{"id":160366,"date":"2024-05-10T06:21:00","date_gmt":"2024-05-10T13:21:00","guid":{"rendered":"https:\/\/blog.everpuredata.com\/?p=160366"},"modified":"2025-03-28T05:33:27","modified_gmt":"2025-03-28T12:33:27","slug":"the-ssd-trap-how-a-storage-solutions-reliance-on-ssds-can-impact-you-part-1-of-2","status":"publish","type":"post","link":"https:\/\/blog.everpuredata.com\/zh-hant\/perspectives\/the-ssd-trap-how-a-storage-solutions-reliance-on-ssds-can-impact-you-part-1-of-2\/","title":{"rendered":"SSD \u9677\u9631\uff1a\u5132\u5b58\u88dd\u7f6e\u5c0d SSD \u7684\u4f9d\u8cf4\u5c0d\u60a8\u6709\u4f55\u5f71\u97ff"},"content":{"rendered":"\n
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\u7e3d\u7d50<\/h3>\n\n\n\n

Some newer NVMe-based, software-defined storage (SDS) startups are leveraging commodity off-the-shelf (COTS) SSDs in their solutions. However, using COTS SSDs poses limitations for these vendors and for customers who choose these systems.<\/p>\n<\/div>\n\n\n\n

\"image_pdf\"<\/a>\"image_print\"<\/a><\/div>\n<\/div>\n\n\n\n
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\u96a8\u8457\u56db\u5c64\u5132\u5b58\u55ae\u5143 \uff08QLC\uff09 NAND \u5feb\u9583\u5a92\u9ad4\u6301\u7e8c\u64f4\u5c55\u5230\u5132\u5b58\u7cfb\u7d71\uff0c\u6211\u5011\u770b\u5230 SSD \u7684\u6210\u672c\u6548\u76ca\u6709\u6240\u63d0\u5347\uff0c\u56e0\u6b64\u50b3\u7d71 HDD \u90e8\u7f72\u91cf\u4e5f\u96a8\u4e4b\u4e0b\u964d\u3002QLC \u5a92\u4ecb\u6210\u672c\u964d\u4f4e\uff0c\u56e0\u6b64\u73fe\u5728\u6240\u6709\u5de5\u4f5c\u8ca0\u8f09\u90fd\u9069\u7528\u6240\u6709\u6548\u80fd\u5bc6\u96c6\u578b\u5de5\u4f5c\u8ca0\u8f09\uff0c\u9019\u4e9b\u512a\u52e2\u8207\u50b3\u7d71 HDD \u53d6\u4ee3\u76f8\u540c\u3002\u8207\u6b64\u540c\u6642\uff0cAI \u6a5f\u6703\u4e5f\u70ba\u5e0c\u671b\u4ee5\u71df\u904b\u9ad8\u6548\u7684\u65b9\u5f0f\u555f\u52d5\u4e26\u7372\u5229\u7684\u4f01\u696d\u5e36\u4f86\u4e86\u6025\u8feb\u6027\u3002\u00a0\u00a0<\/p>\n\n\n\n

HDD \u7684\u90a3\u9996\u6b4c\u66f2\u5df2\u7d93\u958b\u59cb\u4e86\uff0c\u4f46\u6b64\u6642\u5b89\u6392\u6e05\u9192\u662f\u5be6\u969b\u53ef\u884c\u7684\u55ce\uff1f<\/p>\n\n\n\n

\u5728\u300cHype \u4e4b\u5916\u300d\u90e8\u843d\u683c\u7cfb\u5217\u7684\u5169\u90e8\u5206\u4e2d\uff0c\u6211\u5011\u5c07\u8a0e\u8ad6\u70ba\u4f55\u4f7f\u7528\u7531\u4e00\u4e9b\u8f03\u65b0\u7684 NVMe \u578b\u8edf\u9ad4\u5b9a\u7fa9\u5132\u5b58 \uff08SDS\uff09 \u65b0\u5275\u516c\u53f8\u6240\u63d0\u51fa\u7684\u5546\u54c1\u73fe\u6210 \uff08COTS\uff09 SSD\uff0c\u662f\u5168\u5feb\u9583\u9663\u5217 \uff08AFAs\uff09 \u7684\u4e0d\u7406\u60f3\u66ff\u4ee3\u54c1\uff0c\u800c\u9019\u4e9b\u9663\u5217\u4f7f\u7528\u5c08\u9580\u6253\u9020\u7684\u5feb\u9583\u5132\u5b58\u88dd\u7f6e\u4f86\u53d6\u4ee3 HDD\u3002\u5728\u7b2c 2 \u90e8\u5206\u4e2d\uff0c\u6211\u5011\u5c07\u9032\u4e00\u6b65\u6bd4\u8f03 COTS SSD \u8207 Pure Storage\u00ae<\/sup> DirectFlash\u00ae<\/sup> \u6a21\u7d44\u3002\u00a0<\/p>\n\n\n\n

\"SSD<\/a><\/figure>\n\n\n\n

\u6c38\u7e8c\u6027\u554f\u984c\u5c07\u4f7f HDD \u53d7\u640d<\/strong><\/h2>\n\n\n\n

\u8207\u50b3\u7d71 HDD \u5132\u5b58\u7cfb\u7d71\u76f8\u6bd4\uff0c\u5feb\u9583\u5f0f\u5132\u5b58\u70ba\u6240\u6709\u5de5\u4f5c\u8ca0\u8f09\u63d0\u4f9b\u4e86\u6975\u5927\u7684\u512a\u52e2\uff1a\u512a\u7570\u7684\u6548\u80fd\u3001\u66f4\u9ad8\u7684\u53ef\u9760\u6027\u3001\u66f4\u9ad8\u7684\u5132\u5b58\u5bc6\u5ea6\u3001\u66f4\u4f4e\u7684\u8017\u96fb\u91cf\uff0c\u4ee5\u53ca\u66f4\u4f4e\u7684\u71df\u904b\u958b\u92b7\u3002\u5f9e 2012 \u5e74\u5230 2019 \u5e74\uff0cAFA \u7684\u666e\u53ca\u7387\u4e0d\u65b7\u4e0a\u5347\uff0c\u73fe\u5728\u53ef\u9a45\u52d5\u7d04 80% \u4ee5\u4e0a\u7684\u6240\u6709\u5132\u5b58\u8ca8\u4ef6\uff0c\u4ee5\u56e0\u61c9\u9ad8\u6548\u80fd\u61c9\u7528\u7a0b\u5f0f\u74b0\u5883\u3002\u00a0<\/p>\n\n\n\n

HDD \u57fa\u672c\u4e0a\u88ab\u907a\u7559\u5728\u78c1\u5875\u4e2d\u3002\u00a0<\/p>\n\n\n\n

