{"id":3895,"date":"2018-04-30T09:30:17","date_gmt":"2018-04-30T01:30:17","guid":{"rendered":"https:\/\/ixyzero.com\/blog\/?p=3895"},"modified":"2018-04-30T09:30:17","modified_gmt":"2018-04-30T01:30:17","slug":"%e7%b3%bb%e7%bb%9f%e5%8f%af%e7%94%a8%e6%80%a7%e8%a1%a1%e9%87%8f%e6%8c%87%e6%a0%87%e5%ad%a6%e4%b9%a0","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/3895.html","title":{"rendered":"\u7cfb\u7edf\u53ef\u7528\u6027\u8861\u91cf\u6307\u6807\u5b66\u4e60"},"content":{"rendered":"<p>=Start=<\/p>\n<h4 id=\"id-\u6a21\u677f-\u7f18\u7531\uff1a\">\u7f18\u7531\uff1a<\/h4>\n<p>\u60f3\u6574\u7406\u4e00\u4e0b\u6700\u8fd1\u770b\u5230\u7684\u6216\u662f\u60f3\u5230\u7684\u5173\u4e8e\u7cfb\u7edf\u53ef\u7528\u6027\u8861\u91cf\u7684\u4e00\u4e9b\u6307\u6807\uff0c\u4e00\u65b9\u9762\u662f\u5728\u6574\u7406\u4e2d\u5b66\u4e60\uff0c\u53e6\u4e00\u65b9\u9762\u662f\u4e3a\u4e86\u65b9\u4fbf\u4ee5\u540e\u68c0\u7d22\u548c\u53c2\u8003\u3002<\/p>\n<h4 id=\"id-\u6a21\u677f-\u6b63\u6587\uff1a\">\u6b63\u6587\uff1a<\/h4>\n<h5 id=\"id-\u6a21\u677f-\u53c2\u8003\u89e3\u7b54\uff1a\">\u53c2\u8003\u89e3\u7b54\uff1a<\/h5>\n<p>1. <span style=\"color: #ff0000;\"><strong>MTBF\u2014\u2014\u5168\u79f0\u662fMean Time Between Failure\uff0c\u5373\u5e73\u5747\u65e0\u6545\u969c\u5de5\u4f5c\u65f6\u95f4\u3002<\/strong><\/span>\u5c31\u662f\u4ece\u65b0\u7684\u4ea7\u54c1\u5728\u89c4\u5b9a\u7684\u5de5\u4f5c\u73af\u5883\u6761\u4ef6\u4e0b\u5f00\u59cb\u5de5\u4f5c\u5230\u51fa\u73b0\u7b2c\u4e00\u4e2a\u6545\u969c\u7684\u65f6\u95f4\u7684\u5e73\u5747\u503c\u3002<strong>MTBF\u8d8a\u957f\u8868\u793a\u53ef\u9760\u6027\u8d8a\u9ad8\u3001\u6b63\u786e\u5de5\u4f5c\u80fd\u529b\u8d8a\u5f3a \u3002<\/strong><\/p>\n<p>2. <strong><span style=\"color: #ff0000;\">MTTR\u2014\u2014\u5168\u79f0\u662fMean Time To Repair\uff0c\u5373\u5e73\u5747\u4fee\u590d\u65f6\u95f4\u3002<\/span><\/strong>\u662f\u6307\u53ef\u4fee\u590d\u4ea7\u54c1\u7684\u5e73\u5747\u4fee\u590d\u65f6\u95f4\uff0c\u5c31\u662f\u4ece\u51fa\u73b0\u6545\u969c\u5230\u4fee\u590d\u4e2d\u95f4\u7684\u8fd9\u6bb5\u65f6\u95f4\u3002<strong>MTTR\u8d8a\u77ed\u8868\u793a\u6613\u6062\u590d\u6027\u8d8a\u597d\u3002<\/strong><\/p>\n<p>3. <span style=\"color: #ff0000;\"><strong>MTTF\u2014\u2014\u5168\u79f0\u662fMean Time To Failure\uff0c\u5373\u5e73\u5747\u5931\u6548\u65f6\u95f4\u3002<\/strong><\/span>\u7cfb\u7edf\u5e73\u5747\u80fd\u591f\u6b63\u5e38\u8fd0\u884c\u591a\u957f\u65f6\u95f4\uff0c\u624d\u53d1\u751f\u4e00\u6b21\u6545\u969c\u3002\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u8d8a\u9ad8\uff0c\u5e73\u5747\u65e0\u6545\u969c\u65f6\u95f4\u8d8a\u957f\u3002<\/p>\n<p style=\"text-align: center;\"><span style=\"color: #0000ff;\"><strong>MTBF = MTTF + MTTR<\/strong><\/span><\/p>\n<hr \/>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3902\" src=\"https:\/\/ixyzero.com\/blog\/wp-content\/uploads\/2018\/04\/\u505c\u673a\u65f6\u95f4.jpeg\" alt=\"\" width=\"1152\" height=\"542\" srcset=\"https:\/\/ixyzero.com\/wp-content\/uploads\/2018\/04\/\u505c\u673a\u65f6\u95f4.jpeg 1152w, https:\/\/ixyzero.com\/wp-content\/uploads\/2018\/04\/\u505c\u673a\u65f6\u95f4-300x141.jpeg 