{"id":5851,"date":"2015-05-27T15:59:23","date_gmt":"2015-05-27T15:59:23","guid":{"rendered":"http:\/\/vmcloud.info\/?p=5851"},"modified":"2015-05-27T15:59:23","modified_gmt":"2015-05-27T15:59:23","slug":"%e8%87%b4%e6%ad%89%ef%bc%81%e3%80%8a%e8%bf%9f%e6%9d%a5%e7%9a%84%e8%a7%82%e5%90%8e%e6%84%9f%e3%80%8b%e4%b8%80%e6%96%87%e5%ad%98%e5%9c%a8%e9%97%ae%e9%a2%98%ef%bc%81","status":"publish","type":"post","link":"https:\/\/vmcloud.info\/?p=5851","title":{"rendered":"\u81f4\u6b49\uff01\u300a\u8fdf\u6765\u7684\u89c2\u540e\u611f\u300b\u4e00\u6587\u5b58\u5728\u95ee\u9898\uff01"},"content":{"rendered":"<p><span style=\"color:black; font-size:12pt\"><span style=\"font-family:Arial\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u200b<\/span><span style=\"font-family:\u5b8b\u4f53\">\u5173\u4e8e\u4ffa<\/span><span style=\"font-family:Arial\">5<\/span><span style=\"font-family:\u5b8b\u4f53\">\u6708<\/span><span style=\"font-family:Arial\">26<\/span><span style=\"font-family:\u5b8b\u4f53\">\u53f7\u53d1\u7684\u300a<strong>\u8fdf\u6765\u7684\u89c2\u540e\u611f<\/strong><\/span><strong><span style=\"font-family:Arial\">\u2014\u2014<\/span><span style=\"font-family:\u5b8b\u4f53\">\u4f2a\u5b58\u50a8\u4e13\u5bb6\u8c08<\/span><span style=\"font-family:Arial\">IOPS<\/span><\/strong><span style=\"font-family:\u5b8b\u4f53\">\u300b\uff0c\u672c\u6765\u60f3\u8868\u8fbe\u7684\u662f\u5b58\u50a8\u89c4\u5212\u5728\u865a\u62df\u5316\u9879\u76ee\u4e2d\u7684\u91cd\u8981\u6027\uff0c\u4f46\u662f\u6240\u4e3e\u7684\u4f8b\u5b50\u4ec5\u662f\u4e3a\u4e86\u8f85\u4ee5\u8bf4\u660e\u5e76\u6ca1\u6709\u8003\u8651\u771f\u5b9e\u6027\uff0c\u6240\u4ee5\u5b9e\u9645\u4e0a\u5b58\u5728\u7eb0\u6f0f\uff0c\u4e14\u5e76\u6ca1\u6709\u6307\u6b63\uff0c\u4f5c\u4e3a<\/span><span style=\"font-family:Arial\">MVP<\/span><span style=\"font-family:\u5b8b\u4f53\">\u3001\u672c\u7740\u4e25\u8c28\u7684\u6001\u5ea6\uff0c\u4ffa\u601d\u8003\u518d\u4e09\uff0c\u867d\u7136\u672c\u516c\u4f17\u53f7\u53ea\u6709\u767e\u6765\u4eba\u7684\u5173\u6ce8\u91cf\uff0c\u867d\u7136<\/span><span style=\"font-family:Arial\">5<\/span><span style=\"font-family:\u5b8b\u4f53\">\u6708<\/span><span style=\"font-family:Arial\">26<\/span><span style=\"font-family:\u5b8b\u4f53\">\u53f7\u7684\u5fae\u6587\u9605\u8bfb\u91cf\u53ef\u80fd\u90fd\u6ca1\u8d85\u8fc7<\/span><span style=\"font-family:Arial\">100<\/span><span style=\"font-family:\u5b8b\u4f53\">\uff0c\u4f46\u662f\u5982\u679c\u521a\u597d\u60a8\u4fe1\u4efb\u6211\uff0c\u5e76\u6309\u7167\u6587\u4e2d\u7684\u516c\u5f0f\u53bb\u505a\u4e86\u89c4\u5212\uff0c\u90a3\u6211\u5c31\u771f\u7684\u662f\u8bef\u4eba\u5b50\u5f1f\u4e86\uff01\u5982\u679c\u771f\u7684\u8f83\u771f\u5b58\u50a8<\/span><span style=\"font-family:Arial\">IOPS<\/span><span style=\"font-family:\u5b8b\u4f53\">\u7684\u8ba1\u7b97\u7684\u8bdd\uff0c\u90a3\u4e48\u6211\u5c31\u6765\u629b\u7816\u5f15\u7389\u4e00\u4e0b\u5427\uff1a<\/span><span style=\"font-family:Arial\"><br \/>\n\t\t\t<\/span><\/span><\/p>\n<p><span style=\"color:black; font-size:12pt\"><span style=\"font-family:Arial\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0\u00a0<strong>\u200b<\/strong><\/span><span style=\"color:red\"><span style=\"font-family:\u5b8b\u4f53\"><strong>\u518d\u6b21\u58f0\u660e\uff0c\u505a\u4e3a\u4f2a\u5b58\u50a8\u7816\u5bb6\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4ec5\u4f9b\u53c2\u8003\uff1a<\/strong><\/span><span style=\"color:black; font-family:Arial\"><br \/>\n\t\t\t\t<\/span><\/span><\/span><\/p>\n<p><span