{"id":3451,"date":"2012-06-03T09:10:13","date_gmt":"2012-06-03T13:10:13","guid":{"rendered":"http:\/\/onlineappsdba.com\/?p=3451"},"modified":"2017-02-28T10:25:06","modified_gmt":"2017-02-28T14:25:06","slug":"voting-disk-and-ocr-in-11gr2","status":"publish","type":"post","link":"https:\/\/onlineappsdba.com\/index.php\/2012\/06\/03\/voting-disk-and-ocr-in-11gr2\/","title":{"rendered":"Voting disk and OCR management in 11gR2 RAC"},"content":{"rendered":"<p><strong>OCR<\/strong>: It created at the time of Grid Installation. It&#8217;s store information to manage Oracle cluster-ware and it&#8217;s component such as RAC database, listener, VIP,Scan IP &amp; Services.<br \/>\nMinimum 1 and maximum 5 copy of OCR is possible.<br \/>\n<strong>Voting Disk<\/strong>: It manage information about node membership. Each voting disk must be accessible by all nodes in the cluster.If any node is not passing heat-beat across other note or voting disk, then that node will be evicted by Voting disk.<br \/>\nMinimum 1 and maximum 15 copy of voting disk is possible.<\/p>\n<p>New Facts:<\/p>\n<ul>\n<li>We can store OCR And Voting disk on ASM or certified cluster file system.<\/li>\n<li>We can dynamically add or replace voting disk &amp; OCR.<\/li>\n<li>Backup of Voting disk using &#8220;dd&#8221; command not supported.<\/li>\n<li>Voting disk and OCR can be keep in same disk-group or different disk-group<\/li>\n<li>Voting disk and OCR\u00a0automatic backup kept together in a single file.<\/li>\n<li>Automatic backup of Voting disk and OCR happen after every four hours, end of the day, end of the week<\/li>\n<li>You must have root or sudo privilege account to manage it.<\/li>\n<\/ul>\n<p><strong>To find current location of Voting disk:<\/strong><br \/>\n[oracle@rsingle ~]$ crsctl query css votedisk<br \/>\n##\u00a0 STATE\u00a0\u00a0\u00a0 File Universal Id\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 File Name Disk group<br \/>\n&#8212;\u00a0 &#8212;&#8211;\u00a0\u00a0\u00a0 &#8212;&#8212;&#8212;&#8212;&#8212;&#8211;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 &#8212;&#8212;&#8212; &#8212;&#8212;&#8212;<br \/>\n1. ONLINE\u00a0\u00a0 6a60a2c3510c4fbfbff62dcdc279b247 (ORCL:DATA1) [DATA]<\/p>\n<p><strong>Relocate or multiplexing Voting disk to another disk-group (With normal redundancy)<\/strong><\/p>\n<p>[root@rsingle ~]# \/u01\/app\/11.2.0\/grid\/bin\/crsctl replace votedisk +CRS<br \/>\nSuccessful addition of voting disk afb77b2693a24f1ebfe876784103e82a.<br \/>\nSuccessful addition of voting disk 3e2542c5b1154ffdbfc8b6dea7dce390.<br \/>\nSuccessful addition of voting disk 8e0f3c5921cc4f93bf223de1465d83cc.<br \/>\nSuccessful deletion of voting disk 6a60a2c3510c4fbfbff62dcdc279b247.<br \/>\nSuccessfully replaced voting disk group with +CRS.<br \/>\nCRS-4266: Voting file(s) successfully replaced<\/p>\n<p><strong>New location of Voting disk:<\/strong><br \/>\n[root@rsingle ~]# \/u01\/app\/11.2.0\/grid\/bin\/crsctl query css votedisk<br \/>\n##\u00a0 STATE\u00a0\u00a0\u00a0 File Universal Id\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 File Name Disk group<br \/>\n&#8212;\u00a0 &#8212;&#8211;\u00a0\u00a0\u00a0 &#8212;&#8212;&#8212;&#8212;&#8212;&#8211;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 &#8212;&#8212;&#8212; &#8212;&#8212;&#8212;<br \/>\n1. ONLINE\u00a0\u00a0 afb77b2693a24f1ebfe876784103e82a (ORCL:DATA2) [CRS]<br \/>\n2. ONLINE\u00a0\u00a0 3e2542c5b1154ffdbfc8b6dea7dce390 (ORCL:DATA3) [CRS]<br \/>\n3. ONLINE\u00a0\u00a0 8e0f3c5921cc4f93bf223de1465d83cc (ORCL:DATA4) [CRS]<br \/>\nLocated 3 voting disk(s).<\/p>\n<p><strong>To find location of Corrent OCR:<\/strong><\/p>\n<p>[oracle@rsingle ~]$ ocrcheck<br \/>\nStatus of Oracle Cluster Registry is as follows :<br \/>\nVersion\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 :\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3<br \/>\nTotal space (kbytes)\u00a0\u00a0\u00a0\u00a0 :\u00a0\u00a0\u00a0\u00a0 262120<br \/>\nUsed space (kbytes)\u00a0\u00a0\u00a0\u00a0\u00a0 :\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2964<br \/>\nAvailable space (kbytes) :\u00a0\u00a0\u00a0\u00a0 259156<br \/>\nID\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 : 1390115973<br \/>\nDevice\/File Name\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 :\u00a0\u00a0\u00a0\u00a0\u00a0 +DATA<br \/>\nDevice\/File integrity check succeeded<\/p>\n<p>Device\/File not