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style=\"text-align: center;\">\u8868 1-1 \u901a\u7528\u7f51\u7edc\u5e73\u53f0\u7684\u5ef6\u8fdf\u7edf\u8ba1<\/p>\n<p><a rel=\"nofollow\" href=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98053.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-42953\" src=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98053.png\" alt=\"%e5%b1%8f%e5%b9%95%e5%bf%ab%e7%85%a7-2016-12-27-%e4%b8%8a%e5%8d%889-25-08\" width=\"532\" height=\"185\" srcset=\"https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98053.png 532w, https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98053.png?x-oss-process=image%2Fquality,q_50%2Fresize,m_fill,w_300,h_104 300w\" sizes=\"(max-width: 532px) 100vw, 532px\" \/><\/a><\/p>\n<p>\u5982\u88681-1\u6240\u793a\uff0c\u4ea4\u6362\u673a\u3001\u7f51\u5361\u3001\u64cd\u4f5c\u7cfb\u7edf\u7b49\u65b9\u9762\u7684\u53d1\u5c55\uff0c\u5df2\u7ecf\u4f7f\u5f97\u7f51\u7edc\u5ef6\u8fdf\u6709\u4e86\u5927\u5e45\u964d\u4f4e\uff0c\u8be6\u89c1\u4e0b\u8868\u3002\u7f51\u7edc\u5904\u7406\u5ef6\u8fdf\u5df2\u7ecf\u8f83\u5927\u5e45\u5ea6\u4f4e\u4e8e\u8f6f\u786c\u4ef6\u7684\u56fa\u6709\u5ef6\u8fdf\uff0c\u4f7f\u5f97\u57fa\u4e8e\u4e07\u5146\u4ee5\u592a\u7f51\u7684\u5b58\u50a8\u670d\u52a1\u53ef\u4ee5\u9010\u6b65\u66ff\u4ee3\u4f20\u7edf\u7684\u5b58\u50a8\u5149\u7ea4\u7f51\u7edc\u3002<\/p>\n<p><strong>1.3 \u4f20\u7edf\u5b58\u50a8\u67b6\u6784\u7684\u5e94\u7528\u5c40\u9650\u6027<\/strong><\/p>\n<p>\u4f20\u7edfSAN\u5b58\u50a8\u8bbe\u5907\u4e00\u822c\u91c7\u7528\u53cc\u63a7\u5236\u5668\u67b6\u6784\uff0c\u4e24\u8005\u4e92\u4e3a\u5907\u4efd\uff0c\u914d\u7f6e\u4e24\u53f0\u4ea4\u6362\u673a\u4e0e\u524d\u7aef\u7684\u670d\u52a1\u5668\u8fdb\u884c\u8fde\u63a5\uff0c\u5982\u56fe1-1\u6240\u793a\u3002\u8fd9\u79cd\u53cc\u63a7\u5236\u5668\u67b6\u6784\u8fd9\u79cd\u65b9\u5f0f\u4f1a\u6709\u4ee5\u4e0b\u4e24\u4e2a\u65b9\u9762\u7684\u7f3a\u70b9\uff1a<\/p>\n<p>1\uff09\u7f51\u7edc\u5e26\u5bbd\u5bb9\u6613\u53d8\u6210\u6574\u4e2a\u5b58\u50a8\u6027\u80fd\u7684\u74f6\u9888\uff1b<\/p>\n<p>2\uff09\u5982\u679c\u4e00\u4e2a\u63a7\u5236\u5668\u635f\u574f\uff0c\u7cfb\u7edf\u7684\u6027\u80fd\u5c06\u5927\u5e45\u4e0b\u964d\uff0c\u5f71\u54cd\u5b58\u50a8\u7684\u6b63\u5e38\u4f7f\u7528\u3002<\/p>\n<p><a rel=\"nofollow\" href=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e980291.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-42954\" src=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e980291.png\" alt=\"%e5%b1%8f%e5%b9%95%e5%bf%ab%e7%85%a7-2016-12-27-%e4%b8%8a%e5%8d%889-26-44\" width=\"313\" height=\"284\" srcset=\"https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e980291.png 313w, https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e980291.png?x-oss-process=image%2Fquality,q_50%2Fresize,m_fill,w_300,h_272 300w\" sizes=\"(max-width: 313px) 100vw, 313px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">\u56fe 1-3 \u4f20\u7edf\u5b58\u50a8\u53cc\u63a7\u5236\u67b6\u6784<\/p>\n<p>\u4f20\u7edf\u5b58\u50a8\u67b6\u6784\u7684\u5c40\u9650\u6027\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n<p>1\u3001\u6a2a\u5411\u6269\u5c55\u6027\u8f83\u5dee<\/p>\n<p>\u53d7\u9650\u4e8e\u524d\u7aef\u63a7\u5236\u5668\u7684\u5bf9\u5916\u670d\u52a1\u80fd\u529b\uff0c\u7eb5\u5411\u6269\u5c55\u78c1\u76d8\u6570\u91cf\u65e0\u6cd5\u6709\u6548\u63d0\u5347\u5b58\u50a8\u8bbe\u5907\u5bf9\u5916\u63d0\u4f9b\u670d\u52a1\u7684\u80fd\u529b\u3002\u540c\u65f6\uff0c\u524d\u7aef\u63a7\u5236\u5668\u6a2a\u5411\u6269\u5c55\u80fd\u529b\u975e\u5e38\u6709\u9650\uff0c\u4e1a\u754c\u6700\u591a\u4ec5\u80fd\u5b9e\u73b0\u51e0\u4e2a\u63a7\u5236\u5668\u7684\u6a2a\u5411\u3002\u56e0\u6b64\uff0c\u524d\u7aef\u63a7\u5236\u5668\u6210\u4e3a\u6574\u4e2a\u5b58\u50a8\u6027\u80fd\u7684\u74f6\u9888\u3002<\/p>\n<p>2\u3001\u4e0d\u540c\u5382\u5bb6\u4f20\u7edf\u5b58\u50a8\u4e4b\u95f4\u7684\u5dee\u5f02\u6027\u5e26\u6765\u7684\u7ba1\u7406\u95ee\u9898<\/p>\n<p>\u4e0d\u540c\u5382\u5546\u8bbe\u5907\u7684\u7ba1\u7406\u548c\u4f7f\u7528\u65b9\u5f0f\u5404\u6709\u4e0d\u540c\uff0c\u7531\u4e8e\u8f6f\u786c\u4ef6\u7d27\u8026\u5408\u3001\u7ba1\u7406\u63a5\u53e3\u4e0d\u7edf\u4e00\u7b49\u9650\u5236\u56e0\u7d20\u65e0\u6cd5\u505a\u5230\u8d44\u6e90\u7684\u7edf\u4e00\u7ba1\u7406\u548c\u5f39\u6027\u8c03\u5ea6\uff0c\u4e5f\u4f1a\u5e26\u6765\u5b58\u50a8\u5229\u7528\u7387\u8f83\u4f4e\u7684\u73b0\u8c61\u3002\u56e0\u6b64\uff0c\u4e0d\u540c\u5b58\u50a8\u7684\u5b58\u5728\u5f71\u54cd\u4e86\u5b58\u50a8\u4f7f\u7528\u7684\u4fbf\u5229\u6027\u548c\u5229\u7528\u7387\u3002<\/p>\n<p><strong>2 \u91d1\u878d\u884c\u4e1a\u5bf9\u4e8e\u4e0b\u4e00\u4ee3\u5b58\u50a8\u7684\u9700\u6c42<\/strong><\/p>\n<p>\u4e92\u8054\u7f51\u3001\u4e91\u8ba1\u7b97\u7684\u5feb\u901f\u53d1\u5c55\u63a8\u52a8\u7740\u91d1\u878d\u884c\u4e1a\u7684\u4e0d\u65ad\u521b\u65b0\uff0c\u5728\u79fb\u52a8\u652f\u4ed8\u3001\u4e92\u8054\u7f51\u91d1\u878d\u7b49\u521b\u65b0\u4e1a\u52a1\u65b9\u9762\u5168\u9762\u63a8\u8fdb\u3002\u4e1a\u52a1\u7684\u53d1\u5c55\u3001\u6570\u636e\u7684\u589e\u957f\u4ee5\u53ca\u4e91\u8ba1\u7b97\u3001\u5927\u6570\u636e\u7b49\u65b0\u6280\u672f\u7684\u5feb\u901f\u53d1\u5c55\uff0c\u5747\u5bf9\u5b58\u50a8\u63d0\u51fa\u4e86\u76f8\u5173\u7684\u8981\u6c42\uff0c\u5177\u4f53\u5305\u62ec\u5982\u4e0b\u4e94\u70b9\uff1a<\/p>\n<p><strong>2.1 \u9ad8\u6027\u80fd<\/strong><\/p>\n<p>\u4e92\u8054\u7f51\u548c\u79fb\u52a8\u4e92\u8054\u7f51\u7684\u5feb\u901f\u53d1\u5c55\uff0c\u4ee5\u53ca\u91d1\u878d\u4f01\u4e1a\u4e1a\u52a1\u7684\u5feb\u901f\u589e\u957f\uff0c\u4f7f\u5f97\u4f01\u4e1a\u5728\u4e1a\u52a1\u8fc7\u7a0b\u4e2d\u4ea7\u751f\u4e86\u5927\u91cf\u7684\u4e1a\u52a1\u6570\u636e\uff0c\u8fd9\u4e9b\u5927\u91cf\u7684\u6570\u636e\u9700\u8981\u88ab\u8bb0\u5f55\u5728\u865a\u62df\u673a\u3001\u6570\u636e\u5e93\u3001\u6587\u4ef6\u7cfb\u7edf\u7b49\u4e2d\uff0c\u4ece\u800c\u5bf9\u5b58\u50a8\u7684\u6027\u80fd\u8981\u6c42\u8d8a\u6765\u8d8a\u9ad8\u3002<\/p>\n<p>\u5927\u6570\u636e\u5206\u6790\u6280\u672f\u7684\u53d1\u5c55\uff0c\u4f7f\u5f97\u4f01\u4e1a\u9010\u6e10\u8ba4\u8bc6\u5230\u6570\u636e\u5728\u4f01\u4e1a\u53d1\u5c55\u4e2d\u7684\u91cd\u8981\u6027\u3002\u7ed3\u5408\u4e1a\u52a1\u53d1\u5c55\u9700\u8981\uff0c\u4f01\u4e1a\u5bf9\u8bb0\u5f55\u548c\u5b58\u50a8\u7684\u5927\u91cf\u4e1a\u52a1\u6570\u636e\u7b49\u8fdb\u884c\u5206\u6790\u548c\u6316\u6398\uff0c\u5f62\u6210\u652f\u6491\u4f01\u4e1a\u7ecf\u8425\u51b3\u7b56\u3001\u7cbe\u51c6\u83b7\u5ba2\u3001\u98ce\u9669\u9632\u8303\u7b49\u591a\u65b9\u9762\u7684\u6570\u636e\u589e\u503c\u670d\u52a1\uff0c\u6ee1\u8db3\u4f01\u4e1a\u5185\u90e8\u548c\u5916\u90e8\u7528\u6237\u7684\u9700\u6c42\uff0c\u4e5f\u5bf9\u5b58\u50a8\u7684\u6027\u80fd\u63d0\u51fa\u66f4\u9ad8\u7684\u8981\u6c42\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u4e3a\u6ee1\u8db3\u9ad8\u5e76\u53d1\u7684\u4e1a\u52a1\u4ee5\u53ca\u5927\u91cf\u7684\u4e1a\u52a1\u6570\u636e\u5206\u6790\u7b49\u9700\u6c42\uff0c\u5b58\u50a8\u9996\u5148\u9700\u8981\u63d0\u4f9b\u8f83\u9ad8\u7684\u6027\u80fd\u3002<\/p>\n<p><strong>2.2 \u9ad8\u53ef\u7528\u6027<\/strong><\/p>\n<p>\u6570\u636e\u662f\u4f01\u4e1a\u7684\u6838\u5fc3\u8d44\u4ea7\uff0c\u5b58\u50a8\u7684\u9ad8\u53ef\u9760\u6027\u548c\u6570\u636e\u9ad8\u53ef\u9760\u6027\u662f\u4e1a\u52a1\u6d3b\u52a8\u7684\u57fa\u7840\u652f\u6491\u3002\u5b58\u50a8\u7cfb\u7edf\u9700\u8981\u907f\u514d\u56e0\u4e3a\u5355\u4e2a\u8bbe\u5907\u7684\u6545\u969c\uff0c\u5bf9\u6574\u4f53\u670d\u52a1\u4ee5\u53ca\u670d\u52a1\u80fd\u529b\u4ea7\u751f\u8f83\u5927\u5f71\u54cd\uff0c\u63d0\u9ad8\u5b58\u50a8\u7cfb\u7edf\u7684\u9c81\u68d2\u6027\u3002\u5bf9\u4e8e\u6570\u636e\u6765\u8bf4\uff0c\u4e5f\u8981\u63d0\u4f9b\u76f8\u5e94\u7684\u9ad8\u53ef\u7528\u673a\u5236\uff0c\u5728\u5b58\u50a8\u53d1\u751f\u6545\u969c\u65f6\u5019\uff0c\u652f\u6491\u548c\u4fdd\u969c\u6570\u636e\u7684\u81ea\u52a8\u6062\u590d\u548c\u52a8\u6001\u8fc1\u79fb\u3002<\/p>\n<p>\u5c24\u5176\u662f\u5bf9\u4e8e\u91d1\u878d\u884c\u4e1a\u4f01\u4e1a\u6765\u8bf4\uff0c\u5b58\u50a8\u548c\u6570\u636e\u7684\u9ad8\u53ef\u7528\u6027\u76f8\u6bd4\u5176\u4ed6\u884c\u4e1a\u6765\u8bf4\u66f4\u52a0\u91cd\u8981\u3002\u56e0\u6b64\uff0c\u5728\u91d1\u878d\u884c\u4e1a\u7684\u4e1a\u52a1\u573a\u666f\u4e0b\uff0c\u5b58\u50a8\u9700\u8981\u6ee1\u8db3\u66f4\u9ad8\u8981\u6c42\u7684\u9ad8\u53ef\u7528\u6027\u3002<\/p>\n<p><strong>2.3 \u52a8\u6001\u6269\u5c55<\/strong><\/p>\n<p>\u865a\u62df\u5316\u6280\u672f\u7684\u53d1\u5c55\u4f7f\u5f97\u8ba1\u7b97\u8d44\u6e90\u5f97\u4ee5\u6c60\u5316\uff0c\u4f7f\u5f97\u4e1a\u52a1\u7cfb\u7edf\u6240\u9700\u8981\u7684\u8d44\u6e90\u80fd\u591f\u6309\u9700\u5206\u914d\uff0c\u5f39\u6027\u6269\u5c55\u3002\u5728\u6574\u4e2a\u5e73\u53f0\u8d44\u6e90\u4e0d\u8db3\u7684\u65f6\u5019\uff0c\u80fd\u591f\u4fbf\u6377\u5730\u52a8\u6001\u589e\u52a0\u65b0\u7684\u670d\u52a1\u5668\u8d44\u6e90\u3002\u540c\u6837\uff0c\u5bf9\u4e8e\u5b58\u50a8\u6765\u8bf4\uff0c\u91d1\u878d\u4f01\u4e1a\u9700\u8981\u5efa\u7acb\u5b58\u50a8\u7684\u8d44\u6e90\u6c60\uff0c\u5e76\u80fd\u591f\u6309\u9700\u5206\u914d\u548c\u52a8\u6001\u589e\u52a0\u8d44\u6e90\u6c60\u7684\u8d44\u6e90\uff0c\u6ee1\u8db3\u4e1a\u52a1\u53d1\u5c55\u7684\u9700\u8981\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u5b58\u50a8\u80fd\u591f\u652f\u6491\u8d44\u6e90\u7684\u52a8\u6001\u4f38\u7f29\u4ee5\u53ca\u8d44\u6e90\u6c60\u7684\u52a8\u6001\u6269\u5c55\u4e5f\u662f\u884c\u4e1a\u4fe1\u606f\u6280\u672f\u53d1\u5c55\u7684\u9700\u8981\u3002<\/p>\n<p><strong>2.4 \u63a5\u53e3\u6807\u51c6\u6027<\/strong><\/p>\n<p>\u4e00\u4e2a\u67b6\u6784\u5148\u8fdb\u7684\u3001\u7b26\u5408\u65f6\u4ee3\u53d1\u5c55\u7684\u5b58\u50a8\u7cfb\u7edf\u5e94\u8be5\u662f\u8f6f\u786c\u4ef6\u4e4b\u95f4\u677e\u8026\u5408\u6216\u8005\u4e0d\u8026\u5408\u7684\u72b6\u6001\uff0c\u7cfb\u7edf\u652f\u6301\u81ea\u52a8\u5bf9\u786c\u4ef6\u8d44\u6e90\u7684\u90e8\u7f72\u3001\u4f18\u5316\u548c\u7ba1\u7406\uff0c\u5c06\u5404\u7c7b\u5b58\u50a8\u8d44\u6e90\u8fdb\u884c\u7075\u6d3b\u7684\u914d\u7f6e\uff0c\u5b9e\u73b0\u5e94\u7528\u6309\u9700\uff08\u5bb9\u91cf\u3001\u6027\u80fd\u3001QoS\u3001SLA\u7b49\uff09\u5206\u914d\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u8fd9\u5c31\u8981\u6c42\u5b58\u50a8\u80fd\u591f\u63d0\u4f9b\u4e30\u5bcc\u7684\u6807\u51c6\u63a5\u53e3\uff0c\u5305\u62ec\u6587\u4ef6\u7cfb\u7edf\u63a5\u53e3\uff08NFS\u3001CIFS\uff09\u3001\u5757\u63a5\u53e3\uff08iSCIS\u3001FC\uff09\u6216\u8005\u5bf9\u8c61\u63a5\u53e3\uff08S3\u3001SWIFT\uff09\u4ee5\u53ca\u5bf9\u5185\u80fd\u591f\u63d0\u4f9b\u6807\u51c6\u7684\u7ba1\u7406\u63a5\u53e3\u3002<\/p>\n<p><strong>2.5 \u9ad8\u53ef\u7ba1\u7406\u6027<\/strong><\/p>\n<p>\u5b58\u50a8\u4f5c\u4e3a\u4f01\u4e1a\u6570\u636e\u4e2d\u5fc3\u7684\u6838\u5fc3\u548c\u57fa\u7840\u670d\u52a1\uff0c\u5e94\u8be5\u5177\u5907\u65e5\u5e38\u90e8\u7f72\u3001\u7ba1\u7406\u3001\u76d1\u63a7\u7684\u81ea\u52a8\u5316\u548c\u53ef\u89c6\u5316\uff0c\u63d0\u9ad8\u5b58\u50a8\u8d44\u6e90\u670d\u52a1\u7684\u53ef\u7ba1\u7406\u6027\uff0c\u5305\u62ec\u8d44\u6e90\u5206\u914d\u3001\u8d44\u6e90\u76d1\u63a7\u3001\u6545\u969c\u544a\u8b66\u7b49\u591a\u65b9\u9762\u7684\u5185\u5bb9\uff0c\u4ece\u800c\u63d0\u9ad8\u8fd0\u7ef4\u7ba1\u7406\u4eba\u5458\u7684\u7ba1\u7406\u6548\u7387\u3002<\/p>\n<p>\u5b58\u50a8\u670d\u52a1\u9700\u8981\u9010\u6b65\u652f\u6301\u667a\u80fd\u5316\u7684\u91c7\u96c6\u548c\u5206\u6790\uff0c\u5e2e\u52a9\u4f01\u4e1a\u9ad8\u6548\u5730\u5229\u7528\u73b0\u6709\u8d44\u6e90\uff0c\u5305\u62ec\u5bf9\u5b58\u50a8IOPS\u3001\u5b58\u50a8\u541e\u5410\u91cf\u4ee5\u53ca\u5b58\u50a8\u5bb9\u91cf\u7684\u4f7f\u7528\u8fdb\u884c\u52a8\u6001\u7684\u76d1\u6d4b\u548c\u9884\u6d4b\uff0c\u65b9\u4fbf\u7ba1\u7406\u4eba\u5458\u5bf9\u5b58\u50a8\u73b0\u6709\u60c5\u51b5\u8fdb\u884c\u4e86\u89e3\u548c\u53ca\u65f6\u5bf9\u672a\u6765\u5b58\u50a8\u7684\u6269\u5bb9\u8fdb\u884c\u89c4\u5212\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u4ece\u7ba1\u7406\u8fd0\u7ef4\u65b9\u9762\u6765\u8bf4\uff0c\u5b58\u50a8\u9700\u8981\u63d0\u4f9b\u76f8\u5e94\u7684\u9ad8\u53ef\u7ba1\u7406\u6027\u3002<\/p>\n<p><strong>3. \u8f6f\u4ef6\u5b9a\u4e49\u5b58\u50a8\u6280\u672f\u7684\u53d1\u5c55\u73b0\u72b6<\/strong><\/p>\n<p><strong>3.1 \u4f20\u7edf\u5b58\u50a8\u5230\u8f6f\u4ef6\u5b9a\u4e49\u5b58\u50a8\u7684\u6f14\u53d8<\/strong><\/p>\n<p>\u5b58\u50a8\u7cfb\u7edf\u5728\u6f14\u53d8\u8fc7\u7a0b\u4e2d\u7ecf\u5386\u4e86\u6570\u6b21\u53d8\u8fc1\uff0c\u6700\u65e9\u8bde\u751f\u4e8e\u670d\u52a1\u5668\u5185\u90e8\uff0c\u540e\u9010\u6e10\u6210\u4e3a\u4e00\u4e2a\u72ec\u7acb\u7cfb\u7edf\uff0c\u51fa\u73b0\u4e86NAS\u3001SAN\u7b49\u5b58\u50a8\u6280\u672f\u3002\u4f46\u662f\u968f\u7740\u4e1a\u52a1\u89c4\u6a21\u4e0e\u6a21\u5f0f\u7684\u4e0d\u65ad\u6269\u5927\u66f4\u65b0\uff0c\u4f20\u7edf\u5b58\u50a8\u67b6\u6784\u7531\u4e8e\u6a2a\u5411\u6269\u5c55\u6210\u672c\u9ad8\u3001\u5468\u671f\u957f\u3001\u517c\u5bb9\u6027\u5dee\u548c\u6027\u4ef7\u6bd4\u4f4e\u7b49\u539f\u56e0\u65e0\u6cd5\u9002\u5e94\u66f4\u591a\u7684\u5e94\u7528\u573a\u666f\u3002\u4f34\u968fx86\u670d\u52a1\u5668\u9010\u6e10\u901a\u7528\u6807\u51c6\u5316\uff0c\u7ed3\u5408\u8ba1\u7b97\u673a\u4e0e\u7f51\u7edc\u6280\u672f\uff0c\u8f85\u4ee5\u9ad8\u901f\u7f51\u7edc\u3001SSD\u7b49\u6280\u672f\u7684\u53d1\u5c55\u548c\u5e7f\u6cdb\u5e94\u7528\uff0c\u5b58\u50a8\u7cfb\u7edf\u9010\u6e10\u5411\u4ee5\u4e0b\u4e24\u4e2a\u65b9\u9762\u53d1\u5c55\uff1a<\/p>\n<p>1.