style=\"color:black; font-family:Arial; font-size:12pt\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0 \u00a0<br \/>\n<\/span><\/p>\n<p><span style=\"color:black; font-size:12pt\"><span style=\"font-family:Arial\">\u00a0\u00a0 \u00a0\u200b\u00a0 \u00a0<strong>1<\/strong><\/span><strong><span style=\"font-family:\u5b8b\u4f53\">\u3001<\/span><span style=\"font-family:Arial\"> \u200b<\/span><span style=\"font-family:\u5b8b\u4f53\">\u5230\u5e95<\/span><span style=\"font-family:Arial\">IOPS<\/span><span style=\"font-family:\u5b8b\u4f53\">\u7684\u8ba1\u7b97\u51c6\u4e0d\u51c6\u786e\uff1f<\/span><\/strong><span style=\"font-family:Arial\"><br \/>\n\t\t\t<\/span><\/span><\/p>\n<p><span style=\"color:black; font-size:12pt\"><span style=\"font-family:Arial\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0 \u00a0<strong>\u00a0<\/strong><\/span><span style=\"font-family:\u5b8b\u4f53\"><strong>\u7b54\uff1a<\/strong>\u4ec5\u4f5c\u53c2\u8003\uff0c\u603b\u6bd4\u5f20\u53e3\u5c31\u8981\u591a\u5c11\u591a\u5c11\u5b58\u50a8\u8d44\u6e90\u6765\u5f97\u5b9e\u5728\uff0c<\/span><span style=\"font-family:Arial\">\u200b<\/span><span style=\"font-family:\u5b8b\u4f53\">\u5176\u5b9e<\/span><span style=\"font-family:Arial\">iops<\/span><span style=\"font-family:\u5b8b\u4f53\">\u53ea\u80fd\u901a\u8fc7\u6d4b\u8bd5\u624d\u80fd\u5f97\u5230\uff0c\u7b97\u7684\u90fd\u662f\u8303\u56f4\u533a\u95f4\uff0c\u4e0d\u540c\u5382\u5546\u7684\u56fa\u4ef6\uff0c\u8f6f\u4ef6\uff0c\u7f13\u5b58\u3001\u7f51\u7edc\u3001\u6027\u80fd\u73af\u5883\u90fd\u4f1a\u5bf9<\/span><span style=\"font-family:Arial\">iops<\/span><span style=\"font-family:\u5b8b\u4f53\">\u6709\u8f83\u5927\u7684\u504f\u5dee\u3002<\/span><span style=\"font-family:Arial\"><br \/>\n\t\t\t<\/span><\/span><\/p>\n<p><span style=\"color:black; font-size:12pt\"><span style=\"font-family:Arial\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0<strong>\u00a0\u200b2<\/strong><\/span><strong><span style=\"font-family:\u5b8b\u4f53\">\u3001\u4f7f\u7528\u4e0b\u8868\u8ba1\u7b97<\/span><span style=\"font-family:Arial\">IOPS<\/span><span style=\"font-family:\u5b8b\u4f53\">\uff0c\u5230\u5e95\u5bf9\u4e0d\u5bf9\uff1f<\/span><\/strong><span style=\"font-family:Arial\"><br \/>\n\t\t\t<\/span><\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/vmcloud.info\/wp-content\/uploads\/2015\/05\/052715_1559_1.png\" alt=\"\"\/><span style=\"color:black; font-size:12pt\"><span style=\"font-family:Arial\"><br \/>\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0\u00a0\u200b<\/span><span style=\"font-family:\u5b8b\u4f53\"><strong>\u7b54\uff1a<\/strong>\u5176\u5b9e\u5e76\u6ca1\u6709\u9519\uff0c\u56e0\u4e3a\u8be5\u8868\u6307\u7684\u662f\u4f60\u7684\u9700\u6c42<\/span><span style=\"font-family:Arial\">IOPS<\/span><span style=\"font-family:\u5b8b\u4f53\">\uff0c\u800c\u975e\u63d0\u4f9b\u7684<\/span><span style=\"font-family:Arial\">IOPS<\/span><span style=\"font-family:\u5b8b\u4f53\">\uff0c\u8fd9\u5c31\u56de\u7b54\u4e86\uff0c\u4e3a\u4ec0\u4e48<\/span><span style=\"font-family:Arial\">Raid 5<\/span><span style=\"font-family:\u5b8b\u4f53\">\u3001<\/span><span style=\"font-family:Arial\">6<\/span><span style=\"font-family:\u5b8b\u4f53\">\u3001<\/span><span style=\"font-family:Arial\">10<\/span><span style=\"font-family:\u5b8b\u4f53\">\u90fd\u6709\u5199\u60e9\u7f5a\uff0c\u5230\u8fd9\u91cc\u53cd\u800c<\/span><span style=\"font-family:Arial\">IOPS<\/span><span