7\u82af\u7247\u7684\u8bbe\u8ba1\u3001\u4f18\u5316\u4e86\u6027\u80fd\u3001\u63d0\u5347\u4e86\u4ecb\u8d28\u5bff\u547d\u7ba1\u63a7\u6548\u7387\uff0c\u6709\u6548\u63d0\u5347\u4e3b\u63a7\u82af\u7247\u7279\u6027\u3001\u4f18\u5316SSD\u6574\u76d8\u6027\u80fd\u548c\u53ef\u9760\u6027\uff0c\u540c\u65f6\u53ef\u4ee5\u7528\u4e8e\u5b58\u50a8\u4ecb\u8d28\u7684\u65b0\u7279\u6027\u548c\u65b0\u6750\u6599\u7814\u7a76\uff0c\u652f\u6491\u5bf9\u4f20\u7edf\u4ecb\u8d28\u65b0\u7279\u6027\u548c\u65b0\u4ecb\u8d28\u65b0\u7279\u6027\u7684\u6d4b\u8bd5\u3001\u6536\u96c6\u548c\u5206\u6790\uff0c\u4e3a\u672a\u6765\u4ea7\u54c1\u7684\u5f00\u53d1\u63d0\u4f9b\u4e86\u91cd\u8981\u53c2\u8003\u3002<\/p>\n

\u672a\u6765\u6d6a\u6f6e\u5b58\u50a8\u5c06\u79c9\u627f\u201c\u4e91\u5b58\u667a\u7528\u8fd0\u7b79\u65b0\u6570\u636e\u201d\u7684\u5b58\u50a8\u7406\u5ff5\uff0c\u5728\u5b58\u50a8\u57fa\u7840\u9886\u57df\u4e0d\u65ad\u4e0b\u6c89\u7814\u53d1\u521b\u65b0\uff0c\u638c\u63e1\u5e95\u5c42\u786c\u4ef6\u5173\u952e\u6838\u5fc3\u6280\u672f\uff0c\u4ee5\u9886\u5148\u6280\u672f\u52a9\u529b\u5173\u952e\u884c\u4e1a\u5168\u9762\u91ca\u653e\u6570\u636e\u4ef7\u503c\uff0c\u52a0\u901f\u6570\u5b57\u5316\u8f6c\u578b\u3002<\/p>\n

<\/div>\n","protected":false},"excerpt":{"rendered":"

\u6d6a\u6f6eSSD\u6781\u81f4\u53ef\u9760\u6027\u80cc\u540e\u7684\u7cbe\u76ca\u7814\u53d1\u6545\u4e8b \u5317\u4eac2021\u5e7412\u670829\u65e5 \/\u7f8e\u901a\u793e\/ — \u4f01\u4e1a\u7ea7SSD\u4f5c\u4e3a\u6570\u5b57\u4fe1\u606f\u65f6\u4ee3\u7684\u4e3b\u8981\u5b58\u50a8\u4ecb\u8d28\uff0c\u6280\u672f\u6c34\u51c6\u8981\u6c42\u76f8\u5f53\u82db\u523b\uff0c\u6d6a\u6f6e\u5728\u6838\u5fc3\u90e8\u4ef6SSD\u9886\u57df\u5386\u7ecf\u591a\u5e74\u63a2\u7d22\uff0c\u7814\u53d1\u548c\u6253\u78e8\uff0c\u63a8\u51fa\u4e86NVMe SSD\u4ea7\u54c1\uff0c\u5df2\u7ecf\u5728\u4e92\u8054\u7f51\uff0c\u901a\u4fe1\uff0c\u91d1\u878d\u3001\u653f\u5e9c\u3001\u4f01\u4e1a\u7b49\u5173\u952e\u9886\u57df\u5b9e\u73b0\u89c4\u6a21\u90e8\u7f72\uff0c\u5e76\u5f97\u5230\u4e86\u5e02\u573a\u7684\u68c0\u9a8c\u548c\u8ba4\u53ef\uff0c\u6d6a\u6f6e\u81ea\u7814SSD\u9ad8\u53ef\u9760\u6027\u7684\u9ad8\u7aef\u54c1\u8d28\u662f\u79d1\u6280\u521b\u65b0\u4e0e\u5de5\u5320\u7cbe\u795e\u7684\u6781\u81f4\u8ffd\u6c42\u3002 NAND Flash\u4f5c\u4e3aSSD\u7684\u5173\u952e\u6838\u5fc3\u5668\u4ef6\uff0c\u6210\u672c\u5360\u6574\u4f53\u6210\u672c\u7684\u6bd4\u4f8b\u9ad8\u8fbe80%\u4ee5\u4e0a\uff0c\u5bf9NAND\u7279\u6027\u5206\u6790\u6210\u4e3aSSD\u4ea7\u54c1\u53ef\u9760\u6027\u7684\u5173\u952e\u6838\u5fc3\u8981\u7d20\uff0c\u83b7\u53d6\u8f93\u51fa\u7cbe\u51c6\u7684NAND\u9a8c\u8bc1\u53c2\u6570\u5bf9SSD\u7684\u53ef\u9760\u6027\u548c\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002 MTBF(Mean time between failures,\u5e73\u5747\u65e0\u6545\u969c\u65f6\u95f4)\u548cUBER\uff08Uncorrectable Bit Error Rate\uff0c\u4e0d\u53ef\u4fee\u590d\u7684\u9519\u8bef\u6bd4\u7279\u7387\uff09\u662fSSD\u53ef\u9760\u6027\u4e0a\u6700\u4e24\u4e2a\u91cd\u8981\u6307\u6807\uff0c\u5206\u522b\u5bf9\u5e94RDT(Reliability Demonstration Test\uff0c\u53ef\u9760\u5ea6\u9a8c\u8bc1\u6d4b\u8bd5)\u6d4b\u8bd5\u7684Quarlity Test\u548cEndurance 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