\u4ece\u96c6\u4e2d\u5f0f\u9010\u6e10\u8fc7\u6e21\u5230\u5206\u5e03\u5f0f\u5b58\u50a8\u67b6\u6784\u3002\u5206\u5e03\u5f0f\u6700\u5927\u7684\u7279\u70b9\u5c31\u662f\u6570\u636e\u5206\u6563\u5728\u5404\u4e2a\u72ec\u7acb\u8282\u70b9\u4e0a\uff0c\u591a\u53f0\u5b58\u50a8\u670d\u52a1\u5668\u5206\u62c5\u5b58\u50a8\u8d1f\u8377\uff0c\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u3001\u53ef\u7528\u6027\u548c\u6548\u7387\uff0c\u5e76\u4e14\u6613\u4e8e\u6269\u5c55\u3002<\/p>\n<p>2.\u53d7\u5230\u201c\u4e92\u8054\u7f51+\u201d\u6df1\u5165\u878d\u5408\u80cc\u666f\u4e0b\u4e1a\u52a1\u4e91\u5316\u9700\u6c42\u7684\u63a8\u52a8\uff0c\u6570\u636e\u7c7b\u578b\u4ece\u7ed3\u6784\u5316\u5411\u534a\/\u975e\u7ed3\u6784\u5316\u9010\u6e10\u8fc7\u6e21\uff0c\u5b58\u50a8\u7cfb\u7edf\u4e5f\u8981\u4ece\u5757\u8bbe\u5907\u5b58\u50a8\u8f6c\u5411\u6587\u4ef6\u3001\u5bf9\u8c61\u5b58\u50a8\u3002<\/p>\n<p>\u5728\u8fd9\u6837\u7684\u80cc\u666f\u4e0b\uff0c\u8f6f\u4ef6\u5b9a\u4e49\u5b58\u50a8\uff08Software Defined Storage\uff0cSDS\uff09\u5e94\u8fd0\u800c\u751f\u3002SDS\u5f80\u5f80\u91c7\u7528\u5206\u5e03\u5f0f\u7684\u67b6\u6784\uff0c\u53ef\u4ee5\u5411\u4e0a\u63d0\u4f9b\u5757\u3001\u6587\u4ef6\u6216\u5bf9\u8c61\u5b58\u50a8\u670d\u52a1\uff0c\u901a\u8fc7\u8f6f\u4ef6\u5c06\u63a7\u5236\u5e73\u9762\u4e0e\u6570\u636e\u5e73\u9762\u5206\u79bb\u5f00\u6765\uff0c\u6210\u529f\u5b9e\u73b0\u4e86\u8d44\u6e90\u7684\u7075\u6d3b\u63a7\u5236\u3002\u8fd9\u79cd\u65b9\u5f0f\u63d0\u9ad8\u6574\u4e2a\u7cfb\u7edf\u7684\u5bb9\u9519\u6027\uff0c\u5c06\u901a\u7528\u786c\u4ef6\u5f15\u5165\u7684\u4e0d\u7a33\u5b9a\u56e0\u7d20\u964d\u5230\u6700\u4f4e\u3002<\/p>\n<p><strong>3.2 \u8f6f\u4ef6\u5b9a\u4e49\u5b58\u50a8\u7684\u53d1\u5c55\u548c\u7279\u70b9<\/strong><\/p>\n<p>\u5728\u5168\u7403\u7f51\u7edc\u5b58\u50a8\u5de5\u4e1a\u534f\u4f1a\uff08Storage Networking Industry Assiociation, SNIA\uff09\u7684\u5b9a\u4e49\u4e2d\uff0cSDS\u662f\u5e26\u6709\u670d\u52a1\u7ba1\u7406\u63a5\u53e3\u7684\u865a\u62df\u5316\u5b58\u50a8\uff0c\u5305\u62ec\u4e86\u5177\u6709\u6570\u636e\u670d\u52a1\u7279\u6027\u7684\u5b58\u50a8\u6c60\uff0c\u8fd9\u4e9b\u670d\u52a1\u7279\u6027\u53ef\u4ee5\u901a\u8fc7\u670d\u52a1\u7ba1\u7406\u63a5\u53e3\u53bb\u5b9e\u73b0\uff0c\u4ece\u800c\u6ee1\u8db3\u9700\u6c42\u3002<\/p>\n<p><strong>3.1.1 \u8f6f\u4ef6\u5b9a\u4e49\u5b58\u50a8\u53d1\u5c55\u7684\u4e09\u4e2a\u65b9\u9762<\/strong><\/p>\n<p>\u4f7f\u7528\u8f6f\u4ef6\u7ba1\u7406\u786c\u4ef6\u8d44\u6e90\u662f\u4e00\u4e2a\u7684\u8fc7\u7a0b\uff0c\u9700\u8981\u5c06\u786c\u4ef6\u4e0e\u8f6f\u4ef6\u89e3\u8026\uff0c\u5c06\u786c\u4ef6\u8d44\u6e90\u4ee5\u670d\u52a1\u7684\u65b9\u5f0f\u9010\u6b65\u5f00\u653e\u7ed9\u5e94\u7528\u5c42\uff0c\u624d\u80fd\u5206\u9636\u6bb5\u5730\u6ee1\u8db3\u5e94\u7528\u5bf9\u8d44\u6e90\u7684\u4e0d\u540c\u7a0b\u5ea6\u7684\u7075\u6d3b\u8c03\u7528\u3002\u4e3a\u4e86\u63d0\u5347\u5b58\u50a8\u8d44\u6e90\u7684\u6027\u80fd\u3001\u5229\u7528\u6548\u7387\u548c\u89e3\u51b3\u7edf\u4e00\u7ba1\u7406\u7684\u95ee\u9898\uff0cSDS\u5c06\u8fd9\u4e00\u8fc7\u7a0b\u5206\u4e3a\u62bd\u8c61\u5316\u3001\u6c60\u5316\u548c\u81ea\u52a8\u5316\u4e09\u4e2a\u9636\u6bb5\u3002<\/p>\n<p>1.\u5b58\u50a8\u7cfb\u7edf\u7684\u62bd\u8c61\u5316<\/p>\n<p>\u5b58\u50a8\u7684\u62bd\u8c61\u5316\u662f\u6307\u5c06\u670d\u52a1\u4e0e\u786c\u4ef6\u4e4b\u95f4\u7684\u5bf9\u5e94\u5173\u7cfb\u5265\u79bb\u5f00\u6765\uff0c\u6253\u7834\u58c1\u5792\uff0c\u8fbe\u5230\u8d44\u6e90\u5171\u4eab\u3002\u4e0d\u540c\u5382\u5546\u7684\u5b58\u50a8\u7ba1\u7406\u8f6f\u4ef6\u901a\u8fc7\u7edf\u4e00\u7684\u884c\u4e1a\u6807\u51c6\u6765\u7ba1\u7406\u5b58\u50a8\u7684\u8d44\u6e90\uff0c\u4ece\u800c\u907f\u514d\u88ab\u5355\u4e00\u5382\u5546\u6240\u5784\u65ad\u6216\u8005\u4e0d\u540c\u5382\u5546\u4e4b\u95f4\u7684\u7ba1\u7406\u590d\u6742\u3001\u7ef4\u62a4\u56f0\u96be\u7b49\u95ee\u9898\u3002\u4ece\u672c\u8d28\u4e0a\u8bf4\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u662f\u5c06\u786c\u4ef6\u4e4b\u95f4\u5dee\u5f02\u9690\u85cf\u4e86\u8d77\u6765\uff0c\u5e76\u4e0e\u4e0a\u5c42\u9694\u79bb\u3002\u7531\u9876\u81f3\u4e0b\uff0c\u53ea\u80fd\u770b\u5230\u6807\u51c6\u5316\u7684\u901a\u7528\u786c\u4ef6\uff0c\u5ffd\u7565\u4e86\u54c1\u724c\u4e4b\u95f4\u7684\u5dee\u5f02\u3002<\/p>\n<p>2.\u5b58\u50a8\u7cfb\u7edf\u7684\u6c60\u5316<\/p>\n<p>\u5b58\u50a8\u7cfb\u7edf\u7684\u6c60\u5316\u662f\u6307\u5bf9\u786c\u4ef6\u8fdb\u884c\u7edf\u4e00\u7684\u7ba1\u7406\u3001\u5206\u914d\u548c\u8c03\u5ea6\u3002SDS\u5c06\u8d44\u6e90\u865a\u62df\u5316\u6210\u4e3a\u5b58\u50a8\u6c60\uff0c\u4ece\u5916\u9762\u770b\u662f\u4e00\u4e2a\u7edf\u4e00\u7684\u3001\u5b8c\u6574\u7684\u5b58\u50a8\u8bbe\u5907\u3002SDS\u53ef\u4ee5\u57fa\u4e8e\u670d\u52a1\u5668\u3001\u7f51\u7edc\u6216\u8005\u5b58\u50a8\u5b50\u7cfb\u7edf\u4e09\u4e2a\u5c42\u9762\u8fdb\u884c\u865a\u62df\u5316\u3002\u57fa\u4e8e\u670d\u52a1\u5668\u7684\u865a\u62df\u5316\u53ef\u4ee5\u8de8\u8d8a\u4e0d\u540c\u7684\u78c1\u76d8\u4ecb\u8d28\u3002\u57fa\u4e8e\u7f51\u7edc\u7684\u865a\u62df\u5316\u5219\u4e3b\u8981\u662f\u5728\u4e0d\u540c\u67b6\u6784\u5b58\u50a8\u7cfb\u7edf\u4e4b\u95f4\u8fdb\u884c\u7edf\u4e00\u7684\u7ba1\u7406\u3002SDS\u4e5f\u53ef\u4ee5\u5728\u5b58\u50a8\u5b50\u7cfb\u7edf\u4e0a\u8fdb\u884c\u865a\u62df\u5316\uff0c\u5b9e\u73b0\u7cbe\u7b80\u914d\u7f6e\u548c\u5b58\u50a8\u8d44\u6e90\u7684\u7075\u6d3b\u8c03\u7528\u3002<\/p>\n<p>3.\u5b58\u50a8\u7cfb\u7edf\u7684\u81ea\u52a8\u5316<\/p>\n<p>SDS\u7684\u81ea\u52a8\u5316\u662f\u6307\u5b58\u50a8\u7cfb\u7edf\u53ef\u4ee5\u6839\u636e\u4e1a\u52a1\u573a\u666f\uff0c\u901a\u8fc7\u4e00\u5b9a\u7684\u7b56\u7565\u53bb\u81ea\u52a8\u90e8\u7f72\u6240\u9700\u8981\u7684\u5b58\u50a8\u8d44\u6e90\uff0c\u63d0\u4f9b\u4e1a\u52a1\u6240\u9700\u8981\u7684\u6570\u636e\u670d\u52a1\u7ea7\u522b\u3002\u901a\u8fc7SDS\u63d0\u4f9b\u7684\u63a5\u53e3\uff0c\u5b58\u50a8\u7cfb\u7edf\u5c06\u63a7\u5236\u5c42\u548c\u6570\u636e\u5c42\u5206\u79bb\uff0c\u5b9e\u73b0\u4e86\u9ad8\u5ea6\u81ea\u52a8\u5316\uff0c\u4ece\u800c\u4e3a\u4f01\u4e1a\u63d0\u4f9b\u4e86\u66f4\u52a0\u9ad8\u6548\u3001\u7075\u6d3b\u7684\u5b58\u50a8\u67b6\u6784\uff0c\u4e5f\u964d\u4f4e\u4e86\u8fd0\u7ef4\u590d\u6742\u5ea6\u548c\u6210\u672c\u3002<\/p>\n<p><strong>3.1.2 \u8f6f\u4ef6\u5b9a\u4e49\u5b58\u50a8\u7684\u7279\u70b9<\/strong><\/p>\n<p>\u7b80\u800c\u8a00\u4e4b\uff0cSDS\u5c31\u662f\u66f4\u591a\u5730\u7531\u8f6f\u4ef6\u6765\u9a71\u52a8\u5e76\u63a7\u5236\u786c\u4ef6\u8d44\u6e90\uff0c\u5e76\u4ee5\u670d\u52a1\u7684\u5f62\u5f0f\u63d0\u4f9b\u652f\u6301\u3002SDS\u901a\u5e38\u6709\u5982\u4e0b\u51e0\u4e2a\u7279\u70b9\uff1a<\/p>\n<p>1. SDS\u91c7\u7528\u5206\u5e03\u5f0f\u67b6\u6784<\/p>\n<p>\u7531\u4e8eSDS\u901a\u5e38\u91c7\u7528\u5206\u5e03\u5f0f\u7684\u67b6\u6784\uff0c\u56e0\u800c\u76f8\u5bf9\u5e94\u5730\u7ee7\u627f\u4e86\u9ad8\u6027\u80fd\u548c\u7075\u6d3b\u7684\u4f18\u70b9\u3002\u5728\u4f7f\u7528\u4e2d\uff0cSDS\u53ef\u9884\u4f30\u548c\u5b9e\u73b0\u8ba1\u7b97\u3001\u6027\u80fd\u548c\u5b58\u50a8\u5bb9\u91cf\u7684\u5f39\u6027\u6269\u5c55\uff0c\u5e76\u4e14\u5177\u6709\u4ee5\u4e0b\u7279\u6027\uff1a\u8282\u70b9\u6269\u5c55\u540e\uff0c\u7cfb\u7edf\u4f1a\u81ea\u52a8\u8d1f\u8f7d\u5747\u8861\uff0c\u907f\u514d\u5355\u70b9\u8fc7\u70ed\uff1b\u5b9e\u73b0\u5f39\u6027\u6269\u5c55\u8fc7\u7a0b\u4e2d\u4e0d\u4f1a\u5bf9\u4e1a\u52a1\u9020\u6210\u5f71\u54cd\uff1b\u5728\u96c6\u7fa4\u5f39\u6027\u6269\u5c55\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6027\u80fd\u5177\u6709\u7ebf\u6027\u5316\u7684\u7279\u70b9\u3002<\/p>\n<p>\u5f52\u529f\u4e8e\u5206\u5e03\u5f0f\u7684\u7279\u70b9\uff0c\u65e0\u8bba\u662f\u8981\u4ee5\u4f4e\u4ef7\u683c\u83b7\u5f97\u666e\u901a\u7684\u6027\u80fd\u8fd8\u662f\u8981\u4ee5\u8f83\u9ad8\u7684\u4ef7\u683c\u83b7\u5f97\u6781\u9ad8\u7684\u6027\u80fd\uff0c\u8f6f\u4ef6\u5b9a\u4e49\u5b58\u50a8\u90fd\u80fd\u591f\u6ee1\u8db3\u3002\u52a0\u4e0a\u5148\u8fdb\u7684\u8bfb\u5199\u7f13\u5b58\u6280\u672f\uff0c\u8f6f\u4ef6\u5b9a\u4e49\u5b58\u50a8\u76f8\u6bd4\u4f20\u7edf\u5b58\u50a8\u5177\u6709\u8d85\u9ad8\u7684\u6027\u4ef7\u6bd4\u3002<\/p>\n<p>2. SDS\u652f\u6301\u5206\u7ea7\u5b58\u50a8<\/p>\n<p>\u7531\u4e8e\u901a\u8fc7\u7f51\u7edc\u8fdb\u884c\u677e\u8026\u5408\u94fe\u63a5\uff0cSDS\u5141\u8bb8\u9ad8\u3001\u4f4e\u901f\u5b58\u50a8\u5206\u5f00\u90e8\u7f72\uff0c\u6216\u8005\u4efb\u610f\u6bd4\u4f8b\u6df7\u5e03\u3002\u5206\u5c42\u5b58\u50a8\u7684\u4f18\u52bf\u5728\u4e0d\u53ef\u9884\u6d4b\u7684\u4e1a\u52a1\u73af\u5883\u6216\u8005\u654f\u6377\u5e94\u7528\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u53d1\u6325\u5230\u6700\u4f73\u3002<\/p>\n<p>3. SDS\u7684\u9ad8\u53ef\u9760<\/p>\n<p>\u4e0e\u4f20\u7edf\u7684\u5b58\u50a8\u67b6\u6784\u4f7f\u7528RAID\u6a21\u5f0f\u6765\u4fdd\u8bc1\u6570\u636e\u7684\u53ef\u9760\u6027\u4e0d\u540c\uff0cSDS\u91c7\u7528\u4e86\u591a\u526f\u672c\u5907\u4efd\u673a\u5236\u3002\u4e3a\u4e86\u4fdd\u8bc1\u591a\u4e2a\u6570\u636e\u526f\u672c\u4e4b\u95f4\u7684\u4e00\u81f4\u6027\uff0cSDS\u901a\u5e38\u91c7\u7528\u7684\u662f\u4e00\u4e2a\u526f\u672c\u5199\u5165\uff0c\u591a\u4e2a\u526f\u672c\u8bfb\u53d6\u7684\u5f3a\u4e00\u81f4\u6027\u6280\u672f\u3002\u5728\u8bfb\u53d6\u6570\u636e\u5931\u8d25\u7684\u65f6\u5019\uff0c\u7cfb\u7edf\u53ef\u4ee5\u901a\u8fc7\u4ece\u5176\u4ed6\u526f\u672c\u8bfb\u53d6\u6570\u636e\uff0c\u91cd\u65b0\u5199\u5165\u8be5\u526f\u672c\u8fdb\u884c\u6062\u590d\uff0c\u4ece\u800c\u4fdd\u8bc1\u526f\u672c\u7684\u603b\u6570\u56fa\u5b9a\uff1b\u5f53\u6570\u636e\u957f\u65f6\u95f4\u5904\u4e8e\u4e0d\u4e00\u81f4\u72b6\u6001\u65f6\uff0c\u7cfb\u7edf\u4f1a\u81ea\u52a8\u6570\u636e\u91cd\u5efa\u6062\u590d\uff0c\u540c\u65f6\u79df\u6237\u53ef\u8bbe\u5b9a\u6570\u636e\u6062\u590d\u7684\u5e26\u5bbd\u89c4\u5219\uff0c\u6700\u5c0f\u5316\u5bf9\u4e1a\u52a1\u7684\u5f71\u54cd\u3002<\/p>\n<p>4. SDS\u7684\u5f3a\u517c\u5bb9\u6027<\/p>\n<p>\u968f\u7740SDS\u7684\u53d1\u5c55\uff0c\u5b58\u50a8\u884c\u4e1a\u7684\u6807\u51c6\u5316\u8fdb\u7a0b\u4e5f\u4e0d\u65ad\u63a8\u8fdb\u3002\u5728\u4e91\u8ba1\u7b97\u6f6e\u6d41\u4e2d\uff0cSDS\u4e5f\u80fd\u591f\u5f88\u597d\u5730\u517c\u5bb9\u5404\u79cd\u4e91\u5e73\u53f0\uff0c\u4e3a\u5176\u63d0\u4f9b\u540e\u7aef\u5b58\u50a8\u670d\u52a1\u3002\u540c\u65f6\uff0cSDS\u4f18\u5148\u91c7\u7528\u884c\u4e1a\u6807\u51c6\u63a5\u53e3\uff08SMI-S\uff09\u8fdb\u884c\u5b58\u50a8\u63a5\u5165\u3002\u5728\u5e73\u53f0\u5c42\u9762\uff0c\u901a\u8fc7\u5c06\u5f02\u6784\u5b58\u50a8\u8d44\u6e90\u8fdb\u884c\u62bd\u8c61\u5316\uff0c\u4ee5\u5b9e\u73b0\u5b58\u50a8\u8d44\u6e90\u7684\u96c6\u4e2d\u7ba1\u7406\uff0c\u5e76\u80fd\u591f\u81ea\u52a8\u6267\u884c\u521b\u5efa\u3001\u53d8\u66f4\u3001\u56de\u6536\u7b49\u6574\u4e2a\u5b58\u50a8\u751f\u547d\u5468\u671f\u6d41\u7a0b\u3002\u57fa\u4e8e\u5f02\u6784\u5b58\u50a8\u6574\u5408\u7684\u529f\u80fd\uff0c\u7528\u6237\u53ef\u4ee5\u5b9e\u73b0\u8de8\u54c1\u724c\u3001\u4ecb\u8d28\u7684\u5bb9\u707e\u5907\u4efd\uff0c\u76f8\u5e94\u964d\u4f4e\u4e86\u5b58\u50a8\u91c7\u8d2d\u548c\u7ba1\u7406\u6210\u672c\u3002<\/p>\n<p>\u5206\u5e03\u5f0f\u5b58\u50a8\u6280\u672f\u53ca\u5176\u8f6f\u4ef6\u4ea7\u54c1\u5df2\u7ecf\u65e5\u8d8b\u6210\u719f\uff0c\u5e76\u5728\u5404\u884c\u5404\u4e1a\u7684\u6570\u636e\u4e2d\u5fc3\u4e2d\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u4f7f\u7528\u548c\u9a8c\u8bc1\u3002<\/p>\n<p><strong>3.3 \u73b0\u6709\u4e1a\u754c\u4e3b\u6d41SDS\u4ea7\u54c1\u4ecb\u7ecd<\/strong><\/p>\n<p><strong>3.3.1 \u5f00\u6e90Ceph<\/strong><\/p>\n<p>Ceph\u662f\u6700\u65e9\u81f4\u529b\u4e8e\u5f00\u53d1\u4e0b\u4e00\u4ee3\u9ad8\u6027\u80fd\u5206\u5e03\u5f0f\u5b58\u50a8\u7cfb\u7edf\u7684\u5f00\u6e90\u9879\u76ee\u3002\u9664\u4e86\u5206\u5e03\u5f0f\u7cfb\u7edf\u6700\u57fa\u672c\u7684\u7279\u6027\uff0cCeph\u8fd8\u62e5\u6709\u5927\u89c4\u6a21\u53ef\u6269\u5c55\uff08PB\u3001\u751a\u81f3EB\u7ea7\u7684\u5b58\u50a8\u7a7a\u95f4\uff09\u3001\u57fa\u4e8eCRUSH\u7b97\u6cd5\u7684\u81ea\u6211\u7ba1\u7406\u548c\u4fee\u590d\u3001\u7075\u6d3b\u7684\u67b6\u6784\u7b49\u4f18\u70b9\uff0c\u5e76\u4e14\u652f\u6301OpenStack\u3001CloudStack\u3001OpenNebula\u3001Hadoop\u7b49\u4e91\u5e73\u53f0\u3002\u8fd9\u4f7f\u5176\u8fc5\u901f\u83b7\u5f97\u5f00\u6e90\u793e\u533a\u7684\u8ba4\u53ef\uff0c\u6210\u4e3a\u6700\u5e7f\u6cdb\u7684\u5f00\u6e90\u9879\u76ee\u4e4b\u4e00\uff0c\u5f97\u5230\u4f17\u591aIT\u5382\u5546\u652f\u6301\u7684\u534f\u540c\u5f00\u53d1\uff0c\u5982Intel\u3001SUSE\u3001RedHat\u3001SanDisk\u3001CISCO\u3001Yahoo\u7b49\u3002<\/p>\n<p>Ceph\u662f\u7edf\u4e00\u5206\u5e03\u5f0f\u5b58\u50a8\u7cfb\u7edf\uff0c\u5177\u6709\u4f18\u5f02\u7684\u6027\u80fd\u3001\u53ef\u9760\u6027\u3001\u53ef\u6269\u5c55\u6027\u3002Ceph\u7684\u67b6\u6784\u5982\u56fe3-1\u6240\u793a\uff0cCeph\u7684\u6838\u5fc3\u662fRADOS\uff0c\u5b83\u662f\u5206\u5e03\u5f0f\u5bf9\u8c61\u5b58\u50a8\u7cfb\u7edf\uff0c\u7531\u81ea\u4fee\u590d\u3001\u81ea\u7ba1\u7406\u3001\u667a\u80fd\u7684\u5b58\u50a8\u8282\u70b9\u7ec4\u6210\u3002RADOS\u4f5c\u4e3a\u6570\u636e\u6301\u4e45\u5c42\uff0cCeph\u5728LibRADOS\u4e2d\u5c01\u88c5\u4e86\u9762\u5411RADOS\u96c6\u7fa4\u7684\u64cd\u4f5c\uff0c\u50cf\u5757\u8bbe\u5907\u63a5\u53e3\uff08RBD\uff09\u3001\u5bf9\u8c61\u5b58\u50a8\u63a5\u53e3\uff08RADOS Gateway\uff09\u3001\u6587\u4ef6\u5b58\u50a8\u63a5\u53e3\uff08POSIX\u63a5\u53e3\uff09\u7b49\uff0c\u4f7f\u5f97\u4efb\u610f\u5ba2\u6237\u7aef\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u6570\u636e\u8282\u70b9\uff0c\u4ece\u800c\u63d0\u4f9b\u5e7f\u6cdb\u7684\u57fa\u4e8e\u6587\u4ef6\u3001\u5bf9\u8c61\u548c\u5757\u8bbe\u5907\u7684\u5b58\u50a8\u670d\u52a1\u3002RADOS\u7684\u6838\u5fc3\u662f\u4e00\u4e2a\u53ef\u6269\u5c55\u7684\u4f2a\u968f\u673a\u6570\u636e\u5206\u5e03\u7b97\u6cd5\uff08CRUSH\uff09\u3002CRUSH\u80fd\u591f\u6709\u6548\u6620\u5c04\u6570\u636e\u5bf9\u8c61\u5230\u5b58\u50a8\u8282\u70b9\u4e0a\uff0c\u800c\u4e14\u80fd\u591f\u5904\u7406\u7cfb\u7edf\u7684\u6269\u5c55\u548c\u786c\u4ef6\u5931\u6548\uff0cCRUSH\u7b97\u6cd5\u8fbe\u5230\u4e86\u6548\u7387\u548c\u6269\u5c55\u6027\u8fd9\u4e24\u4e2a\u77db\u76fe\u7684\u76ee\u6807\u3002<\/p>\n<p><a rel=\"nofollow\" href=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98096.