<\/span>Remove Folder Contents<\/span><\/h3>\nFolder: \/opt\/solrfcdata<\/em><\/p>\nHost: solr02<\/strong><\/p>\nCritical Note: THIS COMMAND SHOULD BE ISSUED ONLY ON solr02.<\/strong><\/p>\n\u00a0<\/strong>command(as root):<\/strong><\/p>\nsystemctl stop solrd\r\nrm -rf \/opt\/solrfcdata\/*<\/pre>\n<\/span>Update Firewall Rules<\/span><\/h3>\nComplete this step whenever needed, as in the below example on CentOS.<\/p>\n
Host: solr01, solr02<\/strong><\/p>\ncommand(as root):<\/strong><\/p>\nfirewall-cmd --permanent --add-port 8983\/tcp\r\nfirewall-cmd --reload<\/pre>\nWith these steps completed, the Solr installation has been carried out to successfully prepare the environment for HA clusters.<\/p>\n
<\/span>Step 3: Set Up Pacemaker<\/span><\/h2>\nHost: solr01, solr02, solr03<\/strong><\/p>\n<\/span>Edit \/etc\/hosts<\/em> File<\/span><\/h3>\nAdd the entries for all 3 cluster nodes, so that the file reads as follows:<\/p>\n
coresponding_ip\u00a0\u00a0\u00a0 solr01\r\ncoresponding_ip\u00a0\u00a0\u00a0 solr02\r\ncoresponding_ip\u00a0\u00a0\u00a0 solr03<\/pre>\nExample:<\/strong><\/p>\nFile: cat \/etc\/hosts<\/em><\/p>\n
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