\u539f\u56e0\u4f55\u5728\uff1f \u96a8\u8457\u8d8a\u4f86\u8d8a\u591a\u7684\u4f01\u696d\u5c07\u6c38\u7e8c\u6027\u8996\u70ba\u65b0 AFA \u63a1\u8cfc\u7684\u95dc\u9375\u6a19\u6e96\uff0c\u80fd\u6e90\u6548\u7387 \uff08TB\/\u74e6\u7279\uff09 \u548c\u5132\u5b58\u5bc6\u5ea6 \uff08TB\/U\uff09 \u7b49\u6307\u6a19\u5c0d\u65bc\u8a55\u4f30\u65b0\u7cfb\u7d71\u7684\u6210\u672c\u81f3\u95dc\u91cd\u8981\u3002SSD \u7684\u5bc6\u5ea6\u8f03\u9ad8\uff08\u76f8\u5c0d\u65bc HDD\uff09\uff0c\u6548\u80fd\u660e\u986f\u8f03\u9ad8\u662f\u95dc\u9375\u56e0\u7d20\uff0c\u53ef\u5e36\u4f86\u66f4\u9ad8\u7684\u6548\u7387\uff0c\u6700\u7d42\u964d\u4f4e\u6210\u672c\uff0c\u56e0\u70ba\u8981\u5efa\u7acb\u7cfb\u7d71\uff0c\u9700\u8981\u7684\u5a92\u9ad4\u88dd\u7f6e\uff08\u4ee5\u53ca\u63a7\u5236\u5668\u3001\u6a5f\u7bb1\u3001\u98a8\u6247\u3001\u96fb\u6e90\u3001\u7e9c\u7dda\u3001\u4ea4\u63db\u5668\u7b49\u88dd\u7f6e\u7684\u652f\u63f4\u57fa\u790e\u67b6\u69cb\uff09\u8981\u8981\u5c11\u5f97\u591a\uff0c\u624d\u80fd\u7b26\u5408\u4efb\u4f55\u7279\u5b9a\u7684\u6548\u80fd\u548c\u5bb9\u91cf\u9700\u6c42\u3002\u00a0<\/p>\n\n\n\n

\u5728 Pure\/\/Accelerate\u00ae<\/sup> 2023\uff0c\u6211\u5011\u6df1\u4fe1 2028 \u5e74\u5c07\u662f\u53bb\u5e74\u4ee5 HDD \u6253\u9020\u7684\u65b0\u5132\u5b58\u7cfb\u7d71\u5c07\u51fa\u552e\u7d66\u4f01\u696d\u4f7f\u7528\u3002\u8a72\u8072\u660e\u6240\u5c0e\u81f4\u7684 hullabaloo \u4e2d\u5931\u53bb\u4e86\u4ec0\u9ebc\uff1aPure Storage \u7684\u7a4d\u6975\u9810\u6e2c\u662f\u6839\u64da\u4f01\u696d\u4f7f\u7528\u6211\u5011\u7684<\/em>\u5feb\u9583\u88dd\u7f6e\uff0c\u800c\u975e\u5546\u54c1\u73fe\u6210\uff08COTS\uff09SSD\u3002\u6211\u5011\u770b\u597d\u5feb\u9583\uff0c\u4f46\u5373\u4f7f\u6211\u5011\u4e0d\u8a8d\u70ba COTS SSD \u5728\u9019\u5341\u5e74\u6703\u63a8\u51fa HDD\u3002\u00a0\u00a0<\/p>\n\n\n\n

\u5728 Pure Storage\uff0c\u6211\u5011\u5728\u4f01\u696d\u7d1a\u5132\u5b58\u7cfb\u7d71\u4e2d\u90e8\u7f72\u5feb\u9583\u7684\u65b9\u5f0f\uff0c\u6709\u975e\u5e38\u4e0d\u540c\u7684\u5275\u65b0\u3002\u6211\u5011\u77e5\u9053\u9019\u4e00\u9ede\uff0c\u56e0\u70ba Pure Storage DirectFlash \u6a21\u7d44 \uff08DFM\uff09 \u7d93\u8b49\u5be6\u5728\u6bcf\u9805\u6709\u610f\u7fa9\u7684\u6307\u6a19\u4e0a\u90fd\u6bd4 COTS SSD \u9ad8\u51fa\u5169\u5230\u4e94\u500d\u3002\u800c\u4e14\uff0c\u9664\u4e86\u539f\u59cb\u8cfc\u7f6e\u6210\u672c\u4e4b\u5916\uff0c\u5176\u4ed6\u6240\u6709\u6307\u6a19\u90fd\u6bd4 HDD \u5feb 10 \u500d\u3002\u00a0<\/p>\n\n\n\n

\u5229\u7528 COTS SSD \u7684\u4f9b\u61c9\u5546\u9650\u5236\u00a0<\/strong><\/h2>\n\n\n\n

\u4f7f\u7528 COTS SSD \u7684\u5ee0\u5546\u6709\u56db\u4ef6\u4e8b\u662f\u53ef\u884c\u7684\uff0c\u5373\u4f7f\u5b83\u5011\u662f\u4ee5 NVMe \u70ba\u57fa\u790e\u3002\u6211\u5011\u4f86\u770b\u770b\u5b83\u5011\uff1a<\/p>\n\n\n\n

    \n
  1. SSD \u8a2d\u8a08\u662f\u7531\u96f6\u552e\u6d88\u8cbb\u5e02\u5834\u7684\u6578\u91cf\u800c\u975e\u4f01\u696d\u9700\u6c42\u6240\u9a45\u52d5\u3002<\/li>\n\n\n\n
  2. \u4f7f\u7528 COTS SSD \u6703\u8b93 HDD \u7684\u6280\u8853\u50b5\u52d9\u6301\u7e8c\u5b58\u5728\u3002<\/li>\n\n\n\n
  3. \u5b83\u5efa\u7acb\u5c0d\u78c1\u789f\u4f9b\u61c9\u5546\u85cd\u5716\u7684\u4f9d\u8cf4\uff0c\u4ee5\u6539\u5584\u7cfb\u7d71\u6548\u7387\u3002<\/li>\n\n\n\n
  4. \u5c0e\u81f4\u5feb\u9583\u5a92\u9ad4\u4f7f\u7528\u7387\u4e0d\u7406\u60f3\u3002<\/li>\n<\/ol>\n\n\n\n

    SSD \u7684\u8a2d\u8a08\u53d7\u5230\u96f6\u552e\u6d88\u8cbb\u5e02\u5834\u7684\u6578\u91cf\u800c\u975e\u4f01\u696d\u9700\u6c42\u7684\u9a45\u52d5<\/strong><\/h2>\n\n\n\n

    \u5728\u5132\u5b58\u5a92\u9ad4\u7684\u4e16\u754c\u4e2d\uff0c\u88fd\u9020\u6210\u672c\u6548\u7387\u8207\u751f\u7522\u91cf\u76f4\u63a5\u76f8\u95dc\u3002\u6d88\u8cbb\u8005\uff08PC \u548c\u884c\u52d5\uff09\uff0c\u800c\u975e\u4f01\u696d\uff0cSSD \u7d44\u6210\u4e86\u5927\u91cf\u5e02\u5834\u3002\u4e8b\u5be6\u4e0a\uff0c\u4f01\u696d\u7d1a SSD \u5927\u7d04\u50c5\u4f54 SSD \u6574\u9ad4\u5e02\u5834\u7684 15%\u3002\u5927\u91cf\u4f7f\u7528\u4e4b\u5f8c\uff0cCOTS SSD \u6280\u8853\u7684\u95dc\u9375\u5275\u65b0\u662f\u7531\u6d88\u8cbb\u8005\u5e02\u5834\u6240\u9a45\u52d5\uff0c\u6d88\u8cbb\u8005\u5e02\u5834\u91cd\u8996\u7684\u662f\u4f4e\u6210\u672c\u548c\u66f4\u4f4e\u5bb9\u91cf\uff0c\u800c\u975e\u4f01\u696d\u9700\u6c42\u3002\u76f8\u53cd\u5730\uff0c\u4f01\u696d\u91cd\u8996\u6548\u80fd\u3001\u8010\u4e45\u5ea6\u3001\u53ef\u9760\u6027\u548c\u8cc7\u6599\u5b8c\u6574\u6027\uff0c\u6240\u6709\u9700\u8981\u6df1\u5ea6\u5de5\u7a0b\u7684\u7279\u6027\u90fd\u8d85\u8d8a\u6838\u5fc3\u6d88\u8cbb\u7d1a SSD\u3002\u9019\u7a2e\u4e8c\u5206\u6cd5\u7e7c\u7e8c\u963b\u7919 COTS SSD \u53ca\u5176\u61c9\u7528\u5230\u4f01\u696d\u5e02\u5834\u7684\u5275\u65b0\u9031\u671f\u3002\u00a0\u00a0<\/p>\n\n\n\n\n\n

