{"id":3099,"date":"2021-01-07T16:44:29","date_gmt":"2021-01-07T08:44:29","guid":{"rendered":"https:\/\/www.gbase8.cn\/?p=3099"},"modified":"2021-05-08T16:48:30","modified_gmt":"2021-05-08T08:48:30","slug":"gbase-8a%e5%8a%a0%e8%bd%bdhadoop%e6%8a%a5%e9%94%99couldnt-connect-to-server-operation-category-read-is-not-supported-in-state-standby","status":"publish","type":"post","link":"https:\/\/www.gbase8.cn\/en\/3099","title":{"rendered":"\u5357\u5927\u901a\u7528GBase 8a\u52a0\u8f7dhadoop\u62a5\u9519Couldn\u2019t connect to server  Operation category READ is not supported in state standby"},"content":{"rendered":"<p>\u4ece\u9519\u8bef\u4fe1\u606f\u770b\uff0c\u62a5\u9519\u539f\u56e0\u662fhadoop\u7684\u95ee\u9898<strong><strong>\u3002<\/strong><\/strong><\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Directory Navigation<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a2ad3e52934b\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a2ad3e52934b\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.gbase8.cn\/en\/3099\/#%E5%88%86%E6%9E%90\" >Analyse<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.gbase8.cn\/en\/3099\/#%E5%8E%9F%E5%9B%A0\" >\u539f\u56e0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.gbase8.cn\/en\/3099\/#%E8%A7%A3%E5%86%B3%E6%96%B9%E6%B3%95\" >\u89e3\u51b3\u65b9\u6cd5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.gbase8.cn\/en\/3099\/#%E5%8F%82%E8%80%83\" >\u53c2\u8003<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%88%86%E6%9E%90\"><\/span>Analyse<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>\u4ece\u62a5\u9519\u4e2d\u53ef\u4ee5\u5206\u6790\u51fa\u9519\u8bef\uff1a<\/strong>\u5176\u4e2dOperation category READ is not supported in state standby<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%8E%9F%E5%9B%A0\"><\/span><strong>\u539f\u56e0<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u914d\u7f6e\u4e86Hadoop HA\uff0c\u542f\u52a8\u4e86\u4e00\u4e2ahadoop NameNode\u65f6\u800c\u542f\u52a8\u7684NameNode\u4e3astandby\u72b6\u6001\u3002<\/p>\n\n\n\n<p>&nbsp; \u67e5\u770bnn1\u72b6\u6001\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20190422154759961.png\" alt=\"\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%A7%A3%E5%86%B3%E6%96%B9%E6%B3%95\"><\/span><strong>\u89e3\u51b3\u65b9\u6cd5<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>\uff1a<\/strong>\u5c06standby\u72b6\u6001\u624b\u52a8\u6539\u4e3aactive\u72b6\u6001<\/p>\n\n\n\n<p><strong>&nbsp; \u6b65\u9aa4\uff1a<\/strong><\/p>\n\n\n\n<p><strong>1.\u5c06standby\u72b6\u6001\u624b\u52a8\u5207\u6362\u4e3aactive\u72b6\u6001<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20190422154954825.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTMxNjgwODQ=,size_16,color_FFFFFF,t_70\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u8fd9\u4e2a\u5f3a\u5236\u5207\u6362\u7684\u8981\u6c42\u5c31\u662f\u7528\u6237\u5fc5\u987b\u6ca1\u6709\u4efb\u4f55\u5bf9\u5143\u6570\u636e\u7684\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p>\u67e5\u770bnn1\u72b6\u6001\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20190422155107191.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>2.\u91cd\u65b0\u542f\u52a8zkfc\uff08\u5728sbin\u76ee\u5f55\u4e0b\uff09<\/strong><\/p>\n\n\n\n<p>&nbsp; &nbsp; \u6b65\u9aa41\u540e\uff0cZKFC\u5c06\u505c\u6b62\u5de5\u4f5c\uff0c\u5c06\u4e0d\u4f1a\u518d\u6709\u81ea\u52a8\u6545\u969c\u5207\u6362\u7684\u4fdd\u969c\uff0c\u7279\u522b\u662f\u6709\u65f6\u5019\uff0cHadoop\u7684RM\u5728ZKFC\u6b63\u5e38\u5de5\u4f5c\u7684\u60c5\u51b5\u4e0b\uff0c\u4e5f\u4f1a\u51fa\u73b0\u4e24\u4e2astandby\uff0c\u751a\u81f3\u660e\u660e\u4e00\u4e2a\u662factive\uff0c\u4e00\u4e2a\u662fstandby\uff0c\u4e5f\u4f1a\u62a5\u4e00\u4e2a\u4ec0\u4e48 Operation category READ is not supported in state standby \u4ec0\u4e48\u4ec0\u4e48\u7684\u9519\u8bef\u3002\u6240\u4ee5<strong>\u5f3a\u5236\u5207\u6362\u5b8c\u4ee5\u540e\uff0c<\/strong><strong>\u9700\u8981<\/strong><strong>\u91cd\u65b0\u542f\u52a8ZKFC<\/strong><strong>\u3002<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$.\/hadoop -daemon.sh start zkfc<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%8F%82%E8%80%83\"><\/span>\u53c2\u8003<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/blog.csdn.net\/u013168084\/article\/details\/89453273\">https:\/\/blog.csdn.net\/u013168084\/article\/details\/89453273<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>\u5357\u5927\u901a\u7528GBase 8a\u52a0\u8f7dhadoop\u62a5\u9519Couldn\u2019t connect to server  Operation category READ is not supported in state standby<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[54],"tags":[10],"class_list":["post-3099","post","type-post","status-publish","format-standard","hentry","category-gbase8a","tag-10"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/3099","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/comments?post=3099"}],"version-history":[{"count":2,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/3099\/revisions"}],"predecessor-version":[{"id":3101,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/3099\/revisions\/3101"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=3099"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=3099"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=3099"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}