Add Node Back to Cluster which was deleted without removing GI and RDBMS binaries.
0. Environment
1. Backup OCR
2. Cluster Node Addition
3. Run root.sh on new node RAC2
4. Check cluster status
5. Pin Node
6. Add instance to OCR
7. Update Inventory
One node RAC 11.2.0.3 (Not RAC ONE), single node RAC. Earlier it was two node RAC setup, recently i have deleted 2nd node from cluster for testing.
Node name: RAC1
OS: RHEL 5
DATABASE: nike, Instance: nike1
Task: We are going to add node “RAC2″ to our existing cluster.
Current Status
[root@rac1 ~]# crsctl stat res -t
--------------------------------------------------------------------------------
NAME TARGET STATE SERVER STATE_DETAILS
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.DATA.dg
ONLINE ONLINE rac1
ora.DATA1.dg
ONLINE ONLINE rac1
ora.LISTENER.lsnr
ONLINE ONLINE rac1
ora.asm
ONLINE ONLINE rac1 Started
ora.gsd
OFFLINE OFFLINE rac1
ora.net1.network
ONLINE ONLINE rac1
ora.ons
ONLINE ONLINE rac1
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.LISTENER_SCAN1.lsnr
1 ONLINE ONLINE rac1
ora.LISTENER_SCAN2.lsnr
1 ONLINE ONLINE rac1
ora.LISTENER_SCAN3.lsnr
1 ONLINE ONLINE rac1
ora.cvu
1 ONLINE ONLINE rac1
ora.nike.db
1 ONLINE ONLINE rac1 Open
ora.nike.nike_srv.svc
1 ONLINE ONLINE rac1
ora.oc4j
1 ONLINE ONLINE rac1
ora.rac1.vip
1 ONLINE ONLINE rac1
ora.scan1.vip
1 ONLINE ONLINE rac1
ora.scan2.vip
1 ONLINE ONLINE rac1
ora.scan3.vip
1 ONLINE ONLINE rac1
[root@rac1 ~]#
[root@rac1 ~]# ocrconfig -manualbackup rac1 2015/06/23 05:46:12 /u01/app/11.2.0/grid/cdata/rac-scan/backup_20150623_054612.ocr rac1 2015/06/23 02:39:07 /u01/app/11.2.0/grid/cdata/rac-scan/backup_20150623_023907.ocr rac1 2015/06/19 23:38:03 /u01/app/11.2.0/grid/cdata/rac-scan/backup_20150619_233803.ocr [root@rac1 ~]#
Note: Pre-node check failed. Hence need to set the environment variable IGNORE_PREADDNODE_CHECKS=Y before running addNode.sh otherwise, the silent node addition will fail without showing any errors to the console.
As GI Home owner
From active node RAC1
[oracle@rac1 ~]$ cd /u01/app/11.2.0/grid/oui/bin/ [oracle@rac1 bin]$ IGNORE_PREADDNODE_CHECKS=Y [oracle@rac1 bin]$ export IGNORE_PREADDNODE_CHECKS [oracle@rac1 bin]$ ./addNode.sh -silent -noCopy "CLUSTER_NEW_NODES={rac2}" "CLUSTER_NEW_VIRTUAL_HOSTNAMES={rac2-vip}" Starting Oracle Universal Installer... Checking swap space: must be greater than 500 MB. Actual 5671 MB Passed Oracle Universal Installer, Version 11.2.0.3.0 Production Copyright (C) 1999, 2011, Oracle. All rights reserved. Performing tests to see whether nodes rac2 are available ............................................................... 100% Done. . ----------------------------------------------------------------------------- Cluster Node Addition Summary Global Settings Source: /u01/app/11.2.0/grid New Nodes Space Requirements New Nodes rac2 /u01: Required 7.50GB : Available 5.54GB Installed Products Product Names Oracle Grid Infrastructure 11.2.0.3.0 Sun JDK 1.5.0.30.03 Installer SDK Component 11.2.0.3.0 Oracle One-Off Patch Installer 11.2.0.1.7 Oracle Universal Installer 11.2.0.3.0 Oracle USM Deconfiguration 11.2.0.3.0 