    \u4f7f\u7528 COTS SSD \u80fd\u6301\u7e8c\u8655\u7406 HDD \u7684\u6280\u8853\u50b5\u52d9<\/strong><\/h2>\n\n\n\n

    SSD \u7684\u8a2d\u8a08\u53ef\u8b93 SSD \u8f15\u9b06\u63d2\u5165\u5c08\u70ba HDD \u8a2d\u8a08\u7684\u5132\u5b58\u7cfb\u7d71\u3002\u5177\u9ad4\u800c\u8a00\uff0cCOTS SSD \u4e3b\u8981\u8a2d\u8a08\u7528\u65bc\u88dd\u5165 2.5 \u540b\u5c0f\u9ad4\u7a4d \uff08SFF\uff09 \u786c\u789f\u6a5f\u6bbc\u3002\u5927\u591a\u6578\u4f01\u696d\u7684 AFA \u90fd\u662f\u5c08\u70ba\u4f7f\u7528\u9019\u4e9b COTS SSD \u800c\u958b\u767c\u3002\u4f7f\u7528\u5fc5\u9808\u5177\u5099 2.5 \u540b SFF \u5c01\u88dd\u7684\u88dd\u7f6e\u7684\u4f01\u696d AFA\uff0c\u5176\u589e\u52a0\u5bc6\u5ea6\u3001\u63d0\u4f9b\u8f03\u4f4e\u74e6\u7279\/TB\uff0c\u4ee5\u53ca\u6700\u4f73\u5316\u4f7f\u7528\u5feb\u9583\u5a92\u9ad4\u7684\u80fd\u529b\u53d7\u5230\u9650\u5236\u3002\u00a0<\/p>\n\n\n\n

    \u9019\u4e9b\u9650\u5236\u662f\u4ec0\u9ebc\uff1f COTS SSD \u5305\u542b\u5167\u90e8\u63a7\u5236\u5668\u3001\u5feb\u53d6\u7528 DRAM\uff0c\u6709\u52a9\u65bc\u63d0\u5347\u6548\u80fd\uff0c\u4ee5\u53ca\u5feb\u9583\u5a92\u9ad4\u672c\u8eab\u3002\u5c31\u67b6\u69cb\u800c\u8a00\uff0cCOTS SSD \u6bcf 1TB \u7684\u5feb\u9583\u8a18\u61b6\u9ad4\u5bb9\u91cf\u9700\u8981 1GB DRAM\uff0c\u4e3b\u8981\u662f\u70ba\u4e86\u9a45\u52d5\u5feb\u9583\u8a18\u61b6\u9ad4\u8f49\u63db\u5c64 \uff08FTL\uff09\u3002 1TB \u5efa\u7acb\u66f4\u5927\u5bb9\u91cf\u7684 SSD \u610f\u5473\u8457\u60a8\u5fc5\u9808\u70ba\u63a7\u5236\u5668\u3001DRAM \u548c\u5feb\u9583\u5a92\u9ad4\u627e\u5230\u88dd\u7f6e\u5167\u7684\u7a7a\u9593\uff0c\u4e26\u51b7\u537b\u88dd\u7f6e\u3002\u8981\u505a\u5230\u9019\u4e00\u9ede\uff0c\u4e26\u7dad\u6301\u5728 2.5 \u540b\u5305\u88dd\u7684\u9650\u5236\u7bc4\u570d\u5167\uff0c\u540c\u6642\u63d0\u9ad8\u5bc6\u5ea6\uff0c\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u56f0\u96e3\u3002<\/p>\n\n\n\n

    \u9996\u5148\uff0c\u6211\u5011\u4f86\u770b\u770b\u63a7\u5236\u5668\u53ca\u5176\u7522\u751f\u7684\u97cc\u9ad4\u9700\u6c42\u3002SSD \u672c\u8eab\u5177\u6709\u5d4c\u5165\u5f0f\u63a7\u5236\u5668\uff0c\u53ef\u8655\u7406\u908f\u8f2f\u5340\u584a\u5b9a\u5740\u3001\u53ef\u7528\u7a7a\u9593\u7ba1\u7406\u3001\u80cc\u666f\u7dad\u8b77\u5de5\u4f5c\uff0c\u4ee5\u53ca FTL\u3002\u5b83\u5011\u4e5f\u5305\u542b\u5d4c\u5165\u5f0f NAND \u5feb\u9583\u8a18\u61b6\u9ad4\u63a7\u5236\u5668\uff0c\u8ca0\u8cac\u8655\u7406 NAND \u7684\u76f4\u63a5\u8a18\u61b6\u9ad4\u5b58\u53d6\u3002\u9019\u4e9b\u63a7\u5236\u5668\u90fd\u6709\u97cc\u9ad4\uff0c\u6bcf\u500b\u4f01\u696d\u7d1a\u5132\u5b58\u7cfb\u7d71\u90fd\u53ef\u4ee5\u8f15\u9b06\u64c1\u6709\u6578\u767e\u500b SSD\uff0c\u56e0\u6b64\u6709\u8a31\u591a\u97cc\u9ad4\u3002\u97cc\u9ad4\u662f AFA \u4e2d\u6545\u969c\u7684\u5169\u5927\u539f\u56e0\u4e4b\u4e00\uff08\u6700\u5e38\u898b\u7684\u662f\u88dd\u7f6e\u6545\u969c\uff09\u3002\u9019\u6a23\u7684\u97cc\u9ad4\u8907\u96dc\u6027\u8ff7\u5bae\u5e36\u4f86\u4e86\u53ef\u9760\u6027\u7684\u98a8\u96aa\u3002<\/p>\n\n\n\n

    \u5982\u679c\u60a8\u66fe\u60f3\u904e\u70ba\u4f55\u5927\u591a\u6578\u7cfb\u7d71\u4f9b\u61c9\u5546\u4e0d\u5efa\u8b70\u5728\u7dda\u4e0a\u5347\u7d1a SSD \u7d1a\u97cc\u9ad4\uff0c\u90a3\u662f\u56e0\u70ba\u6709\u9451\u65bc\u97cc\u9ad4\u8907\u96dc\u6027\u7684\u76f8\u95dc\u98a8\u96aa\u3002\u6700\u7d42\u7d50\u679c\u662f\uff0c\u4f01\u696d\u751a\u81f3\u5728\u7cfb\u7d71\u7684\u4f7f\u7528\u58fd\u547d\u671f\u9593\uff0c\u5617\u8a66\u9032\u884c\u78c1\u789f\u97cc\u9ad4\u5347\u7d1a\u662f\u5f88\u7f55\u898b\u7684\uff0c\u5f9e\u800c\u6709\u6548\u5730\u5c07\u7cfb\u7d71\u6062\u5fa9\u70ba\u4f7f\u7528\u539f\u672c\u96a8\u7cfb\u7d71\u51fa\u8ca8\u7684\u8f03\u820a\u3001\u6548\u7387\u8f03\u4f4e\u7684\u78c1\u789f\u97cc\u9ad4\u3002\u5728\u7cfb\u7d71\u7684\u4f7f\u7528\u5e74\u9650\u5167\u5347\u7d1a\u97cc\u9ad4\uff0c\u4ee5\u6539\u5584\u6548\u80fd\u3001\u5bb9\u91cf\u5229\u7528\u7387\u3001\u8010\u4e45\u6027\u3001\u80fd\u6e90\u6548\u7387\u548c\u5176\u4ed6\u6307\u6a19\u662f\u975e\u5e38\u597d\u4e8b\uff0c\u4f46\u5728\u4f7f\u7528 COTS SSD \u7684\u7cfb\u7d71\u4e0a\u5247\u5f88\u5c11\u767c\u751f\uff0c\u9664\u975e\u767c\u751f\u67d0\u7a2e\u8cc7\u6599\u5b8c\u6574\u6027\u554f\u984c\u3002<\/p>\n\n\n\n