style=\"font-family:\u5b8b\u4f53\">\u66f4\u591a\u4e86\u7684\u95ee\u9898\uff0c<\/span><span style=\"font-family:Arial\">Raid <\/span><span style=\"font-family:\u5b8b\u4f53\">\u7ea7\u522b\u7684\u5199\u60e9\u7f5a\uff1a<\/span><span style=\"font-family:Arial\"><br \/>\n\t\t\t<\/span><\/span><\/p>\n<ul>\n<li><span style=\"color:black; font-size:12pt\"><span style=\"font-family:Arial\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0\u00a0\u200bRaid0 <\/span><span style=\"font-family:\u5b8b\u4f53\">\uff1a<\/span><span style=\"font-family:Arial\">1<br \/>\n<\/span><\/span><\/li>\n<li><span style=\"color:black; font-size:12pt\"><span style=\"font-family:Arial\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0\u00a0\u200bRaid1<\/span><span style=\"font-family:\u5b8b\u4f53\">\uff1a<\/span><span style=\"font-family:Arial\"> 2<br \/>\n<\/span><\/span><\/li>\n<li><span style=\"color:black; font-size:12pt\"><span style=\"font-family:Arial\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0\u00a0\u200bRaid5<\/span><span style=\"font-family:\u5b8b\u4f53\">\uff1a<\/span><span style=\"font-family:Arial\"> 4<br \/>\n<\/span><\/span><\/li>\n<li><span style=\"color:black; font-size:12pt\"><span style=\"font-family:Arial\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0\u00a0\u200bRaid6<\/span><span style=\"font-family:\u5b8b\u4f53\">\uff1a<\/span><span style=\"font-family:Arial\"> 6<br \/>\n<\/span><\/span><\/li>\n<li>\n<div><span style=\"color:black; font-size:12pt\"><span style=\"font-family:Arial\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0\u00a0\u200bRaid10<\/span><span style=\"font-family:\u5b8b\u4f53\">\uff1a<\/span><span style=\"font-family:Arial\"> 2<br \/>\n<\/span><\/span><\/div>\n<p><span style=\"color:black; font-size:12pt\"><span style=\"font-family:Arial\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0\u00a0\u200b<\/span><span style=\"font-family:\u5b8b\u4f53\">\u6bd4\u5982\uff1a\u4f60\u7684\u7cfb\u7edf\u9700\u6c42\u662f<\/span><span style=\"font-family:Arial\">60 IOPS<\/span><span style=\"font-family:\u5b8b\u4f53\">\uff0c\u90a3\u4e48\u6839\u636e\u8fd9\u4e2a\u8868\u53bb\u505a\u6362\u7b97\uff0c\u5047\u8bbe\u8bfb\u5199<\/span><span style=\"font-family:Arial\">2:1<\/span><span style=\"font-family:\u5b8b\u4f53\">\uff08\u4ec5\u4ec5\u662f\u5047\u8bbe\uff0c\u5b9e\u9645\u73af\u5883\u8bf7\u6839\u636e\u5b9e\u9645\u6765\uff09\uff0c\u5047\u8bbe\u7528\u4e86<\/span><span style=\"font-family:Arial\">Raid 5<\/span><span style=\"font-family:\u5b8b\u4f53\">\uff0c\u90a3\u4e48\u4f60\u5b9e\u9645\u9700\u6c42\u7684<\/span><span style=\"font-family:Arial\"> IOPS = 60*0.7+4*60*0.3<\/span><span style=\"font-family:\u5b8b\u4f53\">\uff08<\/span><span style=\"font-family:Arial\">Raid 5 <\/span><span style=\"font-family:\u5b8b\u4f53\">\u6709<\/span><span style=\"font-family:Arial\">-4<\/span><span style=\"font-family:\u5b8b\u4f53\">\u5199\u60e9\u7f5a\uff09\uff0c\u5982\u679c\u8981\u91c7\u7528<\/span><span style=\"font-family:Arial\">Raid 5<\/span><span style=\"font-family:\u5b8b\u4f53\">\u7ea7\u522b\u7684\u5b58\u50a8\uff0c\u90a3\u4e48\u4e00\u4e2a\u7cfb\u7edf\u5b9e\u9645\u9700\u6c42\u662f<\/span><span style=\"font-family:Arial\">114 IOPS<\/span><span style=\"font-family:\u5b8b\u4f53\">\uff08\u5047\u8bbe\u8bfb\u5199<\/span><span style=\"font-family:Arial\">2:1<\/span><span style=\"font-family:\u5b8b\u4f53\">\u7684\u60c5\u51b5\u4e0b\uff09\u3002<\/span><span style=\"font-family:Arial\"><br \/>\n\t\t\t\t\t<\/span><\/span><\/p>\n<p><span