{"id":3283,"date":"2013-01-14T00:31:00","date_gmt":"2013-01-13T16:31:00","guid":{"rendered":""},"modified":"2013-01-14T00:31:00","modified_gmt":"2013-01-13T16:31:00","slug":"","status":"publish","type":"post","link":"https:\/\/www.homejamesfinance.com\/p\/3283.html","title":{"rendered":"EMC VNX5300\u4e0a\u5173\u4e8eIOPS\u7684\u95ee\u9898"},"content":{"rendered":"

\u63d0\u95ee\uff1a<\/p>\n

\u6709\u6ca1\u6709\u4e00\u4e2a\u5927\u81f4\u7684\u8ba1\u7b97\u65b9\u5f0f?\u4f8b\u5982\uff0c\u4e00\u53f0VNX5300\uff0c\u914d\u7f6e\u4e865\u5757200GB\u7684SSD\u76d8\uff0c10\u5757600GB 15k\u76d8(2\u7ec4Raid4+1)\uff0c10\u5757NL_SAS\u76d8(8+2)\uff0c\u8fd9\u6837\u7684\u4e00\u4e2a\u7cfb\u7edf\u4e0b\uff1a1\u3001\u6bcf\u5757\u76d8\u7684IOPS\u548cRaid\u540e\u7684IOPS\u4ec0\u4e48\u5173\u7cfb(\u9488\u5bf9\u540c\u4e00\u4e2a\u573a\u666f\uff0c\u4f8b\u59824k\u7684\u968f\u673a\u8bfb\u5199\u540450%)?2\u3001\u7cfb\u7edfcache\u7684IOPS?3\u3001SSD\u76d8\u5206\u522b\u505acache\u548cVP\u65f6\u5bf9IOPS\u7684\u5f71\u54cd?4\u3001\u524d\u6bb5\u94fe\u8def\u5e26\u5bbd\u548c\u6570\u91cf\u5bf9IOPS\u5f71\u54cd?<\/p>\n

\u56de\u7b54\uff1a<\/p>\n

\u6709\u5173\u5355\u5757\u76d8IOPS\u548cRAID\u540e\u7684IOPS\u8ba8\u8bba\u6709\u4e00\u4e2a\u8ba1\u7b97\u516c\u5f0f\u4f9bLZ\u53c2\u8003\uff1a<\/p>\n

\u9996\u5148\u9700\u8981\u77e5\u9053I\/O\u4e2d\u8bfb\u64cd\u4f5c(Read)\u4e0e\u5199\u64cd\u4f5c(Write)\u6240\u5360\u7684\u767e\u5206\u6bd4\u3002\u7136\u540e\u901a\u8fc7\u4e0b\u5217\u516c\u5f0f\uff0c\u5c06\u4e3b\u673a\u7684IOPS\u9700\u6c42\u8f6c\u6362\u6210\u786c\u76d8\u5b9e\u9645IOPS\u8d1f\u8f7d\uff1a<\/p>\n

\u6309\u63d0\u95ee\u4e2d\u5047\u5b9a\u7684\uff0c4000 IOPS\u4e2d\u8bfb\/\u5199\u6bd4\u662f1:1\uff0c\u5219\u4e0d\u540cRAID\u7c7b\u578bDrive IOPS\u8981\u6c42\u5206\u522b\u5982\u4e0b\uff1a<\/p>\n

RAID 1\/0: 2000+ 2*2000 = 6000 IOPS<\/p>\n

RAID 5: 2000 + 4*2000 = 10000 IOPS<\/p>\n

RAID 6: 2000 + 6*2000 = 14000 IOPS<\/p>\n

\u4e3b\u8981\u7684\u5dee\u522b\u5728\u4e8e\u4e0d\u540cRAID\u7ec4\u5408\u7684\u5199\u4ee3\u4ef7Write Penalty\u4e0d\u4e00\u6837\u3002<\/p>\n

\u518d\u53c2\u7167\u4e0b\u8868\u4e2d\u4e0d\u540c\u7c7b\u578b\u786c\u76d8\u5355\u5757IOPS\u53c2\u6570\uff0c\u5f97\u51fa\u9700\u8981\u591a\u5c11\u5757\u786c\u76d8\uff1a<\/p>\n

\u5047\u5b9a\u9009\u7528SAS 15K RPM\u786c\u76d8\uff0c\u5219\u9700\u8981SAS\u7684\u78c1\u76d8\u6570\u4e3a\uff1a<\/p>\n

RAID 1\/0: 6000\/180 = 34 \u5757<\/p>\n

RAID 5: 10000\/180 = 56 \u5757<\/p>\n

RAID 6: 14000\/180 = 78 \u5757<\/p>\n

\u7f13\u5b58\u5927\u5c0f\u76f4\u63a5\u5f71\u54cdIOPS\uff0c\u7406\u8bba\u4e0a\u8bf4\uff0c\u7f13\u5b58\u8d8a\u5927\u80fdcache\u7684\u4e1c\u897f\u8d8a\u591a\uff0c\u5728cache\u547d\u4e2d\u7387\u4fdd\u6301\u7684\u60c5\u51b5\u4e0b\uff0cIOPS\u4f1a\u8d8a\u9ad8\u3002SSD\u76d8\u7b49\u56e0\u7d20\u4e5f\u4f1a\u63d0\u5347IOPS\u3002\u8fd9\u4e9b\u56e0\u7d20\u7efc\u5408\u5728\u4e00\u8d77\u5c31\u4e0d\u80fd\u7b80\u5355\u7684\u7b97\u51faIOPS\u6765\u4e86\uff0c\u4e00\u822c\u9700\u8981\u901a\u8fc7\u5b9e\u9645\u5e94\u7528\u6765\u6d4b\u8bd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u63d0\u95ee\uff1a \u6709\u6ca1\u6709\u4e00\u4e2a\u5927\u81f4\u7684\u8ba1\u7b97\u65b9\u5f0f?\u4f8b\u5982\uff0c\u4e00\u53f0VNX5300\uff0c\u914d\u7f6e\u4e865\u5757200GB\u7684SSD\u76d8\uff0c10\u5757600GB 15k\u76d8(2\u7ec4Raid4+1)\uff0c10\u5757NL_SAS\u76d8(8+2)\uff0c\u8fd9\u6837\u7684\u4e00\u4e2a\u7cfb\u7edf\u4e0b\uff1a1\u3001\u6bcf\u5757\u76d8\u7684IOPS\u548cRaid\u540e\u7684IOPS\u4ec0\u4e48\u5173…<\/p>\n","protected":false},"author":131,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[3844,3438,4443],"topic":[],"class_list":["post-3283","post","type-post","status-publish","format-standard","hentry","category-tech","tag-EMC","tag-NAS","tag-VNX5300"],"_links":{"self":[{"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/posts\/3283"}],"collection":[{"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/users\/131"}],"replies":[{"embeddable":true,"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/comments?post=3283"}],"version-history":[{"count":0,"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/posts\/3283\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/media?parent=3283"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/categories?post=3283"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/tags?post=3283"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/topic?post=3283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}精品国产午夜肉伦伦影院,双性老师灌满浓jing上课h,天天做天天爱夜夜爽,攵女乱h边做边走