    \u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u4f86\u770b\u770b DRAM\u3002DRAM \u6bd4 NAND \u5feb\u9583\u5a92\u9ad4\u66f4\u6602\u8cb4\uff0c\u76f8\u8f03\u65bc\u5feb\u9583\u5a92\u9ad4\u672c\u8eab\u6d88\u8017\u4e86\u5927\u91cf\u96fb\u529b\uff0c\u4e26\u4f54\u7528\u4e86\u88dd\u7f6e\u4e2d\u4e0d\u76f4\u63a5\u5f71\u97ff\u5176\u53ef\u7528\u5bb9\u91cf\u7684\u7a7a\u9593\u3002\u5927\u5bb9\u91cf SSD \u6240\u9700\u7684 DRAM \u6578\u91cf\uff0c\u662f\u60a8\u9700\u8981\u7b26\u5408 2.5 \u540b\u898f\u683c\u5c3a\u5bf8\u7684\u9650\u5236\u56e0\u7d20\u3002\u800c\u5728\u64c1\u6709\u6578\u767e\u500b SSD \u7684\u7cfb\u7d71\u4e2d\uff0cDRAM \u4e5f\u975e\u5e38\u9f90\u5927\uff0c\u6240\u6709\u9019\u4e9b\u90fd\u6bd4 NAND \u5feb\u9583\u5a92\u9ad4\u672c\u8eab\u5728\u6bcf GB \u7684\u57fa\u790e\u4e0a\u6d88\u8017\u66f4\u591a\u80fd\u6e90\u3002DRAM \u4e5f\u6703\u767c\u751f\u6545\u969c\uff0c\u5f71\u97ff\u88dd\u7f6e\u7684\u53ef\u9760\u6027\u3002\u9700\u8981\u66f4\u591a DRAM \u7684\u5927\u578b SSD \u589e\u52a0\u4e86 DRAM \u53ef\u9760\u6027\u7684\u7591\u616e\u3002\u00a0\u00a0<\/p>\n\n\n\n

    \u96d6\u7136\u4f01\u696d\u548c\u8cc7\u6599\u4e2d\u5fc3\u6a19\u6e96\u898f\u683c \uff08EDSFF\uff09 \u7684\u65b0\u78c1\u789f\u5c01\u88dd\u65b9\u6cd5\u5df2\u7d93\u51fa\u73fe\uff0c\u4f46\u5132\u5b58\u5bb9\u91cf\u537b\u7565\u70ba\u5bc6\u96c6\uff0c\u4f46\u5b83\u4ecd\u53d7\u5230\u76f8\u540c\u7684 pesky \u201cHDD packaging\u201d \u56e0\u7d20\u7684\u9650\u5236\uff0c\u76ee\u524d\u9762\u81e8\u7684\u6311\u6230\u662f\u5bb9\u91cf\u8d85\u904e 30.72TB\uff0c\u540c\u6642\u7dad\u6301\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

    \u4f46 NVMe \u4e26\u975e\u5c08\u70ba\u5feb\u9583\u88dd\u7f6e\u958b\u767c\uff1f \u662f\u7684\uff0c\u4f46\u5b83\u4e3b\u8981\u662f\u70ba\u4e86\u52a0\u901f\u5ef6\u9072\u548c\u589e\u52a0\u5feb\u9583\u7cfb\u7d71\u7684\u983b\u5bec\u800c\u8a2d\u8a08\u3002\u5728\u9019\u4e9b\u6307\u6a19\u4e0a\uff0c\u660e\u986f\u8868\u73fe\u512a\u65bc SAS\uff0c\u4f46\u8207 COTS SSD \u642d\u914d\u4f7f\u7528\u6642\uff0c\u5b83\u5c0d\u8010\u4e45\u5ea6\u3001\u53ef\u9760\u6027\u3001\u5bb9\u91cf\u5229\u7528\u7387\u6216\u80fd\u6e90\u6548\u7387\u7684\u5f71\u97ff\u537b\u9060\u9060\u8f03\u4f4e\uff0c\u800c COTS SSD \u4ecd\u7531\u7368\u7acb\u904b\u4f5c\u7684\u63a7\u5236\u5668\u6240\u7ba1\u7406\u3002\u00a0<\/p>\n\n\n\n

    \u4f9d\u9760\u78c1\u789f\u4f9b\u61c9\u5546\u7684\u85cd\u5716\u4f86\u63d0\u9ad8\u6548\u7387<\/strong><\/h2>\n\n\n\n

    \u4ee5 COTS SSD \u70ba\u57fa\u790e\u7684\u5132\u5b58\u8a2d\u5099\u67b6\u69cb\uff0c\u4ee3\u8868\u5132\u5b58\u7cfb\u7d71\u5ee0\u5546\u4ef0\u8cf4\u78c1\u789f\u5ee0\u5546\u7684 SSD \u85cd\u5716\u4f86\u6539\u5584\u80fd\u6e90\u6548\u7387\u548c\u5132\u5b58\u5bc6\u5ea6\u3002\u4e00\u958b\u59cb\u807d\u8d77\u4f86\u53ef\u80fd\u4e0d\u932f\uff0c\u5a92\u9ad4\u4f9b\u61c9\u5546\u53ef\u4ee5\u5c08\u6ce8\u65bc\u88fd\u9020\u201c\u6700\u597d\u7684\u201d SSD\uff0c\u800c\u5132\u5b58\u88dd\u7f6e\u4f9b\u61c9\u5546\u5728\u7cfb\u7d71\u4e2d\u4f7f\u7528 COTS SSD \u53ef\u4ee5\u5c08\u6ce8\u65bc\u88fd\u9020\u6700\u597d\u7684\u7cfb\u7d71\uff0c\u5c0d\u5427\uff1f \u8b93\u6211\u5011\u4ed4\u7d30\u770b\u770b\u3002\u00a0<\/p>\n\n\n\n