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-42955\" src=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98096.png\" alt=\"%e5%b1%8f%e5%b9%95%e5%bf%ab%e7%85%a7-2016-12-27-%e4%b8%8a%e5%8d%889-27-44\" width=\"434\" height=\"295\" srcset=\"https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98096.png 434w, https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98096.png?x-oss-process=image%2Fquality,q_50%2Fresize,m_fill,w_300,h_204 300w\" sizes=\"(max-width: 434px) 100vw, 434px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">\u56fe 3-1 Ceph\u5b58\u50a8\u67b6\u6784\u56fe<\/p>\n<p><strong>3.3.2 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\u56fd\u5185\u9ad8\u6821SDS<\/strong><\/p>\n<p>\u4f5c\u4e3a\u672a\u6765\u5b58\u50a8\u7684\u800c\u53d1\u5c55\u8d8b\u52bf\uff0c\u8f6f\u4ef6\u5b9a\u4e49\u5b58\u50a8\u4e5f\u5438\u5f15\u4e86\u56fd\u5185\u5916\u9ad8\u6821\u7684\u5e7f\u6cdb\u5173\u6ce8\uff0c\u56fd\u5185\u90e8\u5206\u9ad8\u6821\u63a8\u52a8\u4ea7\u5b66\u7ed3\u5408\uff0c\u9762\u5411\u4e91\u8ba1\u7b97\u6570\u636e\u4e2d\u5fc3\u800c\u7814\u53d1\u4e86\u5927\u89c4\u6a21\u5b58\u50a8\u7cfb\u7edf\u3002<\/p>\n<p>\u9ad8\u6821SDS\u5728\u7cfb\u7edf\u67b6\u6784\u4e0a\u5b9e\u73b0\u4e86\u201c\u5206\u5e03\u5b58\u50a8\u3001\u96c6\u4e2d\u7ba1\u7406\u201d\u7684\u7406\u5ff5\u3002\u7cfb\u7edf\u8f6f\u4ef6\u7ec4\u4ef6\u7531\u76d1\u63a7\u670d\u52a1\u5668\u3001\u6570\u636e\u670d\u52a1\u5668\u3001\u5ba2\u6237\u7aef\u7ec4\u6210\uff0c\u5b9e\u73b0\u96c6\u4e2d\u5316\u7684\u7cfb\u7edf\u914d\u7f6e\u3001\u7ba1\u7406\u3001\u72b6\u6001\u76d1\u63a7\uff0c\u5e76\u8d1f\u8d23\u7cfb\u7edf\u62d3\u6251\u7684\u5b9e\u65f6\u76d1\u63a7\u548c\u8ba1\u7b97\u3002\u76d1\u63a7\u670d\u52a1\u5668\u90e8\u7f72\u5728\u4e24\u4e2a\u4e0d\u540c\u8282\u70b9\u4e0a\uff0c\u5b9e\u73b0\u9ad8\u53ef\u7528\uff0c\u5e76\u652f\u6301\u6570\u636e\u5f3a\u4e00\u81f4\u6027\u3002<\/p>\n<p>\u9ad8\u6821\u7248\u672c\u7684SDS\u7684\u4f18\u52bf\u5728\u4e8e\u6838\u5fc3\u6280\u672f\u7684\u9886\u5148\u6027\uff0c\u901a\u8fc7\u4f7f\u7528\u4e13\u7528\u7684Cache\u7ba1\u7406\u7b97\u6cd5\uff0c\u907f\u514d\u7531\u4e8e\u65ad\u7535\u7b49\u6545\u969c\u5f15\u8d77\u6570\u636e\u4e22\u5931\u3002\u5728\u6570\u636e\u8bfb\u5199\u8fc7\u7a0b\u4e2d\uff0c\u9ad8\u6821SDS\u5468\u671f\u6027\u68c0\u67e5\u5e76\u4fee\u590d\u635f\u574f\u7684\u526f\u672c\uff0c\u5e76\u4e14\u652f\u6301\u5dee\u5f02\u5316\u6570\u636e\u4fdd\u62a4\u7b56\u7565\uff0c\u53ef\u4ee5\u5728\u540c\u4e00\u5b58\u50a8\u6c60\u4e2d\u4e3a\u6bcf\u4e2a\u903b\u8f91\u5377\u8bbe\u5b9a\u4e0d\u540c\u7684\u526f\u672c\u6570\uff0c\u517c\u987e\u6570\u636e\u5bb9\u9519\u548c\u5b58\u50a8\u7a7a\u95f4\u5229\u7528\u7387\u3002\u9ad8\u6821SDS\u8fd8\u63d0\u4f9b\u4e86fsck\u5de5\u5177\uff0c\u53ef\u4ee5\u5bf9\u5168\u7cfb\u7edf\u3001\u6307\u5b9a\u7684\u5b58\u50a8\u6c60\u6216\u5377\u8fdb\u884c\u4e00\u81f4\u6027\u68c0\u67e5\uff0c\u5e76\u8fdb\u884c\u4fee\u590d\u3002<\/p>\n<p>\u9ad8\u6821SDS\u5728\u901a\u4fe1\u534f\u8bae\u8bbe\u8ba1\u3001\u7f16\u89e3\u7801\u65b9\u5f0f\u3001\u7f13\u5b58\u7ba1\u7406\u7b97\u6cd5\u3001I\/O\u8c03\u5ea6\u3001\u591a\u7ebf\u7a0b\u548cI\/O\u5e76\u53d1\u6027\u3001\u57fa\u4e8e\u96f6\u62f7\u8d1d\u7684\u7f13\u51b2\u533a\u7ba1\u7406\u7b49\u591a\u4e2a\u5173\u952e\u73af\u8282\u90fd\u8fdb\u884c\u4e86\u4f18\u5316\u8bbe\u8ba1\uff0c\u4f7f\u5f97\u5b58\u50a8\u7cfb\u7edf\u53ef\u4ee5\u5145\u5206\u5c55\u73b0\u786c\u4ef6\u7684\u6027\u80fd\uff0c\u6ee1\u8db3\u4e91\u8ba1\u7b97\u6570\u636e\u4e2d\u5fc3\u865a\u62df\u673a\u3001\u6570\u636e\u5e93\u7b49\u4e1a\u52a1\u5bf9\u9ad8IOPS\u548c\u4f4e\u5ef6\u8fdf\u7684\u6027\u80fd\u8981\u6c42\u3002<\/p>\n<p><strong>4. SDS\u5728\u91d1\u878d\u884c\u4e1a\u5e94\u7528\u8bc4\u6d4b\u53ca\u5206\u6790<\/strong><\/p>\n<p>\u4e3a\u9762\u5411\u91d1\u878d\u884c\u4e1a\u7684\u4e91\u8ba1\u7b97\u6570\u636e\u4e2d\u5fc3\u5efa\u8bbe\u65b9\u6848\u63d0\u4f9b\u524d\u6cbf\u6027\u6307\u5bfc\uff0c\u4e2d\u56fd\u94f6\u8054\u7535\u5b50\u5546\u52a1\u4e0e\u7535\u5b50\u652f\u4ed8\u56fd\u5bb6\u5de5\u7a0b\u5b9e\u9a8c\u5ba4\u5728\u6df1\u5165\u7814\u7a76\u73b0\u6709\u5b58\u50a8\u6280\u672f\u7684\u57fa\u7840\u4e0a\uff0c\u7ed3\u5408\u5bf9\u91d1\u878d\u884c\u4e1a\u5b58\u50a8\u9700\u6c42\u7684\u5206\u6790\uff0c\u7f16\u5236\u4e86SDS\u5b58\u50a8\u6d4b\u8bd5\u6807\u51c6\uff0c\u5e76\u53c2\u7167\u6d4b\u8bd5\u6807\u51c6\u9488\u5bf9\u90e8\u5206\u76ee\u524d\u4e3b\u6d41\u7684SDS\u4ea7\u54c1\uff08\u5f00\u6e90Ceph\u3001\u5546\u4e1a\u7248\u672c\u548c\u9ad8\u6821\u7248\u672c\uff09\u8fdb\u884c\u6d4b\u8bd5\u4e0e\u8bc4\u4f30\u3002<\/p>\n<p><strong>4.1\u8bc4\u6d4b\u8303\u56f4<\/strong><\/p>\n<p>\u7ed3\u5408\u91d1\u878d\u884c\u4e1a\u7684\u5e94\u7528\u80cc\u666f\uff0c\u8003\u8651\u5230\u5b58\u50a8\u7cfb\u7edf\u5728\u5b9e\u8df5\u4e2d\u4f7f\u7528\u7684\u666e\u904d\u60c5\u51b5\uff0c\u4e2d\u56fd\u94f6\u8054\u7535\u5b50\u5546\u52a1\u4e0e\u7535\u5b50\u652f\u4ed8\u56fd\u5bb6\u5de5\u7a0b\u5b9e\u9a8c\u5ba4\u4ece\u529f\u80fd\u6027\u3001\u7cfb\u7edf\u6027\u80fd\u3001\u53ef\u6269\u5c55\u6027\u3001\u9ad8\u53ef\u7528\u6027\u3001\u6613\u7ef4\u62a4\u6027\u4e94\u4e2a\u65b9\u9762\u51fa\u53d1\uff0c\u5236\u5b9a\u4e86\u8bc4\u6d4b\u6807\u51c6\u3002<\/p>\n<p>\u5177\u4f53\u7684\u8bc4\u6d4b\u65b9\u6cd5\u5206\u4e3a\u4e24\u7c7b\uff1a\u9a8c\u8bc1\u6d4b\u8bd5\u4e0e\u7528\u4f8b\u6d4b\u8bd5\u3002\u5176\u4e2d\uff0c\u5b9a\u6027\u7684\u6307\u6807\u901a\u8fc7\u9a8c\u8bc1\u6d4b\u8bd5\u8fdb\u884c\u8bc4\u6d4b\uff0c\u5b9a\u91cf\u7684\u6307\u6807\u901a\u8fc7\u73b0\u6709\u5de5\u5177\u6216\u7f16\u5199\u7684\u811a\u672c\u7a0b\u5e8f\u8fdb\u884c\u7528\u4f8b\u6d4b\u8bd5\u3002\u5177\u4f53\u8bc4\u6d4b\u8303\u56f4\u5982\u4e0b\uff1a<\/p>\n<p>1.\u7cfb\u7edf\u529f\u80fd<\/p>\n<p>\u9488\u5bf9\u7cfb\u7edf\u7684\u529f\u80fd\u5b8c\u5907\u6027\u8fdb\u884c\u8bc4\u6d4b\uff0c\u9a8c\u8bc1\u7cfb\u7edf\u662f\u5426\u80fd\u591f\u652f\u6301\u4e1a\u52a1\u7684\u6b63\u5e38\u8fd0\u884c\uff0c\u5305\u62ec\u76d1\u63a7\u96c6\u7fa4\u72b6\u6001\u3001\u7ba1\u7406\u7528\u6237\u8d26\u6237\u3001\u521b\u5efa\u589e\u52a0\u96c6\u7fa4\u6216\u8282\u70b9\u3001\u652f\u6301\u903b\u8f91\u5377\u5c42\u9762\u7684\u64cd\u4f5c\u3001\u5177\u6709\u5feb\u7167\u4e0e\u514b\u9686\u7684\u529f\u80fd\u3002<\/p>\n<p>2.