style=\"color:black; font-size:12pt\"><span style=\"font-family:Arial\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0 \u00a0 <\/span><span style=\"font-family:\u5b8b\u4f53\">\u4e8b\u5b9e\u4e0a\uff0c\u5173\u4e8e\u5b58\u50a8\u7684<\/span><span style=\"font-family:Arial\">IOPS<\/span><span style=\"font-family:\u5b8b\u4f53\">\u53ef\u63d0\u4f9b\u7684\u6709\u53e6\u5916\u4e00\u6761\u516c\u5f0f\uff1a<\/span><span style=\"font-family:Arial\"><br \/>\n\t\t\t\t\t<\/span><\/span><\/p>\n<p style=\"text-align: center\"><span style=\"color:black; font-size:12pt\"><span style=\"font-family:Arial\">\u00a0\u00a0\u00a0<\/span><strong><span style=\"font-family:\u5b8b\u4f53\">\uff08<\/span><span style=\"font-family:Arial\">Drive IOPS \u00d7 <\/span><span style=\"font-family:\u5b8b\u4f53\">\u5199<\/span><span style=\"font-family:Arial\">% \u00f7 RAID<\/span><span style=\"font-family:\u5b8b\u4f53\">\u5199\u60e9\u7f5a\uff09<\/span><span style=\"font-family:Arial\"> + <\/span><span style=\"font-family:\u5b8b\u4f53\">\uff08<\/span><span style=\"font-family:Arial\">DriveIOPS \u00d7 <\/span><span style=\"font-family:\u5b8b\u4f53\">\u8bfb<\/span><span style=\"font-family:Arial\">%<\/span><span style=\"font-family:\u5b8b\u4f53\">\uff09<\/span><\/strong><span style=\"font-family:Arial\"><br \/>\n\t\t\t\t\t<\/span><\/span><\/p>\n<p><span style=\"color:black; font-size:12pt\"><strong><span style=\"font-family:Arial\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0\u00a0\u200b<\/span><span style=\"font-family:\u5b8b\u4f53\">\u6bd4\u5982\u4e0a\u4e00\u7bc7\u6240\u8bb2\u5230\u7684\u5c0f\u660e\uff0c\u6709<\/span><span style=\"font-family:Arial\">10<\/span><span style=\"font-family:\u5b8b\u4f53\">\u5757<\/span><span style=\"font-family:Arial\">15K SAS<\/span><span style=\"font-family:\u5b8b\u4f53\">\uff0c\u505a<\/span><span style=\"font-family:Arial\">Raid 6<\/span><span style=\"font-family:\u5b8b\u4f53\">\u5230\u5e95\u80fd\u63d0\u4f9b\u591a\u5c11<\/span><span style=\"font-family:Arial\">IOPS<\/span><span style=\"font-family:\u5b8b\u4f53\">\uff0c\u5c31\u662f<\/span><span style=\"font-family:Arial\">(10*140*0.3)\u00a0\u00f7 6 + (10*140*0.7)= 1050 IOPS<\/span><span style=\"font-family:\u5b8b\u4f53\">\u3002<\/span><\/strong><span style=\"font-family:Arial\"><br \/>\n\t\t\t\t\t<\/span><\/span><\/p>\n<p><span style=\"color:black; font-size:12pt\"><span style=\"font-family:Arial\"><strong>\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0\u00a0<\/strong>3<\/span><span style=\"font-family:\u5b8b\u4f53\">\u3001\u90a3\u6211\u7a76\u7adf\u8981\u600e\u4e48\u89c4\u5212\u5b58\u50a8\uff1f<\/span><span style=\"font-family:Arial\"><br \/>\n\t\t\t\t\t<\/span><\/span><\/p>\n<p><span style=\"color:black; font-size:12pt\"><span style=\"font-family:Arial\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0\u00a0\u200b<\/span><span style=\"font-family:\u5b8b\u4f53\">\u9996\u5148\uff0c\u4e00\u5207\u516c\u5f0f\u3001\u8868\u683c\u90fd\u662f\u6ca1\u6709\u95ee\u9898\uff0c\u9519\u5c31\u9519\u5728\u6211\u4e3e\u7684\u4f8b\u5b50\u4e2d\u8fd0\u7528\u9519\u4e86\u800c\u5df2\uff0c\u90a3\u4e48\u8f83\u4e3a\u6070\u5f53\u7684\u5e94\u7528\u65b9\u5f0f\u662f\u4ec0\u4e48\u5462\uff1f\u8fd8\u662f\u8bf4\u56de\u5c0f\u660e\u90a3\u4e2a\u95ee\u9898\uff0c<\/span><span style=\"font-family:Arial\">10<\/span><span style=\"font-family:\u5b8b\u4f53\">\u4e2a<\/span><span style=\"font-family:Arial\">15K<\/span><span style=\"font-family:\u5b8b\u4f53\">\u7684<\/span><span