    \u5982\u4eca\uff0c\u6709 15.36TB SSD \u7684\u5bb9\u91cf\u53ef\u7528\uff0c\u6709 30.72TB SSD \u7684\u5bb9\u91cf\u53ef\u7528\uff08\u4f46\u5c1a\u672a\u6709\u5bb9\u91cf\u53ef\u7528\uff0c\u56e0\u6b64\u50f9\u683c\u4ecd\u76f8\u5c0d\u8f03\u9ad8\uff09\uff0c\u4e14\u81f3\u5c11\u6709\u4e00\u500b\u78c1\u789f\u4f9b\u61c9\u5546\u7684\u50f9\u76ee\u8868\u4e0a\u6709 61.44TB SSD\uff08\u96d6\u7136\u53ef\u7528\u6027\u4f3c\u4e4e\u6709\u9650\uff0c\u4e14\u50f9\u683c\u4e5f\u5f88\u9ad8\uff09\u3002\u5728\u5e02\u5834\u5c64\u9762\uff0c\u5c0d\u65bc 30.72TB SSD \u662f\u5426\u80fd\u9054\u6210\u5927\u91cf\u51fa\u8ca8\u76f8\u95dc\u7684\u50f9\u683c\u4e0b\u8dcc\u554f\u984c\u3002\u9084\u6709\u66f4\u591a\u554f\u984c\u662f\u95dc\u65bc 61.44TB \u88dd\u7f6e\u662f\u5426\u80fd\u9054\u6210\u9019\u500b\u964d\u50f9\u76ee\u6a19\u3002\u7121\u5eb8\u7f6e\u7591\uff0c\u66f4\u5927\u7684\u5bb9\u91cf\u5feb\u9583\u88dd\u7f6e\u5728\u5132\u5b58\u5e73\u53f0\u7684\u80fd\u6e90\u6548\u7387\u65b9\u9762\u6709\u5f88\u5927\u7684\u5dee\u7570\uff0c\u56e0\u70ba\u5b83\u5011\u5728\u6bcf 1TB \u7684\u57fa\u790e\u4e0a\u80fd\u964d\u4f4e\u529f\u8017\u548c\u6a5f\u67b6\u7a7a\u9593\u6d88\u8017\uff0c\u4e26\u6709\u6a5f\u6703\u8cfc\u8cb7\u8f03\u5c11\u7684\u88dd\u7f6e\uff0c\u4ee5\u5be6\u73fe\u7cfb\u7d71\u5c64\u7d1a\u7684\u76ee\u6a19\u6548\u80fd\u548c\u5bb9\u91cf\u76ee\u6a19\u3002\u7406\u8ad6\u4e0a\uff0c\u9019\u4e5f\u63d0\u9ad8\u4e86\u53ef\u9760\u6027\uff0c\u56e0\u70ba\u88dd\u7f6e\u8f03\u5c11\u7684\u7cfb\u7d71\u4e5f\u9700\u8981\u5927\u5e45\u6e1b\u5c11\u652f\u63f4\u57fa\u790e\u67b6\u69cb\uff08\u63a7\u5236\u5668\u3001\u6a5f\u6bbc\u3001\u98a8\u6247\u3001\u96fb\u6e90\u4f9b\u61c9\u5668\u3001\u7e9c\u7dda\u3001\u4ea4\u63db\u5668\u7b49\uff09\u3002\u00a0<\/p>\n\n\n\n

    \u7136\u800c\uff0c\u6253\u9020\u66f4\u5927\u5bb9\u91cf\u7684 SSD \u4e0d\u50c5\u53ea\u662f\u5c07\u66f4\u591a\u5feb\u9583\u5a92\u9ad4\u5b89\u88dd\u5230\u88dd\u7f6e\u4e2d\u800c\u5df2\u3002\u8996\u898f\u683c\u800c\u5b9a\uff0c\u60a8\u5fc5\u9808\u5c07\u63a7\u5236\u5668\u3001DRAM\uff08\u6bcf TB 1GB\uff09\u548c\u5feb\u9583\u5a92\u9ad4\u88dd\u5165\u5957\u4ef6\u4e2d\u3002\u5047\u8a2d\u5ee0\u5546\u53ef\u4ee5\u9054\u5230\u9019\u500b\u76ee\u6a19\uff0c\u90a3\u9ebc\u4f01\u696d\u5c0d\u65bc SSD \u7684\u5bb9\u91cf\u8d85\u904e 15.36TB \u6703\u6709\u5408\u7406\u7684\u7591\u616e\uff0c\u7279\u5225\u662f\u5bb9\u91cf\u5229\u7528\u7387\u548c\u78c1\u789f\u91cd\u5efa\u6642\u9593\u3002\u00a0<\/p>\n\n\n\n

    \u7121\u8ad6\u78c1\u789f\u4f9b\u61c9\u5546\u8072\u7a31\u88dd\u7f6e\u5c64\u7d1a\u7684\u5bb9\u91cf\u4f7f\u7528\uff0c\u5927\u591a\u6578\u5132\u5b58\u7cfb\u7d71\u4f9b\u61c9\u5546\u90fd\u5efa\u8b70\u60a8\u4e0d\u8981\u5728\u5132\u5b58\u7cfb\u7d71\u4e2d\u586b\u6eff\u8d85\u904e 60%-70% \u7684 SSD\u3002\uff08\u4f46 HDD \u66f4\u7cdf\u7684\u662f\uff0c\u56e0\u70ba\u7cfb\u7d71\u5ee0\u5546\u5efa\u8b70\u4e0d\u8981\u5c07\u88dd\u7f6e\u88dd\u6eff\u8d85\u904e 50%-60% \u7684\u5bb9\u91cf\u3002\uff09 \u9019\u7a2e SSD \u7121\u6cd5\u5145\u5206\u904b\u7528\u6240\u6709\u5bb9\u91cf\uff0c\u610f\u5473\u8457\u60a8\u5fc5\u9808\u8cfc\u8cb7\u66f4\u591a\u5bb9\u91cf\uff0c\u624d\u80fd\u9054\u6210\u4efb\u4f55\u7279\u5b9a\u7684\u6548\u80fd\u548c\u5bb9\u91cf\u76ee\u6a19\u3002<\/p>\n\n\n\n

    \u70ba\u63d0\u9ad8\u6bcf\u500b\u88dd\u7f6e\u4e2d\u5feb\u9583\u5a92\u9ad4\u7684\u5bb9\u91cf\u5229\u7528\u7387\uff0c\u5ee0\u5546\u53ef\u4ee5\u65b0\u589e\u4e00\u500b\u5927\u578b\u5feb\u53d6\u5c64\u3002\u6b64\u5feb\u53d6\u529f\u80fd\u53ef\u4f5c\u70ba\u9ad8\u6548\u80fd\u7684\u5beb\u5165\u7de9\u885d\u5340\uff0c\u5176\u5927\u5bb9\u91cf\u5141\u8a31\u5176\u57f7\u884c\u5beb\u5165\u5408\u4f75\uff0c\u4ee5\u589e\u52a0\u5099\u4efd\u5feb\u9583\u8a18\u61b6\u9ad4\u7684\u8010\u4e45\u5ea6\u548c\u5bb9\u91cf\u5229\u7528\u7387\uff0c\u6bd4\u50b3\u7d71\u7cfb\u7d71\u66f4\u597d\u3002\u4f46\u9019\u7a2e\u65b9\u6cd5\u6709\u5176\u98a8\u96aa\u3002\u5feb\u53d6\u8a18\u61b6\u9ad4\u901a\u5e38\u7531\u8d85\u9ad8\u6548\u80fd\u5132\u5b58\u88dd\u7f6e\uff08\u5373 Optane \u6216 SLC NAND \u5feb\u9583\u8a18\u61b6\u9ad4\uff09\u7d44\u6210\uff0c\u5728 $\/GB \u7684\u57fa\u790e\u4e0a\u50f9\u683c\u660e\u986f\u66f4\u9ad8\uff0c\u8017\u96fb\u91cf\u9060\u9ad8\u65bc QLC NAND \u5feb\u9583\u8a18\u61b6\u9ad4\u3002\u8a72\u5feb\u53d6\u8a18\u61b6\u9ad4\u7684\u5beb\u5165\u6548\u80fd\u5fc5\u9808\u8db3\u5920\u9ad8\uff0c\u4ee5\u907f\u514d\u7cfb\u7d71\u78b0\u5230\u5beb\u5165\u61f8\u5d16\uff0c\u56e0\u70ba\u5b83\u80fd\u540c\u6642\u64f7\u53d6\u65b0\u7684\u5beb\u5165\u5167\u5bb9\u3001\u670d\u52d9\u4e2d\u7e7c\u8cc7\u6599\u8981\u6c42\u3001\u8655\u7406\u4efb\u4f55\u8b80\u53d6\u6d41\u91cf\uff0c\u4e26\u7ba1\u7406\u8cc7\u6599\u5728\u4f4e\u6210\u672c\u5feb\u9583\u5a92\u9ad4\u4e0a\u7684\u53bb\u52e2\u65b9\u5f0f\u3002\u9ad8\u6548\u80fd\u5a92\u9ad4\u7a76\u7adf\u662f\u4ec0\u9ebc\uff1f\u5b83\u7684\u6210\u672c\u70ba\u4f55\uff1f\u5beb\u5165\u61f8\u5d16\u5728\u4e0d\u540c\u5de5\u4f5c\u8ca0\u8f09\u4e2d\u7684\u4f4d\u7f6e\u70ba\u4f55\uff1f<\/p>\n\n\n\n

