{"id":612,"date":"2016-06-20T14:28:24","date_gmt":"2016-06-20T08:58:24","guid":{"rendered":"https:\/\/blog.pheonixsolutions.com\/?p=612"},"modified":"2016-06-20T14:28:24","modified_gmt":"2016-06-20T08:58:24","slug":"mongo-cluster-setup","status":"publish","type":"post","link":"https:\/\/pheonixsolutions.com\/blog\/mongo-cluster-setup\/","title":{"rendered":"Mongo Cluster Setup"},"content":{"rendered":"<h2><span style=\"font-weight: 400;\">Mongodb Introduction:<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Mongo is a open source database which uses nosql mechanism to store the data. The advantage of mongodb is simple and no structure is required.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Mongodb Installation:<\/span><\/h2>\n<ol>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Create a file mongodb-org-3.2.repo with the following content on <\/span><i><span style=\"font-weight: 400;\">\/etc\/yum.repos.d\/mongodb-org-3.2.repo<\/span><\/i><\/li>\n<\/ol>\n<p><i><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><\/i><i><span style=\"font-weight: 400;\">[mongodb-org-3.2]<\/span><\/i><\/p>\n<p><i><span style=\"font-weight: 400;\">name=MongoDB Repository<\/span><\/i><\/p>\n<p><i><span style=\"font-weight: 400;\">baseurl=<\/span><\/i><a href=\"https:\/\/repo.mongodb.org\/yum\/redhat\/$releasever\/mongodb-org\/3.2\/x86_64\/\"><i><span style=\"font-weight: 400;\">https:\/\/repo.mongodb.org\/yum\/redhat\/$releasever\/mongodb-org\/3.2\/x86_64\/<\/span><\/i><\/a><\/p>\n<p><i><span style=\"font-weight: 400;\">gpgcheck=1<\/span><\/i><\/p>\n<p><i><span style=\"font-weight: 400;\">enabled=1<\/span><\/i><\/p>\n<p><i><span style=\"font-weight: 400;\">gpgkey=https:\/\/www.mongodb.org\/static\/pgp\/server-3.2.asc<\/span><\/i><\/p>\n<p><span style=\"font-weight: 400;\">2. Install MongoDB server.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><i><span style=\"font-weight: 400;\">yum install -y mongodb-org<\/span><\/i><\/p>\n<p><span style=\"font-weight: 400;\">3. Modify the DB path if you want(\/etc\/mongodb.conf)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><span style=\"font-weight: 400;\">dbPath: \/opt\/mongodata<\/span><\/p>\n<p><span style=\"font-weight: 400;\">4. Start the mongo Service<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><span style=\"font-weight: 400;\">sudo service mongod start<\/span><\/p>\n<p><span style=\"font-weight: 400;\">5. Add the service on reboot safe.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><span style=\"font-weight: 400;\">chkconfig mongod on<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><b>Optional:<\/b><\/p>\n<p><span style=\"font-weight: 400;\">If the mongo is accessed locally, we can leave the bind IP address. If mongodb is called by remote server then we need to bind the port to interface or all interface. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">1. Comment out <\/span><b>bindIp: <\/b><span style=\"font-weight: 400;\">on \/etc\/mongodb.conf<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">More information:<\/span><a href=\"https:\/\/docs.mongodb.com\/manual\/installation\/\"><span style=\"font-weight: 400;\">https:\/\/docs.mongodb.com\/manual\/installation\/<\/span><\/a><\/p>\n<h2><span style=\"font-weight: 400;\">Settingup Mongo Cluster:<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">1. Make sure that there is a connection between hosts to the port 27017.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">2. Modify \/etc\/mongodb.conf with replication configuration on all the hosts.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><span style=\"font-weight: 400;\">replication:<\/span><\/p>\n<p><span style=\"font-weight: 400;\"> \u00a0\u00a0<\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><span style=\"font-weight: 400;\">replSetName: &lt;replicationname&gt;<\/span><\/p>\n<p><span style=\"font-weight: 400;\">3. Restart Mongod service on all Hosts.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">4. On primary hosts, login to mongo terminal and execute the following command.