style=\"font-family:Arial\">SAS<\/span><span style=\"font-family:\u5b8b\u4f53\">\u76d8\uff08\u4e3a\u7b80\u5355\u8d77\u89c1\uff0c\u6682\u65f6\u4e0d\u8003\u8651\u5bb9\u91cf\uff09\u505a<\/span><span style=\"font-family:Arial\">Raid 6<\/span><span style=\"font-family:\u5b8b\u4f53\">\u5230\u5e95\u80fd\u4e0d\u80fd\u652f\u6491<\/span><span style=\"font-family:Arial\">60<\/span><span style=\"font-family:\u5b8b\u4f53\">\u4e2a<\/span><span style=\"font-family:Arial\">IOPS<\/span><span style=\"font-family:\u5b8b\u4f53\">\u9700\u6c42\u4e3a<\/span><span style=\"font-family:Arial\">50<\/span><span style=\"font-family:\u5b8b\u4f53\">\u7684\u865a\u62df\u673a\uff1f<\/span><span style=\"font-family:Arial\"><br \/>\n\t\t\t\t\t<\/span><\/span><\/p>\n<p><span style=\"color:black; font-size:12pt\"><span style=\"font-family:Arial\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0<strong>\u00a0\u200b<\/strong><\/span><span style=\"font-family:\u5b8b\u4f53\"><strong>\u7b54\uff1a<\/strong><\/span><span style=\"font-family:Arial\"><br \/>\n\t\t\t\t\t<\/span><\/span><\/p>\n<p><span style=\"color:black; font-size:12pt\"><span style=\"font-family:Arial\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0\u00a0\u200b60<\/span><span style=\"font-family:\u5b8b\u4f53\">\u4e2a<\/span><span style=\"font-family:Arial\">IOPS<\/span><span style=\"font-family:\u5b8b\u4f53\">\u9700\u6c42\u4e3a<\/span><span style=\"font-family:Arial\">50<\/span><span style=\"font-family:\u5b8b\u4f53\">\u7684\u865a\u62df\u673a\uff0c\u5373\u65e0<\/span><span style=\"font-family:Arial\">Raid<\/span><span style=\"font-family:\u5b8b\u4f53\">\u7ea7\u522b\u4e0b\uff0c\u9700\u8981<\/span><span style=\"font-family:Arial\">3000 IOPS<\/span><span style=\"font-family:\u5b8b\u4f53\">\uff0c<\/span><span style=\"font-family:Arial\">10<\/span><span style=\"font-family:\u5b8b\u4f53\">\u5757<\/span><span style=\"font-family:Arial\">15K <\/span><span style=\"font-family:\u5b8b\u4f53\">\u7684<\/span><span style=\"font-family:Arial\">SAS<\/span><span style=\"font-family:\u5b8b\u4f53\">\u76d8\uff08\u7ea6<\/span><span style=\"font-family:Arial\">1400 IOPS<\/span><span style=\"font-family:\u5b8b\u4f53\">\uff09\u660e\u663e\u4e0d\u591f\u3002<\/span><span style=\"font-family:Arial\"><br \/>\n\t\t\t\t\t<\/span><\/span><\/p>\n<p><span style=\"color:black; font-size:12pt\"><span style=\"font-family:Arial\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0\u00a0\u200bOK<\/span><span style=\"font-family:\u5b8b\u4f53\">\uff0c<\/span><span style=\"font-family:Arial\">Raid 6<\/span><span style=\"font-family:\u5b8b\u4f53\">\u5462\uff1f\u5982\u679c<\/span><span style=\"font-family:Arial\">3000 IOPS<\/span><span style=\"font-family:\u5b8b\u4f53\">\u8981\u4f7f\u7528<\/span><span style=\"font-family:Arial\">Raid 6<\/span><span style=\"font-family:\u5b8b\u4f53\">\u7ea7\u522b\u7684\u5b58\u50a8\uff0c\u5b9e\u9645\u9700\u8981\u591a\u5c11<\/span><span style=\"font-family:Arial\">IOPS<\/span><span style=\"font-family:\u5b8b\u4f53\">\u5462\uff08\u8bfb\u5199\u6bd4<\/span><span style=\"font-family:Arial\">2:1<\/span><span style=\"font-family:\u5b8b\u4f53\">\uff09\uff1f<\/span><span style=\"font-family:Arial\"><br \/>\n\t\t\t\t\t<\/span><\/span><\/p>\n<p><span style=\"color:black; font-size:12pt\"><span style=\"font-family:Arial\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0 \u00a0 <\/span><span style=\"font-family:\u5b8b\u4f53\">\u4f60\u5b9e\u9645\u9700\u8981\uff1a\uff08<\/span><span