\u7cfb\u7edf\u6027\u80fd<\/p>\n<p>\u9488\u5bf9\u7cfb\u7edf\u7684\u987a\u5e8f\u8bfb\u5199\u548c\u968f\u673a\u8bfb\u5199\u6027\u80fd\u8fdb\u884c\u8bc4\u6d4b\uff0c\u9a8c\u8bc1\u5b58\u50a8\u7cfb\u7edf\u662f\u5426\u80fd\u591f\u63d0\u4f9b\u8f83\u9ad8\u7684IOPS\u548c\u5e26\u5bbd\u6765\u5206\u522b\u6ee1\u8db3\u9ad8\u5e76\u53d1\u548c\u6570\u636e\u5206\u6790\u7684\u4e1a\u52a1\u9700\u6c42\u3002\u6d4b\u8bd5\u6307\u6807\u5305\u62ecIOPS\u3001\u5e26\u5bbd\u548c\u78c1\u76d8\u54cd\u5e94\u65f6\u95f4\u3002<\/p>\n<p>3.\u7cfb\u7edf\u53ef\u6269\u5c55\u6027<\/p>\n<p>\u9488\u5bf9\u7cfb\u7edf\u7684\u53ef\u6269\u5c55\u6027\u8fdb\u884c\u8bc4\u6d4b\uff0c\u9a8c\u8bc1\u5b58\u50a8\u7cfb\u7edf\u7cfb\u7edf\u662f\u5426\u80fd\u591f\u652f\u6301\u5f39\u6027\u6269\u5c55\uff0c\u5305\u62ec\u5728\u6269\u5c55\u8fc7\u7a0b\u4e2d\u662f\u5426\u80fd\u591f\u4e0d\u5f71\u54cd\u4e1a\u52a1\u7684\u6b63\u5e38\u8fd0\u884c\uff0c\u81ea\u52a8\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\uff0c\u6269\u5c55\u8fc7\u540e\u7684\u6027\u80fd\u662f\u5426\u80fd\u591f\u7ebf\u6027\u5316\u3002<\/p>\n<p>4.\u7cfb\u7edf\u9ad8\u53ef\u7528\u6027<\/p>\n<p>\u9488\u5bf9\u7cfb\u7edf\u7684\u9ad8\u53ef\u7528\u6027\u8fdb\u884c\u8bc4\u6d4b\uff0c\u9a8c\u8bc1\u5b58\u50a8\u7cfb\u7edf\u662f\u5426\u80fd\u591f\u6ee1\u8db3\u5355\u4e2a\u5b58\u50a8\u8282\u70b9\u7684\u6545\u969c\u4e0d\u4f1a\u9020\u6210\u5b58\u50a8\u7cfb\u7edf\u7684\u762b\u75ea\uff0c\u800c\u5168\u5c40\u6545\u969c\u4e0d\u4f1a\u635f\u5bb3\u6570\u636e\u7684\u5b8c\u6574\u6027\uff0c\u5305\u62ec\u5355\u76d8\u6545\u969c\u3001\u5355\u8282\u70b9\u6545\u969c\u548c\u96c6\u7fa4\u6545\u969c\u3002<\/p>\n<p>5.\u7cfb\u7edf\u7684\u53ef\u7ef4\u62a4\u6027<\/p>\n<p>\u9488\u5bf9\u7cfb\u7edf\u7684\u53ef\u7ef4\u62a4\u6027\u8fdb\u884c\u8bc4\u6d4b\uff0c\u5305\u62ec\u5b58\u50a8\u7cfb\u7edf\u662f\u5426\u6709\u53ef\u89c6\u5316\u7ba1\u7406\u7684\u754c\u9762\uff0c\u4f7f\u5f97\u7528\u6237\u80fd\u5feb\u901f\u638c\u63a7\u786c\u4ef6\u4fe1\u606f\uff1b\u662f\u5426\u652f\u6301\u4fdd\u62a4\u57df\u3001\u5b58\u50a8\u6c60\u7684\u5206\u5c42\u8bbe\u8ba1\u4f7f\u5f97\u7528\u6237\u8f7b\u677e\u5e94\u5bf9\u8d44\u6e90\u89c4\u5212\uff1b\u662f\u5426\u5177\u6709\u4e30\u5bcc\u7684API\u3001\u547d\u4ee4\u884c\u3001\u65e5\u5fd7\u548c\u544a\u8b66\u529f\u80fd\u5e2e\u52a9\u7528\u6237\u8fc5\u901f\u5b9a\u4f4d\u5e76\u89e3\u51b3\u5b58\u50a8\u96c6\u7fa4\u7cfb\u7edf\u4e2d\u7684\u5404\u79cd\u7a81\u53d1\u72b6\u51b5\u3002<\/p>\n<p><strong>4.2\u8bc4\u6d4b\u73af\u5883\u7684\u51c6\u5907<\/strong><\/p>\n<p>\u672c\u6b21\u6d4b\u8bd5\u73af\u5883\u5982\u4e0b\uff1a\u7531\u4e00\u4e2a\u4e07\u5146\u4ea4\u6362\u673a\u8fde\u63a510\u4e2a\u8282\u70b9\uff0c\u5206\u4e3a4\u4e2a\u5b58\u50a8\u8282\u70b9\u548c6\u4e2a\u8ba1\u7b97\u8282\u70b9\u3002\u901a\u8fc7\u5728\u8ba1\u7b97\u673a\u8282\u70b9\u4e0a\u5b89\u88c5FIO\u5de5\u5177\uff0c\u6a21\u62df\u4e0d\u540c\u5757\u5927\u5c0f\u53ca\u8bfb\u5199\u6a21\u5f0f\u7684I\/O\u538b\u529b\u3002<\/p>\n<p>\u6574\u4f53\u6d4b\u8bd5\u73af\u5883\u7684\u7684\u7f51\u7edc\u62d3\u6251\u5982\u56fe4-1\u6240\u793a\u3002\u5b58\u50a8\u8282\u70b9\u4e0e\u8ba1\u7b97\u8282\u70b9\u7684\u914d\u7f6e\u5177\u4f53\u5982\u88684-1\u548c\u88684-2\u6240\u793a\u3002<\/p>\n<p><a rel=\"nofollow\" href=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98010.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-42956\" src=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98010.png\" alt=\"%e5%b1%8f%e5%b9%95%e5%bf%ab%e7%85%a7-2016-12-27-%e4%b8%8a%e5%8d%889-28-31\" width=\"489\" height=\"225\" srcset=\"https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98010.png 489w, https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98010.png?x-oss-process=image%2Fquality,q_50%2Fresize,m_fill,w_300,h_138 300w\" sizes=\"(max-width: 489px) 100vw, 489px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">\u56fe 4-1 \u7269\u7406\u673a\u6d4b\u8bd5\u73af\u5883\u7f51\u7edc\u62d3\u6251\u56fe<\/p>\n<p style=\"text-align: center;\">\u8868 4-1 \u5b58\u50a8\u8282\u70b9\u786c\u4ef6\u914d\u7f6e<\/p>\n<p><a rel=\"nofollow\" href=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98057.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-42957\" src=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98057.png\" alt=\"%e5%b1%8f%e5%b9%95%e5%bf%ab%e7%85%a7-2016-12-27-%e4%b8%8a%e5%8d%889-28-49\" width=\"512\" height=\"204\" srcset=\"https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98057.png 512w, https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98057.png?x-oss-process=image%2Fquality,q_50%2Fresize,m_fill,w_300,h_120 300w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">\u8868 4-2 \u8ba1\u7b97\u8282\u70b9\u786c\u4ef6\u914d\u7f6e<\/p>\n<p><a rel=\"nofollow\" href=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98039.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-42958\" src=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98039.png\" alt=\"%e5%b1%8f%e5%b9%95%e5%bf%ab%e7%85%a7-2016-12-27-%e4%b8%8a%e5%8d%889-28-59\" width=\"465\" height=\"164\" srcset=\"https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98039.png 465w, https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98039.png?x-oss-process=image%2Fquality,q_50%2Fresize,m_fill,w_300,h_106 300w\" sizes=\"(max-width: 465px) 100vw, 465px\" \/><\/a><\/p>\n<p><strong>4.3 \u8bc4\u6d4b\u7ed3\u679c\u53ca\u5206\u6790<\/strong><\/p>\n<p><strong>4.3.1 \u529f\u80fd\u6d4b\u8bd5\u7ed3\u679c\u53ca\u5206\u6790<\/strong><\/p>\n<p>\u5728\u529f\u80fd\u6d4b\u8bd5\u73af\u8282\u4e2d\uff0c\u4e09\u4e2a\u4e0d\u540c\u7248\u672cSDS\u8f6f\u4ef6\u5c55\u73b0\u51fa\u4e86\u5728\u57fa\u672c\u4e1a\u52a1\u529f\u80fd\u4e0a\u7684\u5b8c\u5907\u6027\u3002\u4f5c\u4e3a\u4e1a\u754c\u4e3b\u6d41\u7684\u4ea7\u54c1\uff0c\u4e09\u6b3e\u4ea7\u54c1\u90fd\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u8003\u8651\u5230\u5e94\u7528\u573a\u666f\uff0c\u5728\u57fa\u7840\u73af\u5883\u76d1\u63a7\u53ca\u7528\u6237\u7ba1\u7406\u3001\u903b\u8f91\u5377\u7ba1\u7406\u548c\u5feb\u7167\u4e0e\u514b\u9686\u65b9\u9762\u63d0\u4f9b\u5b8c\u5907\u7684\u529f\u80fd\uff0c\u6ee1\u8db3\u7528\u6237\u5728\u5177\u4f53\u4f7f\u7528\u4e2d\u7684\u5404\u79cd\u4e1a\u52a1\u9700\u6c42\u3002\u6d4b\u8bd5\u7ed3\u679c\u8be6\u60c5\u89c1\u88684-3\u3002<\/p>\n<p style=\"text-align: center;\">\u8868 4-3 \u4e09\u4e2a\u4e0d\u540c\u7248\u672c\u7684SDS\u4ea7\u54c1\u4e1a\u52a1\u529f\u80fd\u6d4b\u8bd5\u7ed3\u679c<\/p>\n<p><a rel=\"nofollow\" href=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98020.