    \u5beb\u5165\u9ad8\u6548\u80fd\u5a92\u9ad4\u7684\u8b80\u53d6\u6bd4\u7387\u662f\u6210\u529f\u8655\u7406\u9ad8\u6548\u80fd\u5de5\u4f5c\u8ca0\u8f09\u7684\u95dc\u9375\uff0c\u5feb\u53d6\u8a18\u61b6\u9ad4\u8207\u5feb\u9583\u5a92\u9ad4\u7684\u6bd4\u7387\u6703\u56e0\u5de5\u4f5c\u8ca0\u8f09\u7684\u5beb\u5165\u5f37\u5ea6\u800c\u7570\u3002\u5927\u578b\u5feb\u53d6\u8a18\u61b6\u9ad4\u5c0d\u6bd4\u7387\u548c\u6210\u672c\u7684\u5f71\u97ff\u4e0d\u5c0d\u6548\u80fd\u9020\u6210\u5f71\u97ff\u3002\u00a0\u00a0<\/p>\n\n\n\n

    \u73fe\u5728\u6211\u5011\u4f86\u770b\u770b\u91cd\u5efa\u6642\u9593\u7684\u554f\u984c\u3002\u5927\u591a\u6578\u5132\u5b58\u7cfb\u7d71\u5ee0\u5546\u90fd\u5be6\u65bd\u67d0\u7a2e\u5f62\u5f0f\u7684\u7dda\u4e0a\u3001\u78c1\u789f\u4e0a\u8cc7\u6599\u4fdd\u8b77\uff0c\u5982 RAID \u6216\u6e05\u9664\u7de8\u78bc \uff08EC\uff09\uff0c\u4ee5\u4fdd\u8b77\u8cc7\u6599\u514d\u53d7\u500b\u5225 SSD \u6545\u969c\u7684\u5f71\u97ff\u3002\u767c\u751f\u6545\u969c\u5f8c\uff0c\u4f01\u696d\u6703\u64d4\u5fc3\u7b2c\u4e8c\u6b21\u78c1\u789f\u6545\u969c\uff0c\u5c0e\u81f4\u8cc7\u6599\u7121\u6cd5\u904b\u4f5c\u6216\u907a\u5931\uff0c\u4e4b\u5f8c\u624d\u5b8c\u6210\u7b2c\u4e00\u6b21\u78c1\u789f\u6545\u969c\u91cd\u5efa\uff0c\u56e0\u6b64\u975e\u5e38\u64d4\u5fc3\u78c1\u789f\u91cd\u5efa\u6642\u9593\u3002\u7576 SSD \u6545\u969c\u4e14\u5fc5\u9808\u66f4\u63db\u6642\uff0c\u8a72\u88dd\u7f6e\u4e0a\u7684\u6240\u6709\u8cc7\u6599\u90fd\u5fc5\u9808\u91cd\u5efa\u3002COTS SSD \u7684\u901f\u5ea6\u6bd4 HDD \u5feb\u5f97\u591a\uff0c\u56e0\u6b64\u4f01\u696d\u66f4\u9858\u610f\u90e8\u7f72\u66f4\u5927\u7684 SSD\u3002\u5132\u5b58\u7cfb\u7d71\u5ee0\u5546\u901a\u5e38\u6703\u70ba 15.36TB SSD \u63d0\u4f9b 8 \u5230 12 \u5c0f\u6642\u7684\u91cd\u5efa\u6642\u9593\uff0c\u800c\u8a72\u5bb9\u91cf\u7684 HDD \u4f30\u8a08\u70ba 25 \u5230 30 \u5c0f\u6642\u3002\u4f46\u9019\u5047\u8a2d\u7cfb\u7d71\u4e2d\u6c92\u6709\u5176\u4ed6\u554f\u984c\u3002\u5be6\u969b\u4e0a\uff0cHDD \u7684\u91cd\u5efa\u7387\u63a1\u7528 20 \u689d\u7dda\u7684 EC \u65b9\u6cd5\uff0c\u6301\u7e8c\u70ba\u6b63\u5e38 I\/O \u63d0\u4f9b\u670d\u52d9\uff0c\u6bcf\u5929\u5927\u7d04\u662f 1TB\uff0c\u9019\u8868\u793a\u91cd\u5efa 24TB HDD \u53ef\u80fd\u9700\u8981\u4e09\u9031\u7684\u6642\u9593<\/a>\u3002SSD \u53ef\u4ee5\u66f4\u5feb\u5730\u91cd\u5efa\uff0c\u4f46\u5c0d\u65bc\u5bb9\u91cf\u66f4\u5927\u7684\u88dd\u7f6e\uff0c\u6211\u5011\u4ecd\u5728\u8a0e\u8ad6\u53ef\u80fd\u8981\u82b1\u4e0a\u5e7e\u5929\u7684\u6642\u9593\u3002<\/p>\n\n\n\n

    \u7531\u65bc\u5c0d\u91cd\u5efa\u6642\u9593\u7684\u64d4\u6182\uff0c\u4f01\u696d\u5f80\u5f80\u5e0c\u671b\u5728\u5177\u6709\u4efb\u4f55\u8cc7\u6599\u53ef\u7528\u6027\u9748\u654f\u5ea6\u7684\u7cfb\u7d71\u4e2d\u90e8\u7f72\u5bb9\u91cf\u8f03\u5c0f\u7684\u8a2d\u5099\u3002\u9019\u5c24\u5176\u5f71\u97ff\u4e86\u78c1\u789f\u4f9b\u61c9\u5546\u92b7\u552e 30.72TB \u88dd\u7f6e\u7684\u80fd\u529b\u3002\u4e8b\u5be6\u4e0a\uff0c\u6211\u770b\u5230\u5ba2\u6236\u5728\u7cfb\u7d71\u4e2d\u90e8\u7f72\u4e86 30.72TB \u88dd\u7f6e\uff0c\u5f8c\u4f86\u6c7a\u5b9a\u6539\u7528 15.72TB \u6216 7.68TB \u88dd\u7f6e\uff0c\u56e0\u70ba\u4ed6\u5011\u5728\u6eff\u8db3\u6548\u80fd\u9700\u6c42\u7684\u540c\u6642\uff0c\u7121\u6cd5\u5145\u5206\u5229\u7528\u5bb9\u91cf\uff0c\u4f7f\u5176\u7d93\u6fdf\u4e0a\u66f4\u5177\u5438\u5f15\u529b\u30021 \u6211\u4e5f\u770b\u904e\u5ee0\u5546\u6295\u6a19\u4e86 30.72TB SSD \u4ee5\u7bc0\u7701\u6210\u672c\uff0c\u4f46\u7531\u65bc\u985e\u4f3c\u539f\u56e0\uff0c\u5b89\u88dd\u6642\u5ba2\u6236\u4fbf\u6539\u7528\u5bb9\u91cf\u8f03\u5c0f\u7684 SSD\u3002\u00a0<\/p>\n\n\n\n

