{"id":2961,"date":"2018-09-16T14:13:20","date_gmt":"2018-09-16T14:13:20","guid":{"rendered":"http:\/\/dbtut.com\/?p=2961"},"modified":"2018-11-24T18:42:45","modified_gmt":"2018-11-24T18:42:45","slug":"installing-percona-xtradb-cluster-with-three-nodes-on-ubuntu-16-04-step-by-step","status":"publish","type":"post","link":"https:\/\/dbtut.com\/index.php\/2018\/09\/16\/installing-percona-xtradb-cluster-with-three-nodes-on-ubuntu-16-04-step-by-step\/","title":{"rendered":"Installing Percona XtraDB Cluster with three nodes on Ubuntu 16.04 Step By Step"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p>Percona XtraDB Cluster is a active\/active database clustering solution for MySQL. It ensures high availability, prevents downtime and data loss, and provides linear scalability for a growing environment<\/p>\n<p><strong>Features of Percona XtraDB Cluster include:<\/strong><\/p>\n<ul>\n<li>Synchronous replication<\/li>\n<li>Multi-master replication<\/li>\n<li>True parallel replication<\/li>\n<li>Automatic node provisioning<\/li>\n<li>Data consistency<\/li>\n<li>PXC Strict Mode<\/li>\n<li>Configuration script for ProxySQL<\/li>\n<li>Automatic configuration of SSL encryption<\/li>\n<li>Optimized Performance<\/li>\n<\/ul>\n<p>I will give you the steps to install it step by step:<\/p>\n<p>&nbsp;<\/p>\n<h4>1. Fetch the package for configuring Percona software repository:<\/h4>\n<pre class=\"lang:default decode:true \">wget https:\/\/repo.percona.com\/apt\/percona-release_0.1-4.$(lsb_release -sc)_all.deb<\/pre>\n<p>&nbsp;<\/p>\n<h4>2. Install the downloaded package with dpkg:<\/h4>\n<pre class=\"lang:default decode:true \">dpkg -i percona-release_0.1-4.$(lsb_release -sc)_all.deb\r\nls \/etc\/apt\/sources.list.d\/percona-release.list<\/pre>\n<p>&nbsp;<\/p>\n<h4>3. Update the local cache:<\/h4>\n<pre class=\"lang:default decode:true \">apt-get update<\/pre>\n<p>&nbsp;<\/p>\n<h4>4. Install the Percona XtraDB Cluster server package and qpress package:<\/h4>\n<pre class=\"lang:default decode:true \">apt-get install percona-xtradb-cluster-full-57 qpress<\/pre>\n<p>&nbsp;<\/p>\n<h4>5. Login to MySQL and make some users with some permissions because we will use it later<\/h4>\n<pre class=\"lang:default decode:true \">mysql -u root -p\r\ngrant all privileges on *.* to 'sstuser'@'%' identified by 'pass' with grant option;\r\nGRANT RELOAD, LOCK TABLES, PROCESS, REPLICATION CLIENT ON *.* TO 'sstuser'@'%';\r\ngrant all privileges on *.* to 'user'@'%' identified by 'pass' with grant option;\r\nFLUSH PRIVILEGES;\r\nexit<\/pre>\n<p>&nbsp;<\/p>\n<h4>6. Stop the mysql service in order to start again and take the changes:<\/h4>\n<pre class=\"lang:default decode:true \">service mysql stop<\/pre>\n<p>&nbsp;<\/p>\n<h4>7. Pinning the Packages in order not to make upgrade later<\/h4>\n<pre class=\"lang:default decode:true \">vim \/etc\/apt\/preferences.d\/00percona.pref\r\n\r\nPackage: *\r\nPin: release o=Percona Development Team\r\nPin-Priority: 1001<\/pre>\n<p>&nbsp;<\/p>\n<h4>8. Now Configure Cluster on the first &amp; Second and The third nodes<\/h4>\n<pre class=\"lang:default decode:true\">vim \/etc\/mysql\/percona-xtradb-cluster.conf.d\/wsrep.cnf<\/pre>\n<p>&nbsp;<\/p>\n<h5><span style=\"font-size: 12pt;\">##Node1<\/span><\/h5>\n<pre class=\"lang:default decode:true \">wsrep_provider=\/usr\/lib\/libgalera_smm.so\r\nwsrep_cluster_name=dbcluster\r\nwsrep_cluster_address=gcomm:\/\/192.168.1.2,192.168.1.3,192.168.1.4\r\nwsrep_node_name=dbnode1\r\nwsrep_node_address=192.168.1.2\r\nwsrep_sst_method=xtrabackup-v2\r\nwsrep_sst_auth=sstuser:pass\r\npxc_strict_mode=ENFORCING\r\nbinlog_format=ROW\r\ndefault_storage_engine=InnoDB\r\ninnodb_autoinc_lock_mode=2<\/pre>\n<p>&nbsp;<\/p>\n<p><strong>##Node2<\/strong><\/p>\n<pre class=\"lang:default decode:true \">wsrep_provider=\/usr\/lib\/libgalera_smm.so\r\nwsrep_cluster_name=dbcluster\r\nwsrep_cluster_address=gcomm:\/\/192.168.1.2,192.168.1.3,192.168.1.4\r\nwsrep_node_name=dbnode2\r\nwsrep_node_address=192.168.1.3\r\nwsrep_sst_method=xtrabackup-v2\r\nwsrep_sst_auth=sstuser:pass\r\npxc_strict_mode=ENFORCING\r\nbinlog_format=ROW\r\ndefault_storage_engine=InnoDB\r\ninnodb_autoinc_lock_mode=2<\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong>##Node3<\/strong><\/p>\n<pre class=\"lang:default decode:true \">wsrep_provider=\/usr\/lib\/libgalera_smm.so\r\nwsrep_cluster_name=dbcluster\r\nwsrep_cluster_address=gcomm:\/\/192.168.1.2,192.168.1.3,192.168.1.4\r\nwsrep_node_name=dbnode3\r\nwsrep_node_address=192.168.1.4\r\nwsrep_sst_method=xtrabackup-v2\r\nwsrep_sst_auth=sstuser:pass\r\npxc_strict_mode=ENFORCING\r\nbinlog_format=ROW\r\ndefault_storage_engine=InnoDB\r\ninnodb_autoinc_lock_mode=2<\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h4>8. Start the first node as the primary node<\/h4>\n<pre class=\"lang:default decode:true \">\/etc\/init.d\/mysql bootstrap-pxc<\/pre>\n<p>&nbsp;<\/p>\n<h4>9. Login to MySQL and run below query to check status of replication<\/h4>\n<pre class=\"lang:default decode:true \">mysql -u root -p\r\n\r\nshow status like 'wsrep%';<\/pre>\n<p>&nbsp;<\/p>\n<h4>10. Check these variables to be sure the node now is ready<\/h4>\n<pre class=\"lang:default decode:true \">wsrep_local_state_comment Synced\r\nwsrep_cluster_status Primary\r\nwsrep_cluster_size 1 \/\/ means how many nodes inside the cluster\r\nwsrep_connected ON\r\nwsrep_ready ON<\/pre>\n<p>&nbsp;<\/p>\n<h4>11. Start the second &amp; the third nodes and check the variables again<\/h4>\n<pre class=\"lang:default decode:true \">\/etc\/init.d\/mysql start\r\nshow status like 'wsrep%';\r\n\r\nwsrep_local_state_comment Synced\r\nwsrep_cluster_status Primary\r\nwsrep_cluster_size 3 \/\/ means other nodes now added to the cluster.\r\nwsrep_connected ON\r\nwsrep_ready ON<\/pre>\n<p>&nbsp;<\/p>\n<p>Now it&#8217;s finished and your Percona XtraDB Cluster is ready to use without any downtime and with high availability for three nodes.<\/p>\n<p>Beside XtraDB Cluster you have to make load balancing for these three nodes, the best recommended solution from my side Percona MySQL Proxy which I will explain in another article soon.<\/p>\n<p>If you have any question about my article please don&#8217;t hesitate to write a comment here and I will happily reply.<\/p>\n<p>Thanks for reading my article.<\/p>\n\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_2961\" class=\"pvc_stats all  \" data-element-id=\"2961\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/dbtut.com\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Percona XtraDB Cluster is a active\/active database clustering solution for MySQL. It ensures high availability, prevents downtime and data loss, and provides linear scalability for a growing environment Features of Percona XtraDB Cluster include: Synchronous replication Multi-master replication True parallel replication Automatic node provisioning Data consistency PXC Strict Mode Configuration script for ProxySQL Automatic &hellip;<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_2961\" class=\"pvc_stats all  \" data-element-id=\"2961\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/dbtut.com\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"author":189,"featured_media":2987,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[7],"tags":[1492,1301,1493,1495,1494],"class_list":["post-2961","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-mysql","tag-database-cluster","tag-mysql","tag-percona","tag-percona-xtradb-cluster","tag-xtradb-cluster"],"aioseo_notices":[],"a3_pvc":{"activated":true,"total_views":1085,"today_views":0},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - 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