style=\"font-family:Arial\">3000*0.3 \/ 6<\/span><span style=\"font-family:\u5b8b\u4f53\">\uff09<\/span><span style=\"font-family:Arial\">+<\/span><span style=\"font-family:\u5b8b\u4f53\">\uff08<\/span><span style=\"font-family:Arial\">3000*0.7<\/span><span style=\"font-family:\u5b8b\u4f53\">\uff09<\/span><span style=\"font-family:Arial\">= 2250<br \/>\n<\/span><\/span><\/p>\n<p><span style=\"color:black; font-size:12pt\"><span style=\"font-family:Arial\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0\u00a0\u200b<\/span><span style=\"font-family:\u5b8b\u4f53\">\u505a\u4e86<\/span><span style=\"font-family:Arial\">Raid 6<\/span><span style=\"font-family:\u5b8b\u4f53\">\u7684\u5b58\u50a8\u80fd\u591f\u63d0\u4f9b\uff1a<\/span><span style=\"font-family:Arial\"><strong>(1400*0.3)\u00a0\u00f7 6 + (1400*0.7)= 1050<\/strong><br \/>\n\t\t\t\t\t<\/span><\/span><\/p>\n<p><span style=\"color:black; font-family:Arial; font-size:12pt\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0\u00a0\u200b<br \/>\n<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/vmcloud.info\/wp-content\/uploads\/2015\/05\/052715_1559_2.png\" alt=\"\"\/><span style=\"font-family:\u5b8b\u4f53; font-size:12pt\"><br \/>\n\t\t\t\t<\/span><\/p>\n<p><span style=\"color:black; font-size:12pt\"><span style=\"font-family:Arial\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0\u00a0\u200b<\/span><span style=\"font-family:\u5b8b\u4f53\">\u81f3\u4e8e\u7b54\u6848\uff0c\u5176\u5b9e\u4e0d\u5fc5\u7ea0\u7ed3\uff0c\u56e0\u4e3a\u73b0\u5982\u4eca\u7684\u5b58\u50a8\u57fa\u672c\u90fd\u662f\u4e2d\u9ad8\u7aef\u5b58\u50a8\uff0c\u591a\u591a\u5c11\u5c11\u90fd\u662f\u5e26\u6709\u9ad8\u901f\u7f13\u5b58\u7684\uff0c\u5373\u4f7f\u5b58\u50a8\u89c4\u5212\u505a\u5f97\u5f88\u7ec6\u81f4\uff0c\u5b9e\u9645\u4e0a\u6027\u80fd\u4e0a\u7684\u74f6\u9888\u53ea\u4f1a\u8d8a\u6765\u8d8a\u5c0f\uff0c\u7279\u522b\u662f\u73b0\u5728\u6709\u4e86\u5b58\u50a8\u5206\u5c42\u3001<\/span><span style=\"font-family:Arial\">ssd<\/span><span style=\"font-family:\u5b8b\u4f53\">\u7f13\u5b58\u8fd9\u4e9b\u6280\u672f\uff0c<\/span><span style=\"font-family:Arial\">IOPS<\/span><span style=\"font-family:\u5b8b\u4f53\">\u7684\u63d0\u5347\u90fd\u662f\u6210\u500d\u6570\u589e\u957f\u3002\u4f46\u662f\uff0c\u4e0d\u7ea0\u7ed3\u4e0d\u4ee3\u8868\u6ca1\u4f5c\u7528\uff0c\u81f3\u5c11\u60a8\u7684<\/span><span style=\"font-family:Arial\">Boss<\/span><span style=\"font-family:\u5b8b\u4f53\">\u6216\u8005\u51b3\u7b56\u8005\u95ee\u5230\u60a8\uff0c\u8fd8\u662f\u6709\u8bdd\u53ef\u8bf4\u3002<\/span><span style=\"font-family:Arial\"><br \/>\n\t\t\t\t\t<\/span><\/span><\/p>\n<p><span style=\"color:black; font-size:12pt\"><span style=\"font-family:Arial\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0\u00a0\u200b<\/span><span style=\"font-family:\u5b8b\u4f53\">\u8fd8\u662f\u4e0a\u4e00\u7bc7\u7684\u8001\u8bdd\uff0c\u4ec5\u63d0\u4f9b\u53c2\u8003\uff0c\u5e0c\u671b\u5404\u4f4d\u770b\u5b98\u80fd\u591f\u5728\u4ee5\u540e\u7684\u9879\u76ee\u8bbe\u8ba1\u4e2d\u5bf9\u5b58\u50a8\u89c4\u5212\u90e8\u5206\u6709\u4e00\u4e2a\u57fa\u672c\u7684\u6982\u5ff5\u3002\u5343\u9519\u4e07\u9519\uff0c\u4e0b\u9762\u8fd9\u4e2a\u6d41\u7a0b\u4e0d\u4f1a\u9519\uff1a<\/span><span style=\"font-family:Arial\"><br \/>\n\t\t\t\t\t<\/span><\/span><\/p>\n<p style=\"background: white\"><span style=\"color:#548dd4; font-size:12pt\"><span style=\"font-family:Helvetica\">if<span style=\"color:#3e3e3e\"><br \/>\n\t\t\t\t\t\t<\/span><\/span><span style=\"font-family:\u5b8b\u4f53\"><em>\u5b58\u50a8\u65b9\u6848<\/em><\/span><span style=\"color:#3e3e3e\"><em><span style=\"font-family:Helvetica\">IOPS &gt;= <\/span><span style=\"font-family:\u5b8b\u4f53\">\u9700\u6c42<\/span><\/em><span style=\"font-family:Helvetica\"><em>IOPS <\/em><span style=\"color:#548dd4\">then<span style=\"color:#3e3e3e\"><br \/>\n\t\t\t\t\t\t\t\t<\/span><\/span><\/span><\/span><\/span><\/p>\n<p style=\"background: white\"><span style=\"color:#548dd4; font-size:12pt\"><span style=\"font-family:Helvetica\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u200bprint <span style=\"color:#3e3e3e\"><em>&#8220;<\/em><\/span><\/span><span style=\"font-family:\u5b8b\u4f53\"><em>\u53ef\u4ee5\u7ee7\u7eed\u8003\u8651\u5bb9\u91cf\u5566\uff01<\/em><\/span><span style=\"color:#3e3e3e; font-family:Helvetica\"><em>&#8220;<\/em><br \/>\n\t\t\t\t\t<\/span><\/span><\/p>\n<p style=\"background: white\"><span style=\"color:#548dd4; font-size:12pt\"><span style=\"font-family:Helvetica\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0\u00a0\u200bif<span style=\"color:#3e3e3e\"><br \/>\n\t\t\t\t\t\t<\/span><\/span><span style=\"font-family:\u5b8b\u4f53\"><em>\u5b58\u50a8\u5bb9\u91cf<\/em><\/span><span style=\"color:#3e3e3e\"><em><span style=\"font-family:Helvetica\">&gt;=<\/span><span style=\"font-family:\u5b8b\u4f53\">\u9700\u6c42\u5bb9\u91cf<\/span><\/em><span style=\"font-family:Helvetica\"><em><br \/>\n\t\t\t\t\t\t\t<\/em><span style=\"color:#548dd4\">then<span style=\"color:#3e3e3e\"><br \/>\n\t\t\t\t\t\t\t\t<\/span><\/span><\/span><\/span><\/span><\/p>\n<p style=\"background: white\"><span style=\"color:#548dd4; font-size:12pt\"><span style=\"font-family:Helvetica\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0\u00a0\u200bprint<span style=\"color:#3e3e3e\"><br \/>\n\t\t\t\t\t\t\t<em>&#8220;<\/em><\/span><\/span><span style=\"font-family:\u5b8b\u4f53\"><em>\u5c31\u662f\u8fd9\u4e2a\u65b9\u6848\u5566\uff01<\/em><\/span><span style=\"color:#3e3e3e; font-family:Helvetica\"><em>&#8220;<\/em><br \/>\n\t\t\t\t\t<\/span><\/span><\/p>\n<p style=\"background: white\"><span style=\"color:#548dd4; font-family:Helvetica; font-size:12pt\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0\u00a0\u00a0\u200b\u00a0else<span style=\"color:#3e3e3e\"><br \/>\n\t\t\t\t\t<\/span><\/span><\/p>\n<p style=\"background: white\"><span style=\"color:#548dd4; font-size:12pt\"><span style=\"font-family:Helvetica\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0\u00a0\u200bprint<span style=\"color:#3e3e3e\"><br \/>\n\t\t\t\t\t\t\t<em>&#8220;IOPS<\/em><\/span><\/span><span style=\"font-family:\u5b8b\u4f53\"><em>\u6ee1\u8db3\uff0c\u4f46\u662f\u5bb9\u91cf\u4e0d\u6ee1\u8db3\uff0c\u5f03\u9009\uff01<\/em><\/span><span style=\"color:#3e3e3e; font-family:Helvetica\"><em>&#8220;<\/em><br \/>\n\t\t\t\t\t<\/span><\/span><\/p>\n<p style=\"background: white\"><span style=\"color:#548dd4; font-family:Helvetica; font-size:12pt\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u00a0\u00a0\u00a0\u200b end if<span style=\"color:#3e3e3e\"><br \/>\n\t\t\t\t\t<\/span><\/span><\/p>\n<p style=\"background: white\"><span style=\"color:#548dd4; font-family:Helvetica; font-size:12pt\">\u00a0\u00a0\u00a0\u00a0\u00a0\u200belse<span style=\"color:#3e3e3e\"><br \/>\n\t\t\t\t\t<\/span><\/span><\/p>\n<p style=\"background: white\"><span style=\"color:#548dd4; font-size:12pt\"><span