    \u56e0\u6b64\uff0c\u4f7f\u7528 COTS SSD \u6642\uff0c\u88dd\u7f6e\u898f\u6a21\u8d8a\u5c0f\uff0c\u5c31\u8d8a\u64d4\u5fc3\u91cd\u5efa\u6642\u9593\uff0c\u4f46\u7cfb\u7d71\u6210\u672c\u8d8a\u9ad8\uff0c\u53ef\u9760\u6027\u5c31\u8d8a\u4f4e\u3002\u8f03\u5927\u7684\u88dd\u7f6e\u5c3a\u5bf8\u53ef\u7522\u751f\u66f4\u7bc0\u80fd\u3001\u66f4\u7bc0\u7701\u7a7a\u9593\u7684\u7cfb\u7d71\uff0c\u4f46\u6703\u5f15\u8d77\u53ef\u7528\u6027\u7684\u9867\u616e\u3002\u4e8b\u5be6\u4e0a\uff0c\u57fa\u65bc\u5927\u898f\u6a21\u7684\u6548\u80fd\u548c\u5bb9\u91cf\u4f7f\u7528\u539f\u56e0\uff0c\u78c1\u789f\u4f9b\u61c9\u5546\u751a\u81f3\u53ef\u80fd\u4e0d\u9858\u610f\u751f\u7522\u8d85\u5927\u5bb9\u91cf \uff0875TB+\uff09 SSD\uff0c\u5feb\u9583\u8a18\u61b6\u9ad4\u5728\u4f01\u696d\u5de5\u4f5c\u8ca0\u8f09\u4e2d\u53d6\u4ee3 HDD \u6240\u9700\u7684 SSD\u3002\u9019\u662f\u56e0\u70ba\u5373\u4f7f\u4f9b\u61c9\u5546\u53ef\u4ee5\u88fd\u9020\u66f4\u5927\u7684\u5bb9\u91cf\u88dd\u7f6e\uff0c\u4f01\u696d\u9084\u662f\u6703\u7121\u6cd5\u5be6\u969b\u5728\u751f\u7522\u7cfb\u7d71\u4e2d\u4f7f\u7528\u3002\u800c\u4e14\uff0c\u5982\u679c\u5ba2\u6236\u4e0d\u5e38\u8cfc\u8cb7\uff0c\u5ee0\u5546\u5c31\u7121\u6cd5\u9054\u6210\u63a8\u52d5\u50f9\u683c\u4e0b\u8dcc\u6240\u9700\u7684\u5927\u91cf\u88fd\u9020\u3002\u56e0\u6b64\uff0c\u4f01\u696d\u5ba2\u6236\u8cfc\u8cb7\u7522\u54c1\u7684\u53ef\u80fd\u6027\u751a\u81f3\u66f4\u4f4e\u3002<\/p>\n\n\n\n

    \u9019\u8b93\u6211\u5011\u7684\u5144\u5f1f\u5011\u5728\u6c60\u5858\u88e1\u53ef\u80fd\u8a8d\u70ba\uff0c\u6839\u64da COTS SSD\uff0c\u78c1\u789f\u4f9b\u61c9\u5546\u548c\u4f01\u696d\u53ef\u80fd\u8981\u201c\u8981\u5403\u6389\u9ecf\u6027\u67f3\u689d\u201d\u3002\u00a0\u00a0<\/p>\n\n\n\n

    \u6b21\u4f73\u7684\u5feb\u9583\u5a92\u9ad4\u4f7f\u7528\u7387<\/strong><\/h2>\n\n\n\n

    \u8a2d\u8a08\u7cfb\u7d71\u4ee5\u6700\u4f73\u65b9\u5f0f\u4f7f\u7528\u5feb\u9583\u5a92\u9ad4\u4ee3\u8868\u4ec0\u9ebc\u610f\u601d\uff1f \u9019\u610f\u5473\u8457\u8981\u5206\u914dHDD\u884c\u674e\uff0c\u6839\u64da\u5c08\u70ba\u5feb\u9583\uff08NVMe\uff09\u6253\u9020\u7684\u5354\u5b9a\u512a\u5316\u7cfb\u7d71\u8a2d\u8a08\uff0c\u4e26\u5728\u5168\u7403\u548c\u76f4\u63a5\u7cfb\u7d71\u4e2d\u5c0d\u61c9\u548c\u7ba1\u7406\u6240\u6709\u5feb\u9583\u5a92\u9ad4\u3002\u00a0<\/p>\n\n\n\n

    \u4f01\u696d\u7d1a SSD \u5728\u6bcf\u500b\u78c1\u789f\u4e2d\u90fd\u4f7f\u7528\u4e00\u500b\u5c0f\u578b\u63a7\u5236\u5668\u4f86\u7ba1\u7406\u8a72\u88dd\u7f6e\u4e2d\u7684\u5a92\u9ad4\uff0c\u4e26\u5354\u8abf\u8b80\u53d6\u548c\u5beb\u5165 I\/O \u8207\u53ef\u7528\u7a7a\u9593\u7ba1\u7406\uff0c\u4ee5\u53ca\u8655\u7406 I\/O \u932f\u8aa4\u3002\u9019\u57fa\u672c\u4e0a\u662f HDD \u7684\u88fd\u9020\u65b9\u5f0f\uff0cCOTS SSD \u7684\u88fd\u9020\u65b9\u5f0f\u4e5f\u662f\u4e00\u6a23\u3002\u5728\u505a\u51fa\u5a92\u9ad4\u4f7f\u7528\u6c7a\u7b56\u6642\uff0c\u78c1\u789f\u63a7\u5236\u5668\u7121\u6cd5\u770b\u898b\u7cfb\u7d71\u5167\u767c\u751f\u7684\u5176\u4ed6\u4e8b\u4ef6\u3002\u5728\u55ae\u4e00\u78c1\u789f\u4e2d\u512a\u5316\u5a92\u9ad4\u7ba1\u7406\uff0c\u6700\u7d42\u5f9e\u7cfb\u7d71\u89d2\u5ea6\u4f86\u770b\uff0c\u4ee5\u4e0d\u7406\u60f3\u7684\u65b9\u5f0f\u9032\u884c\u7ba1\u7406\u3002\u5982\u6b64\u4e00\u4f86\uff0c\u5beb\u5165\u653e\u5927\u7387\u66f4\u9ad8\uff0c\u9019\u662f\u7531\u65bc\u5feb\u9583\u8a18\u61b6\u9ad4\u8010\u4e45\u5ea6\u554f\u984c\uff0c\u4ee5\u53ca\u5c0d\u6548\u80fd\u4e00\u81f4\u6027\u6709\u5f71\u97ff\u7684\u4f4e\u6548\u7387\u5783\u573e\u6536\u96c6\uff0c\u7279\u5225\u662f SSD \u586b\u6eff\u7684\u554f\u984c\u3002\u70ba\u4e86\u5617\u8a66\u4e26\u62b5\u6d88\u9019\u7a2e\u60c5\u6cc1\uff0c\u5feb\u9583\u8a18\u61b6\u9ad4\u5728 COTS SSD \u672c\u8eab\u4e2d\u201c\u9810\u7559\u7a7a\u9593\u201d\uff08\u4e00\u822c\u70ba 15%-20%\uff09\uff0c\u4ee5\u5e6b\u52a9\u63d0\u9ad8\u6548\u80fd\u548c\u8010\u7528\u6027\u3002\u9019\u7a2e\u8d85\u984d\u914d\u7f6e\u7576\u7136\u6703\u589e\u52a0\u6210\u672c\uff0c\u4e26\u64fa\u812b\u4e86\u786c\u789f\u5be6\u969b\u80fd\u63d0\u4f9b\u7684\u201c\u53ef\u7528\u5bb9\u91cf\u201d\uff08\u56e0\u70ba\u8d85\u984d\u914d\u7f6e\u5bb9\u91cf\u4f54\u7528\u4e86\u7a7a\u9593\uff0c\u4f46\u53ea\u6709\u8a72\u78c1\u789f\u7684\u63a7\u5236\u5668\u770b\u5f97\u5230\uff0c\u800c\u975e\u7cfb\u7d71\uff09\u3002<\/p>\n\n\n\n