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><span style=\"font-weight: 400;\">&gt;<\/span><i><span style=\"font-weight: 400;\">conf = {<\/span><\/i><\/p>\n<p><i><span style=\"font-weight: 400;\"> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/i><i><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><\/i><i><span style=\"font-weight: 400;\">_id: &#8220;&lt;replicationName&gt;&#8221;,<\/span><\/i><\/p>\n<p><i><span style=\"font-weight: 400;\"> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/i><i><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><\/i><i><span style=\"font-weight: 400;\">members:<\/span><\/i><\/p>\n<p><i><span style=\"font-weight: 400;\"> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/i><i><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><\/i><i><span style=\"font-weight: 400;\">[<\/span><\/i><\/p>\n<p><i><span style=\"font-weight: 400;\"> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/i><i><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><\/i><i><span style=\"font-weight: 400;\">{_id : 0, host : &#8220;Host1IPAddress:27017&#8221;},<\/span><\/i><\/p>\n<p><i><span style=\"font-weight: 400;\"> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/i><i><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><\/i><i><span style=\"font-weight: 400;\">{_id : 1, host : &#8220;Host2IPAddress:27017&#8221;},<\/span><\/i><\/p>\n<p><i><span style=\"font-weight: 400;\"> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/i><i><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><\/i><i><span style=\"font-weight: 400;\">{_id : 2, host : &#8220;Host3IPAddress:27017&#8221;}<\/span><\/i><\/p>\n<p><i><span style=\"font-weight: 400;\"> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/i><i><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><\/i><i><span style=\"font-weight: 400;\">]<\/span><\/i><\/p>\n<p><i><span style=\"font-weight: 400;\"> \u00a0\u00a0\u00a0<\/span><\/i><i><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><\/i><i><span style=\"font-weight: 400;\">}<\/span><\/i><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><span style=\"font-weight: 400;\">&gt;<\/span><i><span style=\"font-weight: 400;\">rs.initiate(conf)<\/span><\/i><\/p>\n<p><span style=\"font-weight: 400;\">5. Check the replication status.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><span style=\"font-weight: 400;\">&gt;rs.status()<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">More Information:<\/span><a href=\"https:\/\/docs.mongodb.com\/manual\/tutorial\/deploy-shard-cluster\/\"><span style=\"font-weight: 400;\">https:\/\/docs.mongodb.com\/manual\/tutorial\/deploy-shard-cluster\/<\/span><\/a><\/p>\n<p>&nbsp;<\/p>\n<h3><span style=\"font-weight: 400;\">Additional Information:<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Mongo has a feature <\/span><b>arbiter.<\/b><span style=\"font-weight: 400;\">An arbiter does not have a copy of data set and cannot become a primary.Replica sets may have arbiters to add a vote in <\/span><i><span style=\"font-weight: 400;\">elections of for primary.<\/span><\/i><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">To add a host which will act as arbiter, follow below information.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">1. Remove the host from existing cluster incase if the host already added in the cluster.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><span style=\"font-weight: 400;\">&gt;rs.remove(&#8220;HOSTIPADDRESS:27017&#8221;);<\/span><\/p>\n<p><span style=\"font-weight: 400;\">2. On Primary replication cluster, <\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><span style=\"font-weight: 400;\">&gt;rs.addArb(&#8220;HOSTIPAddress:27017&#8221;);<\/span><\/p>\n<p><span style=\"font-weight: 400;\">3. Check the replication configuration. You might have seen <\/span><b>&#8220;arbiterOnly&#8221; : true,<\/b><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><span style=\"font-weight: 400;\">&gt;rs.conf()<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span style=\"font-weight: 400;\">Bonus Information:<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">To get current running queries on Mongodb<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><span style=\"font-weight: 400;\">db.currentOp();<\/span><\/p>\n<p><span style=\"font-weight: 400;\">To make the primary to secondary, execute below mentioned command<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><span style=\"font-weight: 400;\">rs.stepDown(300)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">To check Replication Status.