300w, https:\/\/ixyzero.com\/wp-content\/uploads\/2018\/04\/\u505c\u673a\u65f6\u95f4-768x361.jpeg 768w, https:\/\/ixyzero.com\/wp-content\/uploads\/2018\/04\/\u505c\u673a\u65f6\u95f4-1024x482.jpeg 1024w\" sizes=\"auto, (max-width: 1152px) 100vw, 1152px\" \/><\/p>\n<p>&amp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3901\" src=\"https:\/\/ixyzero.com\/blog\/wp-content\/uploads\/2018\/04\/mttr.jpeg\" alt=\"\" width=\"2396\" height=\"1080\" srcset=\"https:\/\/ixyzero.com\/wp-content\/uploads\/2018\/04\/mttr.jpeg 2396w, https:\/\/ixyzero.com\/wp-content\/uploads\/2018\/04\/mttr-300x135.jpeg 300w, https:\/\/ixyzero.com\/wp-content\/uploads\/2018\/04\/mttr-768x346.jpeg 768w, https:\/\/ixyzero.com\/wp-content\/uploads\/2018\/04\/mttr-1024x462.jpeg 1024w\" sizes=\"auto, (max-width: 2396px) 100vw, 2396px\" \/><\/p>\n<ul>\n<li>\u53d1\u73b0\u65f6\u957f\/\u53d1\u73b0\u65b9\uff08Meam Time To Detect\/Identify\uff09<\/li>\n<li>\u54cd\u5e94\u65f6\u957f\/\u4e8b\u6545\u5904\u7406\u6d41\u7a0b\uff08Mean Time To Response\uff09<\/li>\n<li>\u5b9a\u4f4d\u65f6\u957f\/\u5b9a\u4f4d\u65b9\uff08Mean Time To Diagnose\uff09<\/li>\n<li>\u5904\u7406\u65f6\u957f\/\u5904\u7406\u65b9\uff08Mean Time To Fix\uff09<\/li>\n<li>\u5f71\u54cd\u65f6\u957f\/\u5f71\u54cd\u65b9\uff08Mean Time To Resolve\uff09<\/li>\n<li>\u635f\u5931\/\u5b9a\u7ea7<\/li>\n<\/ul>\n<hr \/>\n<p>\u53ef\u9760\u6027\u662f\u6700\u521d\u662f\u786e\u5b9a\u4e00\u4e2a\u7cfb\u7edf\u5728\u4e00\u4e2a\u7279\u5b9a\u7684\u8fd0\u884c\u65f6\u95f4\u5185\u6709\u6548\u8fd0\u884c\u7684\u6982\u7387\u7684\u4e00\u4e2a\u6807\u51c6\u3002\u53ef\u9760\u6027\u7684\u8861\u91cf\u9700\u8981\u7cfb\u7edf\u5728\u67d0\u6bb5\u65f6\u95f4\u5185\u4fdd\u6301\u6b63\u5e38\u7684\u8fd0\u884c\u3002<\/p>\n<p>\u76ee\u524d\uff0c\u4f7f\u7528\u6700\u4e3a\u5e7f\u6cdb\u7684\u4e00\u4e2a\u8861\u91cf\u53ef\u9760\u6027\u7684\u53c2\u6570\u662f\uff0cMTTF(mean time to failure\uff0c\u5e73\u5747\u5931\u6548\u65f6\u95f4)\uff0c\u5b9a\u4e49\u4e3a\u968f\u673a\u53d8\u91cf\u3001\u51fa\u9519\u65f6\u95f4\u7b49\u7684&#8221;\u671f\u671b\u503c&#8221;\u3002\u4f46\u662f\uff0cMTTF\u7ecf\u5e38\u88ab\u9519\u8bef\u5730\u7406\u89e3\u4e3a\uff0c&#8221;\u80fd\u4fdd\u8bc1\u7684\u6700\u77ed\u7684\u751f\u547d\u5468\u671f&#8221;\u3002MTTF\u7684\u957f\u77ed\uff0c\u901a\u5e38\u4e0e\u4f7f\u7528\u5468\u671f\u4e2d\u7684\u4ea7\u54c1\u6709\u5173\uff0c\u5176\u4e2d\u4e0d\u5305\u62ec\u8001\u5316\u5931\u6548\u3002<\/p>\n<p><span style=\"color: #ff0000;\">\u53ef\u7528\u6027<strong>Availability = MTBF \/ (MTBF + MTTR)<\/strong><\/span>\uff0c\u4e00\u822c\u6211\u4eec\u90fd\u662f\u7528N\u4e2a9\u6765\u8868\u8fbe\u7cfb\u7edf\u53ef\u7528\u6027\uff0c\u7528\u5b95\u673a\u65f6\u957f\u6765\u8bf4\u66f4\u597d\u7406\u89e3\uff0c\u5982\u679c\u4ee5\u5168\u5e74\u4e3a\u5468\u671f\uff0824*365=8760\u4e2a\u5c0f\u65f6\uff09\uff0c3\u4e2a9(99.9%)\u5c31\u610f\u5473\u7740\u5168\u5e74\u5b95\u673a\u65f6\u957f\u662f525.6\u5206\u949f\uff0c4\u4e2a9(99.99%)\u662f52.6\u5206\u949f\uff0c5\u4e2a9\uff0899.999%\uff09\u662f5\u5206\u949f\u3002\u7528\u76f4\u89c2\u7684\u6570\u636e\u5c55\u793a\u5982\u4e0b\uff1a<\/p>\n<table cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td valign=\"top\" width=\"170\">\u53ef\u7528\u6027<\/td>\n<td valign=\"top\" width=\"383\">\u5b95\u673a\u65f6\u95f4<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"170\" height=\"5\">99.9999% \uff086\u4e2a9\uff09<\/td>\n<td valign=\"top\" width=\"383\" height=\"5\">31\u79d2\/\u5e74<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"170\">99.999% \uff085\u4e2a9\uff09<\/td>\n<td valign=\"top\" width=\"383\">5\u5206\u949f\/\u5e74<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"170\">99.99% \uff084\u4e2a9\uff09<\/td>\n<td valign=\"top\" width=\"383\">52\u5206\u949f\/\u5e74<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"170\">99.9% \uff083\u4e2a9\uff09<\/td>\n<td valign=\"top\" width=\"383\">8.76\u5c0f\u65f6\/\u5e74<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5 id=\"id-\u6a21\u677f-\u53c2\u8003\u94fe\u63a5\uff1a\">\u53c2\u8003\u94fe\u63a5\uff1a<\/h5>\n<ul>\n<li><a href=\"https:\/\/mp.weixin.qq.com\/s\/MJm-v4qVWkATHl6LyXmjUw\">\u5e73\u5747\u4fee\u590d\u65f6\u95f4(MTTR)<\/a><\/li>\n<li><a href=\"https:\/\/mp.weixin.qq.com\/s\/_L_Rf-ZkGRXN6CpE8RuekA\">\u3010\u626f\u6de1\u7bc7\u3011\u6545\u969c\uff0c\u8fd0\u7ef4\u7684\u89c9\u9192\u529b\uff1f<\/a><\/li>\n<li><a href=\"https:\/\/mp.weixin.qq.com\/s\/J1kolTiKXxF7WCCK4VicaQ\">\u8fd0\u7ef4\u53ef\u7528\u6027\u80fd\u529b\u5efa\u8bbe<\/a><\/li>\n<li><a href=\"http:\/\/wiki.mbalib.com\/wiki\/MTTR\">MTTR<\/a>\/<a href=\"http:\/\/wiki.mbalib.com\/wiki\/MTBF\">MTBF<\/a><\/li>\n<li><a href=\"https:\/\/blog.csdn.net\/wangjianno2\/article\/details\/48210977\">\u7cfb\u7edf\u53ef\u7528\u6027\u8861\u91cf\u6307\u6807MTTR|MTTF|MTBF<\/a><\/li>\n<li><a href=\"http:\/\/www.elecfans.com\/baike\/cunchushebei\/cidaiku\/20100109156891.html\">MTTR\/MTTF\/MTBF\u56fe\u89e3<\/a><\/li>\n<\/ul>\n<p>=END=<\/p>\n","protected":false},"excerpt":{"rendered":"<p>=Start= \u7f18\u7531\uff1a \u60f3\u6574\u7406\u4e00\u4e0b\u6700\u8fd1\u770b\u5230\u7684\u6216\u662f\u60f3\u5230\u7684\u5173\u4e8e\u7cfb\u7edf\u53ef\u7528\u6027\u8861\u91cf\u7684\u4e00\u4e9b\u6307\u6807\uff0c\u4e00\u65b9\u9762\u662f\u5728\u6574\u7406\u4e2d\u5b66\u4e60\uff0c\u53e6\u4e00 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23,12],"tags":[1116,1115,1114,1113],"class_list":["post-3895","post","type-post","status-publish","format-standard","hentry","category-knowledgebase-2","category-tools","tag-mtbf","tag-mttf","tag-mttr","tag-1113"],"views":8789,"_links":{"self":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/3895","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/comments?post=3895"}],"version-history":[{"count":2,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/3895\/revisions"}],"predecessor-version":[{"id":3903,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/3895\/revisions\/3903"}],"wp:attachment":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/media?parent=3895"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/categories?post=3895"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/tags?post=3895"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}