style=\"font-family:Helvetica\">\u00a0\u00a0\u00a0\u00a0\u200b\u00a0\u200bprint <span style=\"color:#3e3e3e\"><em>&#8220;<\/em><\/span><\/span><span style=\"font-family:\u5b8b\u4f53\"><em>\u8fde<\/em><\/span><span style=\"color:#3e3e3e\"><em><span style=\"font-family:Helvetica\">IOPS<\/span><span style=\"font-family:\u5b8b\u4f53\">\u90fd\u4e0d\u6ee1\u8db3\uff0c\u4e0d\u7528\u8003\u8651\u5bb9\u91cf\u5566\uff01<\/span><\/em><span style=\"font-family:Helvetica\"><em>&#8220;<\/em><br \/>\n\t\t\t\t\t\t<\/span><\/span><\/span><\/p>\n<p style=\"background: white\"><span style=\"color:#548dd4; font-family:Helvetica; font-size:12pt\">end if<span style=\"color:#3e3e3e\"><br \/>\n\t\t\t\t\t<\/span><\/span><\/p>\n<p style=\"background: white\">\n\u00a0<\/p>\n<p style=\"background: white\"><span style=\"color:#3e3e3e; font-size:12pt\"><span style=\"font-family:Helvetica\">\u00a0\u00a0\u00a0<em>\u00a0\u200b\u00a0<\/em><\/span><em><span style=\"font-family:\u5b8b\u4f53\">\u5728\u8bbe\u8ba1\u65b9\u6848\u4e2d\uff0c\u7279\u522b\u662f\u865a\u62df\u5316\u5e73\u53f0\u9879\u76ee\u4e2d\uff0c\u524d\u671f\u7684\u89c4\u5212\u7279\u522b\u91cd\u8981\uff0c<\/span><span style=\"font-family:Helvetica\">CPU<\/span><span style=\"font-family:\u5b8b\u4f53\">\u3001\u5185\u5b58\u3001\u7f51\u7edc\u56fa\u7136\u91cd\u8981\uff0c\u4f46\u8bf7\u5343\u4e07\u522b\u5fd8\u8bb0\u5b58\u50a8\u8bbe\u8ba1\uff0c\u4e5f\u4e0d\u8981\u4ec5\u4ec5\u5bf9\u5bb9\u91cf\u8fdb\u884c\u8003\u8651\uff0c\u5426\u5219\u5728\u65e5\u540e\u5ba2\u6237\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u80af\u5b9a\u4e5f\u4f1a\u7ed9\u60a8\u5e26\u6765\u9ebb\u70e6\uff0c\u5e0c\u671b\u4eca\u5929\u7684\u8fd9\u7bc7\u5fae\u6587\u80fd\u7ed9\u60a8\u4ee5\u540e\u5e26\u6765\u4e00\u70b9\u70b9<\/span><span style=\"font-family:Helvetica\">&#8220;<\/span><span style=\"font-family:\u5b8b\u4f53\">\u629b\u7816\u5f15\u7389<\/span><span style=\"font-family:Helvetica\">&#8220;<\/span><span style=\"font-family:\u5b8b\u4f53\">\u7684\u542f\u53d1\u5427\uff1a\uff09<\/span><span style=\"font-family:Helvetica\"><br \/>\n\t\t\t\t\t\t<\/span><\/em><\/span><\/p>\n<p style=\"background: white\">\n\u00a0<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/vmcloud.info\/wp-content\/uploads\/2015\/05\/052715_1559_3.png\" alt=\"\"\/><span style=\"font-family:\u5b8b\u4f53; font-size:12pt\"><br \/>\n\t\t\t\t<\/span><\/p>\n<p style=\"text-align: center; background: white\"><img decoding=\"async\" src=\"https:\/\/vmcloud.info\/wp-content\/uploads\/2015\/05\/052715_1559_4.png\" alt=\"\"\/><span style=\"color:#3e3e3e; font-size:12pt\"><span style=\"font-family:Helvetica\"><br \/><\/span><span style=\"font-family:\u5b8b\u4f53\">\uff08\u624b\u673a\u5fae\u4fe1\u957f\u6309\u4e8c\u7ef4\u7801\u53ef\u81ea\u52a8\u8bc6\u522b\uff09<\/span><span style=\"font-family:Helvetica\"><br \/>\n\t\t\t\t\t<\/span><\/span><\/p>\n<p style=\"background: white\">\n\u00a0<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/vmcloud.info\/wp-content\/uploads\/2015\/05\/052715_1559_5.png\" alt=\"\"\/><span style=\"font-family:\u5b8b\u4f53; font-size:12pt\"><br \/>\n\t\t\t\t<\/span><\/p>\n<p style=\"background: white\"><span style=\"color:#3e3e3e; font-size:12pt\"><span style=\"font-family:\u5fae\u8f6f\u96c5\u9ed1\">\u5173\u6ce8\u65b9\u5f0f<\/span><span style=\"font-family:Helvetica\"><br \/>\n\t\t\t\t\t<\/span><\/span><\/p>\n<p style=\"background: white\"><span style=\"color:#3e3e3e; 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