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><span style=\"font-weight: 400;\">rs.status()<\/span><\/p>\n<p><span style=\"font-weight: 400;\">To check whether the host is master or not.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0 <\/span><span style=\"font-weight: 400;\">db.isMaster()<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mongodb Introduction: Mongo is a open source database which uses nosql mechanism to store the data. The advantage of mongodb is simple and no structure is required. Mongodb Installation: Create a file mongodb-org-3.2.repo with the following content on \/etc\/yum.repos.d\/mongodb-org-3.2.repo \u00a0\u00a0\u00a0 [mongodb-org-3.2] name=MongoDB Repository baseurl=https:\/\/repo.mongodb.org\/yum\/redhat\/$releasever\/mongodb-org\/3.2\/x86_64\/ gpgcheck=1 enabled=1 gpgkey=https:\/\/www.mongodb.org\/static\/pgp\/server-3.2.asc 2. Install MongoDB&hellip; <a href=\"https:\/\/pheonixsolutions.com\/blog\/mongo-cluster-setup\/\" class=\"more-link read-more\" rel=\"bookmark\">Continue Reading <span class=\"screen-reader-text\">Mongo Cluster Setup<\/span><i class=\"fa fa-arrow-right\"><\/i><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-612","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-uncategorized","7":"h-entry","9":"h-as-article"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pheonix Solutions - We Empower Your Business Growth<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pheonixsolutions.com\/blog\/mongo-cluster-setup\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pheonix Solutions - We Empower Your Business Growth\" \/>\n<meta property=\"og:description\" content=\"Mongodb Introduction: Mongo is a open source database which uses nosql mechanism to store the data. 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The advantage of mongodb is simple and no structure is required. Mongodb Installation: Create a file mongodb-org-3.2.repo with the following content on \/etc\/yum.repos.d\/mongodb-org-3.2.repo \u00a0\u00a0\u00a0 [mongodb-org-3.2] name=MongoDB Repository baseurl=https:\/\/repo.mongodb.org\/yum\/redhat\/$releasever\/mongodb-org\/3.2\/x86_64\/ gpgcheck=1 enabled=1 gpgkey=https:\/\/www.mongodb.org\/static\/pgp\/server-3.2.asc 2. Install MongoDB&hellip; Continue Reading Mongo Cluster Setup","og_url":"https:\/\/pheonixsolutions.com\/blog\/mongo-cluster-setup\/","og_site_name":"PHEONIXSOLUTIONS","article_publisher":"https:\/\/www.facebook.com\/PheonixSolutions-209942982759387\/","article_published_time":"2016-06-20T08:58:24+00:00","og_image":[{"width":3837,"height":2540,"url":"https:\/\/pheonixsolutions.com\/blog\/wp-content\/uploads\/2016\/09\/PX2.png","type":"image\/png"}],"author":"admin","twitter_card":"summary_large_image","twitter_creator":"@pheonixsolution","twitter_site":"@pheonixsolution","twitter_misc":{"Written by":"admin","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/pheonixsolutions.com\/blog\/mongo-cluster-setup\/#article","isPartOf":{"@id":"https:\/\/pheonixsolutions.com\/blog\/mongo-cluster-setup\/"},"author":{"name":"admin","@id":"https:\/\/pheonixsolutions.com\/blog\/#\/schema\/person\/0ffa33d73c869faec2d50e79c24e3503"},"headline":"Mongo Cluster Setup","datePublished":"2016-06-20T08:58:24+00:00","mainEntityOfPage":{"@id":"https:\/\/pheonixsolutions.com\/blog\/mongo-cluster-setup\/"},"wordCount":380,"commentCount":0,"publisher":{"@id":"https:\/\/pheonixsolutions.com\/blog\/#organization"},"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/pheonixsolutions.com\/blog\/mongo-cluster-setup\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/pheonixsolutions.com\/blog\/mongo-cluster-setup\/","url":"https:\/\/pheonixsolutions.com\/blog\/mongo-cluster-setup\/","name":"Pheonix Solutions - 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