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-42959\" src=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98020.png\" alt=\"%e5%b1%8f%e5%b9%95%e5%bf%ab%e7%85%a7-2016-12-27-%e4%b8%8a%e5%8d%889-30-53\" width=\"530\" height=\"518\" srcset=\"https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98020.png 530w, https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98020.png?x-oss-process=image%2Fquality,q_50%2Fresize,m_fill,w_300,h_293 300w\" sizes=\"(max-width: 530px) 100vw, 530px\" \/><\/a><\/p>\n<p><strong>4.3.2 \u6027\u80fd\u6d4b\u8bd5\u7ed3\u679c\u53ca\u5206\u6790<\/strong><\/p>\n<p>\u4e3a\u4e86\u5bf9\u7cfb\u7edf\u7684\u6027\u80fd\u5168\u9762\u5730\u8fdb\u884c\u8bc4\u4f30\uff0c\u672c\u6b21\u6d4b\u8bd5\u9009\u53d6IOPS\u3001\u5e26\u5bbd\u548c\u78c1\u76d8\u54cd\u5e94\u65f6\u95f4\u4e09\u4e2a\u7ef4\u5ea6\u8fdb\u884c\u7efc\u5408\u8003\u91cf\u3002<\/p>\n<p>IOPS\uff08I\/O per second\uff09\u662f\u6307\u6bcf\u79d2\u8bfb\u5199\u7684\u6b21\u6570\uff0c\u901a\u5e38\u5bf9\u4e8e\u5c0fI\/O\uff0c\u4e14\u4f20\u8f93I\/O\u7684\u6570\u91cf\u6bd4\u8f83\u5927\u7684\u60c5\u51b5\u4e0b\uff0c\u662f\u4e00\u4e2a\u6700\u4e3b\u8981\u7684\u8861\u91cf\u6307\u6807\u3002\u5e26\u5bbd\u662f\u6307\u6bcf\u79d2\u5728I\/O\u6d41\u4e2d\u4f20\u8f93\u7684\u6570\u636e\u603b\u91cf\u3002\u5728\u5bf9\u5b58\u50a8\u7cfb\u7edf\u6027\u80fd\u8fdb\u884c\u8bc4\u4ef7\u7684\u65f6\u5019\uff0c\u9700\u8981\u7efc\u5408\u770bIOPS\u548c\u5e26\u5bbd\u8fd9\u4e24\u4e2a\u6307\u6807\uff0c\u540c\u65f6\u5b58\u50a8\u6027\u80fd\u53e6\u5916\u4e00\u4e2a\u91cd\u8981\u6307\u6807\u662f\u78c1\u76d8\u54cd\u5e94\u65f6\u95f4\u3002<\/p>\n<p>1.\u5e26\u5bbd\u6307\u6807<\/p>\n<p>\u5728\u987a\u5e8f\u5199\u7684\u6d4b\u8bd5\u9879\u4e2d\uff0c\u5546\u4e1aSDS\u5c55\u73b0\u51fa\u6700\u597d\u6027\u80fd\uff0c\u5e26\u5bbd\u5e73\u5747\u8fbe\u52306171.8MB\/s\uff0c\u5728\u987a\u5e8f\u8bfb\u7684\u9879\u76ee\u4e2d\uff0c\u9ad8\u6821SDS\u7684\u6027\u80fd\u6700\u597d\uff0c\u5e26\u5bbd\u5e73\u5747\u8fbe\u52305577.5MB\/s\u3002\u7efc\u5408\u5224\u65ad\uff0c\u5546\u4e1aSDS\u7684\u987a\u5e8f\u8bfb\u5199\u6027\u80fd\u8f83\u4e3a\u5747\u8861\uff0c\u66f4\u52a0\u9002\u5408\u5927\u6570\u636e\u4f20\u8f93\u4e1a\u52a1\u3002\u5f00\u6e90Ceph\u4e0e\u9ad8\u6821SDS\u76f8\u5bf9\u4e5f\u80fd\u6ee1\u8db3\u4e00\u5b9a\u7684\u6027\u80fd\u9700\u6c42\u3002\u88684-4\u4e0e\u56fe4-2\u5c55\u793a\u4e86\u4e09\u4e2a\u4e0d\u540c\u7248\u672cSDS\u8f6f\u4ef6\u5206\u522b\u5728\u987a\u5e8f\u8bfb\u5199\u3001\u968f\u673a\u8bfb\u5199\u7684\u5e26\u5bbd\u6027\u80fd\u6d4b\u8bd5\u7ed3\u679c\u3002<\/p>\n<p style=\"text-align: center;\">\u8868 4-4 \u987a\u5e8f\u968f\u673a\u8bfb\u5199\u5e26\u5bbd\u6027\u80fd\u6d4b\u8bd5\u7ed3\u679c\uff08\u5355\u4f4dMB\/s\uff09<\/p>\n<p><a rel=\"nofollow\" href=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98099.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-42960\" src=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98099.png\" alt=\"%e5%b1%8f%e5%b9%95%e5%bf%ab%e7%85%a7-2016-12-27-%e4%b8%8a%e5%8d%889-31-11\" width=\"542\" height=\"141\" srcset=\"https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98099.png 542w, https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98099.png?x-oss-process=image%2Fquality,q_50%2Fresize,m_fill,w_300,h_78 300w\" sizes=\"(max-width: 542px) 100vw, 542px\" \/><\/a><\/p>\n<p><a rel=\"nofollow\" href=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98042.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-42963\" src=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98042.png\" alt=\"%e5%b1%8f%e5%b9%95%e5%bf%ab%e7%85%a7-2016-12-27-%e4%b8%8a%e5%8d%889-32-12\" width=\"444\" height=\"239\" srcset=\"https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98042.png 444w, https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98042.png?x-oss-process=image%2Fquality,q_50%2Fresize,m_fill,w_300,h_161 300w\" sizes=\"(max-width: 444px) 100vw, 444px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">\u56fe 4-2 \u987a\u5e8f\u968f\u673a\u8bfb\u5199\u541e\u5410\u91cf\u6027\u80fd\u6d4b\u8bd5\u7ed3\u679c\u67f1\u5f62\u56fe<\/p>\n<p>2.IOPS<\/p>\n<p>\u5728\u968f\u673a\u8bfb\u5199\u7684\u6d4b\u8bd5\u9879\u4e2d\uff0c\u9ad8\u6821SDS\u5c55\u73b0\u51fa\u6700\u597d\u6027\u80fd\uff0cIOPS\u5206\u522b\u5e73\u5747\u8fbe\u523083.2\u4e07\u4e0e32.1\u4e07\u3002\u7efc\u5408\u5224\u65ad\uff0c\u9ad8\u6821SDS\u7684\u968f\u673a\u8bfb\u5199\u6027\u80fd\u66f4\u4e3a\u4f18\u79c0\uff0c\u66f4\u52a0\u9002\u5408\u8054\u673a\u4e8b\u52a1\u5904\u7406\u4e1a\u52a1\u3002\u5f00\u6e90Ceph\u4e0e\u9ad8\u6821SDS\u5747\u80fd\u6ee1\u8db3\u4e00\u5b9a\u4e1a\u52a1\u9700\u6c42\u3002\u800c\u5546\u4e1aSDS\u91c7\u7528\u7684\u5206\u5e03\u5f0f\u54c8\u5e0c\u8868\uff08Distribute Hash Table\uff0cDHT\uff09\u8def\u7531\u6570\u636e\u7b97\u6cd5\uff0c\u867d\u7136\u53ef\u4ee5\u4f7f\u5f97\u6570\u636e\u5c3d\u53ef\u80fd\u5206\u5e03\u5230\u6240\u6709\u8282\u70b9\u4e0a\uff0c\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\uff0c\u540c\u65f6\u4e5f\u5e26\u6765\u4e86\u968f\u673a\u8bfb\u5199\u65f6\u8def\u5f84\u8fc7\u957f\u7684\u7f3a\u70b9\uff0c\u727a\u7272\u4e86\u90e8\u5206\u6027\u80fd\u3002\u88684-5\u4e0e\u56fe4-3\u5c55\u793a\u4e86\u4e09\u4e2a\u4e0d\u540c\u7248\u672cSDS\u8f6f\u4ef6\u5206\u522b\u5728\u987a\u5e8f\u8bfb\u5199\u3001\u968f\u673a\u8bfb\u5199\u7684IOPS\u6d4b\u8bd5\u7ed3\u679c\u3002<\/p>\n<p style=\"text-align: center;\">\u8868 4-5 \u987a\u5e8f\u968f\u673a\u8bfb\u5199IOPS\u6027\u80fd\u6d4b\u8bd5\u7ed3\u679c<\/p>\n<p><a rel=\"nofollow\" href=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98068.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-42972\" src=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98068.png\" alt=\"%e5%b1%8f%e5%b9%95%e5%bf%ab%e7%85%a7-2016-12-27-%e4%b8%8a%e5%8d%8810-26-29\" width=\"537\" height=\"135\" srcset=\"https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98068.png 537w, https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98068.png?x-oss-process=image%2Fquality,q_50%2Fresize,m_fill,w_300,h_75 300w\" sizes=\"(max-width: 537px) 100vw, 537px\" \/><\/a><\/p>\n<p><a rel=\"nofollow\" href=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98041.