configured<\/p>\n<p>Device\/File not configured<\/p>\n<p>Device\/File not configured<\/p>\n<p>Device\/File not configured<\/p>\n<p>Cluster registry integrity check succeeded<\/p>\n<p>Logical corruption check bypassed due to non-privileged user<br \/>\n<strong>Create mirror copy of OCR online<\/strong><br \/>\n[oracle@rsingle ~]$ sudo ocrconfig -add +CRS<br \/>\nPassword:<\/p>\n<p><strong>Check location of OCR after mirror copy creation:<\/strong><br \/>\n[root@rsingle ~]# \/u01\/app\/11.2.0\/grid\/bin\/ocrcheck<br \/>\nStatus of Oracle Cluster Registry is as follows :<br \/>\nVersion\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 :\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3<br \/>\nTotal space (kbytes)\u00a0\u00a0\u00a0\u00a0 :\u00a0\u00a0\u00a0\u00a0 262120<br \/>\nUsed space (kbytes)\u00a0\u00a0\u00a0\u00a0\u00a0 :\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2964<br \/>\nAvailable space (kbytes) :\u00a0\u00a0\u00a0\u00a0 259156<br \/>\nID\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 : 1390115973<br \/>\nDevice\/File Name\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 :\u00a0\u00a0\u00a0\u00a0\u00a0 +DATA<br \/>\nDevice\/File integrity check succeeded<br \/>\nDevice\/File Name\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 :\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 +CRS<br \/>\nDevice\/File integrity check succeeded<\/p>\n<p>Device\/File not configured<\/p>\n<p>Device\/File not configured<\/p>\n<p>Device\/File not configured<\/p>\n<p>Cluster registry integrity check succeeded<\/p>\n<p>Logical corruption check succeeded<\/p>\n<p>Another file to find location of OCR:<\/p>\n<p>[root@rsingle ~]# cat \/etc\/oracle\/ocr.loc<br \/>\n#Device\/file\u00a0 getting replaced by device +CRS<br \/>\nocrconfig_loc=+DATA<br \/>\nocrmirrorconfig_loc=+CRS<\/p>\n<p>Did you get a chance to download Free Interview Questions related to Database ? If not, download it here\u00a0<a href=\"http:\/\/k21academy.com\/oracle-dba-12c-interview-question\">http:\/\/k21academy.com\/oracle-dba-12c-interview-question<\/a><\/p>\n<p><a href=\"http:\/\/k21academy.com\/oracle-dba-12c-interview-question\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-11718\" src=\"https:\/\/onlineappsdba.com\/wp-content\/uploads\/2009\/08\/IMG-20170225-WA0010-1024x154.jpg\" alt=\"IMG-20170225-WA0010\" width=\"1024\" height=\"154\" srcset=\"https:\/\/onlineappsdba.com\/wp-content\/uploads\/2009\/08\/IMG-20170225-WA0010-1024x154.jpg 1024w, https:\/\/onlineappsdba.com\/wp-content\/uploads\/2009\/08\/IMG-20170225-WA0010-150x23.jpg 150w, https:\/\/onlineappsdba.com\/wp-content\/uploads\/2009\/08\/IMG-20170225-WA0010-300x45.jpg 300w, https:\/\/onlineappsdba.com\/wp-content\/uploads\/2009\/08\/IMG-20170225-WA0010-80x12.jpg 80w, https:\/\/onlineappsdba.com\/wp-content\/uploads\/2009\/08\/IMG-20170225-WA0010-220x33.jpg 220w, https:\/\/onlineappsdba.com\/wp-content\/uploads\/2009\/08\/IMG-20170225-WA0010-250x38.jpg 250w, https:\/\/onlineappsdba.com\/wp-content\/uploads\/2009\/08\/IMG-20170225-WA0010-280x42.jpg 280w, https:\/\/onlineappsdba.com\/wp-content\/uploads\/2009\/08\/IMG-20170225-WA0010-510x77.jpg 510w, https:\/\/onlineappsdba.com\/wp-content\/uploads\/2009\/08\/IMG-20170225-WA0010-750x113.jpg 750w, https:\/\/onlineappsdba.com\/wp-content\/uploads\/2009\/08\/IMG-20170225-WA0010-975x146.jpg 975w, https:\/\/onlineappsdba.com\/wp-content\/uploads\/2009\/08\/IMG-20170225-WA0010-1190x179.jpg 1190w, https:\/\/onlineappsdba.com\/wp-content\/uploads\/2009\/08\/IMG-20170225-WA0010.jpg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>OCR: It created at the time of Grid Installation. It&#8217;s store information to manage Oracle cluster-ware and it&#8217;s component such [&hellip;]<\/p>\n","protected":false},"author":115,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[],"class_list":["post-3451","post","type-post","status-publish","format-standard","hentry","category-rac"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Voting disk and OCR management in 11gR2 RAC -<\/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:\/\/onlineappsdba.com\/index.php\/2012\/06\/03\/voting-disk-and-ocr-in-11gr2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Voting disk and OCR management in 11gR2 RAC -\" \/>\n<meta property=\"og:description\" content=\"OCR: It created at the time of Grid Installation. 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