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    \u5728 SSD \u4e2d\uff0c\u5167\u90e8\u63a7\u5236\u5668\u6703\u5c07\u5a92\u9ad4\u6620\u5c04\u4e26\u5448\u73fe\u7d66 FTL\uff0c\u7136\u5f8c\u5448\u73fe\u7d66\u5132\u5b58\u63a7\u5236\u5668\uff0c\u518d\u5448\u73fe\u7d66\u57f7\u884c\u5404\u7a2e\u61c9\u7528\u7a0b\u5f0f\u7684\u4f3a\u670d\u5668\u3002\u5bb9\u91cf\u4f7f\u7528\u7387\u70ba 70% \u7684 15TB SSD\uff0c\u53ef\u7528\u5bb9\u91cf\u4e0d\u5230 11TB\u3002\u9019\u6bd4 HDD HDD \u66f4\u597d\uff0c\u5bb9\u91cf\u4f7f\u7528\u7387\u70ba 60%\uff0c\u53ea\u80fd\u5f9e 15TB \u88dd\u7f6e\u63d0\u4f9b 9.2TB \u7684\u53ef\u7528\u5bb9\u91cf\u3002\u4f46\u8207\u4f7f\u7528\u7121\u6d88\u8cbb\u8005\u50b3\u7d71\u3001\u5c08\u70ba\u5728\u4f01\u696d\u74b0\u5883\u4e2d\u63d0\u5347\u6548\u80fd\u548c\u6548\u7387\u800c\u6253\u9020\u7684\u5feb\u9583\u5132\u5b58\u88dd\u7f6e\uff08\u975e COTS SSD\uff09\u7cfb\u7d71\u76f8\u6bd4\uff0c\u9019\u5982\u4f55\uff1f \u9019\u6b63\u662f\u6211\u5011\u5728 Pure Storage \u4f7f\u7528 DirectFlash \u6a21\u7d44 \uff08DFM\uff09 \u6240\u505a\u7684\uff0c\u6211\u5011\u5c07\u5728\u90e8\u843d\u683c\u7684\u7b2c 2 \u90e8\u5206\u56de\u7b54\u9019\u500b\u554f\u984c\u3002<\/p>\n\n\n\n

    \u7e3d\u800c\u8a00\u4e4b\uff0c\u6295\u8cc7\u4ee5 COTS SSD \u70ba\u57fa\u790e\u7684\u4f01\u696d\u7d1a\u5132\u5b58\u7cfb\u7d71\uff0c\u6703\u8feb\u4f7f\u5ba2\u6236\u63a5\u53d7\u4f4e\u6548\u57fa\u790e\u67b6\u69cb\uff0c\u9019\u4e9b\u57fa\u790e\u67b6\u69cb\u5728\u6548\u80fd\u4e00\u81f4\u6027\u3001\u5a92\u9ad4\u8010\u4e45\u5ea6\u3001\u88dd\u7f6e\u53ef\u9760\u6027\u3001\u80fd\u6e90\u6d88\u8017\u3001\u5132\u5b58\u5bc6\u5ea6\u3001\u5bb9\u91cf\u5229\u7528\u7387\uff0c\u4ee5\u53ca\u6700\u7d42\u7cfb\u7d71\u6210\u672c\u65b9\u9762\uff0c\u5c0d\u4ed6\u5011\u9020\u6210\u8ca0\u9762\u5f71\u97ff\u3002\u4f46\u7531\u65bc\u5176\u4e2d\u8a31\u591a\u7cfb\u7d71\u7684\u6bd4\u8f03\u9ede\u90fd\u662f\u5168 HDD \u7cfb\u7d71\uff0c\u56e0\u6b64 COTS SSD \u7cfb\u7d71\u4f3c\u4e4e\u5177\u6709\u5438\u5f15\u529b\u3002\u00a0<\/p>\n\n\n\n

    \n

    \u95b1\u8b80\u66f4\u591a\u6b64\u7cfb\u5217\u5167\u5bb9<\/h2>\n\n\n\n
    \n
    \n
    \n
    \n
    \"SSD\"<\/figure>\n\n\n\n
    SSD \u9677\u9631\uff1a<\/h5>\n<\/div>\n\n\n\n
    \n
    \n
    \u4e86\u89e3\u66f4\u591a<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n
    \n
    \n
    \n
    \"SSD\"<\/figure>\n\n\n\n
    \u63ed\u958b\u5132\u5b58\u8907\u96dc\u6027\u7684\u795e\u79d8\u9762\u7d17\uff1a<\/h5>\n<\/div>\n\n\n\n
    \n
    \n
    \u4e86\u89e3\u66f4\u591a<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n
    \n
    \n
    \n
    \"SSD\"<\/figure>\n\n\n\n
    \u5132\u5b58\u67b6\u69cb\u983b\u8b5c\uff1a<\/h5>\n<\/div>\n\n\n\n
    \n
    \n
    \u4e86\u89e3\u66f4\u591a<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n
    \n
    \n
    \n
    \"SSD\"<\/figure>\n\n\n\n
    \u8d85\u8d8a\u963b\u7919\uff1a<\/h5>\n<\/div>\n\n\n\n
    \n
    \n
    \u4e86\u89e3\u66f4\u591a<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n
    \n
    \n
    \n
    \"SSD\"<\/figure>\n\n\n\n
    \u7701\u7565 SSD \u9677\u9631\uff1a<\/h5>\n<\/div>\n\n\n\n
    \n
    \n
    \u4e86\u89e3\u66f4\u591a<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n
    \n
    \n
    \n
    \"SSD\"<\/figure>\n\n\n\n
    \u60a8\u7684\u5132\u5b58\u5e73\u53f0\u662f\u5426\u771f\u6b63\u73fe\u4ee3\u5316\uff1f<\/h5>\n<\/div>\n\n\n\n
    \n
    \n
    \u4e86\u89e3\u66f4\u591a<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n

    \u6e96\u5099\u7b2c 2 \u90e8\u5206<\/strong><\/h2>\n\n\n\n

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    \"\"\/<\/figure>\n<\/div>\n\n\n\n
    \n

    \u4f5c\u8005\uff1a<\/strong><\/p>\n\n\n

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

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In joining Pure I was very happy to rekindle relationships with folks I had known at Veritas back in the 1990s as well as see a lot of other familiar faces from my time in storage."}],"_links":{"self":[{"href":"https:\/\/blog.everpuredata.com\/zh-hant\/wp-json\/wp\/v2\/posts\/160366","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.everpuredata.com\/zh-hant\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.everpuredata.com\/zh-hant\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.everpuredata.com\/zh-hant\/wp-json\/wp\/v2\/users\/625"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.everpuredata.com\/zh-hant\/wp-json\/wp\/v2\/comments?post=160366"}],"version-history":[{"count":0,"href":"https:\/\/blog.everpuredata.com\/zh-hant\/wp-json\/wp\/v2\/posts\/160366\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.everpuredata.com\/zh-hant\/wp-json\/wp\/v2\/media\/160371"}],"wp:attachment":[{"href":"https:\/\/blog.everpuredata.com\/zh-hant\/wp-json\/wp\/v2\/media?parent=160366"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.everpuredata.com\/zh-hant\/wp-json\/wp\/v2\/categories?post=160366"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.everpuredata.com\/zh-hant\/wp-json\/wp\/v2\/tags?post=160366"},{"taxonomy":"content-position","embeddable":true,"href":"https:\/\/blog.everpuredata.com\/zh-hant\/wp-json\/wp\/v2\/content-position?post=160366"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/blog.everpuredata.com\/zh-hant\/wp-json\/wp\/v2\/ppma_author?post=160366"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}