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-42973\" src=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98041.png\" alt=\"%e5%b1%8f%e5%b9%95%e5%bf%ab%e7%85%a7-2016-12-27-%e4%b8%8a%e5%8d%8810-26-37\" width=\"522\" height=\"220\" srcset=\"https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98041.png 522w, https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98041.png?x-oss-process=image%2Fquality,q_50%2Fresize,m_fill,w_300,h_126 300w\" sizes=\"(max-width: 522px) 100vw, 522px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">\u56fe 4-3 \u987a\u5e8f\u968f\u673a\u8bfb\u5199IOPS\u6027\u80fd\u6d4b\u8bd5\u7ed3\u679c\u67f1\u5f62\u56fe<\/p>\n<p>3.\u54cd\u5e94\u65f6\u95f4<\/p>\n<p>\u5728\u78c1\u76d8\u54cd\u5e94\u65f6\u95f4\u7684\u6d4b\u8bd5\u9879\u4e2d\uff0c\u9ad8\u6821SDS\u548c\u5546\u4e1aSDS\u7684\u78c1\u76d8\u54cd\u5e94\u65f6\u95f4\u90fd\u8f83\u4f4e\uff0c\u57fa\u672c\u572820ms\u4ee5\u5185\u3002\u800c\u76f8\u5bf9\u5f00\u6e90Ceph\u7684\u54cd\u5e94\u65f6\u95f4\u5c31\u6bd4\u8f83\u957f\uff0c\u8fd9\u662f\u56e0\u4e3aCeph\u7684\u8bfb\/\u5199\u6d41\u7a0b\u4e2d\uff0c\u5199\u5165\u64cd\u4f5c\u4f1a\u5148\u5230\u4e3b\u526f\u672c\u6240\u5728\u7684\u670d\u52a1\u5668\uff0c\u7136\u540e\u590d\u5236\u5230\u53e6\u59162\u4e2a\u526f\u672c\u7684\u670d\u52a1\u5668\u5e76\u5168\u90e8\u8fd4\u56deOK\uff0c\u624d\u5411\u5ba2\u6237\u7aef\u786e\u8ba4\uff0c\u8def\u5f84\u8f83\u957f\u3002\u88684-6\u4e0e\u56fe4-4\u5c55\u793a\u4e86\u4e09\u4e2a\u4e0d\u540c\u7248\u672cSDS\u8f6f\u4ef6\u5206\u522b\u5728\u987a\u5e8f\u8bfb\u5199\u3001\u968f\u673a\u8bfb\u5199\u7684\u78c1\u76d8\u54cd\u5e94\u65f6\u95f4\u6d4b\u8bd5\u7ed3\u679c\u3002<\/p>\n<p style=\"text-align: center;\">\u8868 4-6 \u987a\u5e8f\u968f\u673a\u8bfb\u5199\u78c1\u76d8\u54cd\u5e94\u65f6\u95f4\u6d4b\u8bd5\u7ed3\u679c\uff08\u5355\u4f4d\uff1ams\uff09<\/p>\n<p><a rel=\"nofollow\" href=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98070.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-42974\" src=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98070.png\" alt=\"%e5%b1%8f%e5%b9%95%e5%bf%ab%e7%85%a7-2016-12-27-%e4%b8%8a%e5%8d%8810-26-50\" width=\"538\" height=\"129\" srcset=\"https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98070.png 538w, https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98070.png?x-oss-process=image%2Fquality,q_50%2Fresize,m_fill,w_300,h_72 300w\" sizes=\"(max-width: 538px) 100vw, 538px\" \/><\/a><\/p>\n<p><a rel=\"nofollow\" href=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98098.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-42975\" src=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98098.png\" alt=\"%e5%b1%8f%e5%b9%95%e5%bf%ab%e7%85%a7-2016-12-27-%e4%b8%8a%e5%8d%8810-26-56\" width=\"484\" height=\"224\" srcset=\"https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98098.png 484w, https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98098.png?x-oss-process=image%2Fquality,q_50%2Fresize,m_fill,w_300,h_139 300w\" sizes=\"(max-width: 484px) 100vw, 484px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">\u56fe 4-4 \u987a\u5e8f\u968f\u673a\u8bfb\u5199\u5ef6\u65f6\u6d4b\u8bd5\u7ed3\u679c\u67f1\u5f62\u56fe<\/p>\n<p><strong>4.3.3 \u53ef\u9760\u6027\u6d4b\u8bd5\u7ed3\u679c\u53ca\u5206\u6790<\/strong><\/p>\n<p>\u901a\u8fc7\u53ef\u9760\u6027\u6d4b\u8bd5\u7ed3\u679c\u7684\u5bf9\u6bd4\uff0c\u5546\u4e1aSDS\u5728\u56db\u4e2a\u7ea7\u522b\u7684\u53ef\u9760\u6027\u65b9\u9762\u90fd\u5c55\u73b0\u51fa\u6709\u6548\u5730\u5e94\u5bf9\u63aa\u65bd\uff0c\u80fd\u591f\u4fdd\u969c\u7cfb\u7edf\u7684\u53ef\u9760\u8fd0\u884c\u3002\u9ad8\u6821SDS\u7cfb\u7edf\u5219\u5728\u5355\u786c\u76d8\u3001\u5355\u670d\u52a1\u5668\u5c42\u9762\u4fdd\u969c\u4e86\u7cfb\u7edf\u7684\u7a33\u5b9a\u8fd0\u884c\uff0c\u96c6\u7fa4\u5c42\u9762\u7531\u4e8e\u6d4b\u8bd5\u73af\u5883\u539f\u56e0\u672a\u505a\u6d4b\u8bd5\u3002\u88684-7\u5c55\u793a\u4e86\u4e09\u4e2a\u4e0d\u540c\u7248\u672cSDS\u4ea7\u54c1\u5728\u53ef\u9760\u6027\u65b9\u9762\u7684\u6d4b\u8bd5\u7ed3\u679c\u3002<\/p>\n<p style=\"text-align: center;\">\u8868 4-7 \u4e09\u4e2a\u4e0d\u540c\u7248\u672c\u7684SDS\u4ea7\u54c1\u53ef\u9760\u6027\u6d4b\u8bd5\u7ed3\u679c<\/p>\n<p><a rel=\"nofollow\" href=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98076.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-42976\" src=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98076.png\" alt=\"%e5%b1%8f%e5%b9%95%e5%bf%ab%e7%85%a7-2016-12-27-%e4%b8%8a%e5%8d%8810-27-06\" width=\"533\" height=\"174\" srcset=\"https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98076.png 533w, https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98076.png?x-oss-process=image%2Fquality,q_50%2Fresize,m_fill,w_300,h_98 300w\" sizes=\"(max-width: 533px) 100vw, 533px\" \/><\/a><\/p>\n<p><strong>4.3.4 \u53ef\u7ef4\u62a4\u6027\u6d4b\u8bd5\u7ed3\u679c\u53ca\u5206\u6790<\/strong><\/p>\n<p>\u5728\u53ef\u7ef4\u62a4\u6027\u6d4b\u8bd5\u9879\u4e2d\uff0c\u5f00\u6e90Ceph\u3001\u5546\u4e1aSDS\u548c\u9ad8\u6821SDS\u5747\u652f\u6301\u8d44\u6e90\u76d1\u63a7\u53ef\u89c6\u5316\u3001\u6027\u80fd\u5206\u6790\u53ef\u89c6\u5316\u3001\u5bb9\u91cf\u5206\u6790\u53ef\u89c6\u5316\u548c\u6545\u969c\u8b66\u544a\u53ef\u89c6\u5316\u7684\u529f\u80fd\uff0c\u4f7f\u5f97\u5b58\u50a8\u7ba1\u7406\u5458\u53ef\u4ee5\u901a\u8fc7Web\u7f51\u9875\u76f4\u63a5\u67e5\u770b\u8d44\u6e90\u7684\u4f7f\u7528\u548c\u5065\u5eb7\u72b6\u51b5\u3001\u5f53\u524d\u5b58\u50a8\u7684\u6027\u80fd\u72b6\u51b5\u4ee5\u53ca\u53ca\u65f6\u63a5\u5230\u6545\u969c\u7684\u8b66\u62a5\uff0c\u5927\u5927\u65b9\u4fbf\u4e86\u65e5\u5e38\u5de5\u4f5c\u4e2d\u7684\u5b58\u50a8\u7cfb\u7edf\u7684\u5b89\u88c5\u90e8\u7f72\u3001\u65e5\u5e38\u7ba1\u7406\u3001\u76d1\u63a7\u5ba1\u8ba1\u548c\u5347\u7ea7\u6269\u5bb9\u7b49\u5de5\u4f5c\u3002\u88684-8\u4e2d\u5c55\u793a\u4e86\u4e09\u4e2a\u7248\u672c\u7684SDS\u4ea7\u54c1\u7684\u53ef\u7ef4\u62a4\u6027\u6d4b\u8bd5\u7ed3\u679c\u3002<\/p>\n<p style=\"text-align: center;\">\u8868 4-8 \u4e09\u4e2a\u7248\u672c\u7684SDS\u4ea7\u54c1\u53ef\u7ef4\u62a4\u6027\u6d4b\u8bd5\u7ed3\u679c<\/p>\n<p><a rel=\"nofollow\" href=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98085.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-42977\" src=\"http:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98085.png\" alt=\"%e5%b1%8f%e5%b9%95%e5%bf%ab%e7%85%a7-2016-12-27-%e4%b8%8a%e5%8d%8810-27-16\" width=\"535\" height=\"264\" srcset=\"https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98085.png 535w, https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98085.png?x-oss-process=image%2Fquality,q_50%2Fresize,m_fill,w_300,h_148 300w, https:\/\/pic.doit.com.cn\/2016\/12\/dostord41d8cd98f00b204e98085.png?x-oss-process=image%2Fquality,q_50%2Fresize,m_fill,w_474,h_234 474w\" sizes=\"(max-width: 535px) 100vw, 535px\" 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