Oracle Configuration Manager Deconfiguration 10.3.1.0.0 Enterprise Manager Common Core Files 10.2.0.4.4 Oracle DBCA Deconfiguration 11.2.0.3.0 Oracle RAC Deconfiguration 11.2.0.3.0 Oracle Quality of Service Management (Server) 11.2.0.3.0 Installation Plugin Files 11.2.0.3.0 Universal Storage Manager Files 11.2.0.3.0 Oracle Text Required Support Files 11.2.0.3.0 Automatic Storage Management Assistant 11.2.0.3.0 Oracle Database 11g Multimedia Files 11.2.0.3.0 Oracle Multimedia Java Advanced Imaging 11.2.0.3.0 Oracle Globalization Support 11.2.0.3.0 Oracle Multimedia Locator RDBMS Files 11.2.0.3.0 Oracle Core Required Support Files 11.2.0.3.0 Bali Share 1.1.18.0.0 Oracle Database Deconfiguration 11.2.0.3.0 Oracle Quality of Service Management (Client) 11.2.0.3.0 Expat libraries 2.0.1.0.1 Oracle Containers for Java 11.2.0.3.0 Perl Modules 5.10.0.0.1 Secure Socket Layer 11.2.0.3.0 Oracle JDBC/OCI Instant Client 11.2.0.3.0 Oracle Multimedia Client Option 11.2.0.3.0 LDAP Required Support Files 11.2.0.3.0 Character Set Migration Utility 11.2.0.3.0 Perl Interpreter 5.10.0.0.2 PL/SQL Embedded Gateway 11.2.0.3.0 OLAP SQL Scripts 11.2.0.3.0 Database SQL Scripts 11.2.0.3.0 Oracle Extended Windowing Toolkit 3.4.47.0.0 SSL Required Support Files for InstantClient 11.2.0.3.0 SQL*Plus Files for Instant Client 11.2.0.3.0 Oracle Net Required Support Files 11.2.0.3.0 Oracle Database User Interface 2.2.13.0.0 RDBMS Required Support Files for Instant Client 11.2.0.3.0 RDBMS Required Support Files Runtime 11.2.0.3.0 XML Parser for Java 11.2.0.3.0 Oracle Security Developer Tools 11.2.0.3.0 Oracle Wallet Manager 11.2.0.3.0 Enterprise Manager plugin Common Files 11.2.0.3.0 Platform Required Support Files 11.2.0.3.0 Oracle JFC Extended Windowing Toolkit 4.2.36.0.0 RDBMS Required Support Files 11.2.0.3.0 Oracle Ice Browser 5.2.3.6.0 Oracle Help For Java 4.2.9.0.0 Enterprise Manager Common Files 10.2.0.4.3 Deinstallation Tool 11.2.0.3.0 Oracle Java Client 11.2.0.3.0 Cluster Verification Utility Files 11.2.0.3.0 Oracle Notification Service (eONS) 11.2.0.3.0 Oracle LDAP administration 11.2.0.3.0 Cluster Verification Utility Common Files 11.2.0.3.0 Oracle Clusterware RDBMS Files 11.2.0.3.0 Oracle Locale Builder 11.2.0.3.0 Oracle Globalization Support 11.2.0.3.0 Buildtools Common Files 11.2.0.3.0 Oracle RAC Required Support Files-HAS 11.2.0.3.0 SQL*Plus Required Support Files 11.2.0.3.0 XDK Required Support Files 11.2.0.3.0 Agent Required Support Files 10.2.0.4.3 Parser Generator Required Support Files 11.2.0.3.0 Precompiler Required Support Files 11.2.0.3.0 Installation Common Files 11.2.0.3.0 Required Support Files 11.2.0.3.0 Oracle JDBC/THIN Interfaces 11.2.0.3.0 Oracle Multimedia Locator 11.2.0.3.0 Oracle Multimedia 11.2.0.3.0 HAS Common Files 11.2.0.3.0 Assistant Common Files 11.2.0.3.0 PL/SQL 11.2.0.3.0 HAS Files for DB 11.2.0.3.0 Oracle Recovery Manager 11.2.0.3.0 Oracle Database Utilities 11.2.0.3.0 Oracle Notification Service 11.2.0.3.0 SQL*Plus 11.2.0.3.0 Oracle Netca Client 11.2.0.3.0 Oracle Net 11.2.0.3.0 Oracle JVM 11.2.0.3.0 Oracle Internet Directory Client 11.2.0.3.0 Oracle Net Listener 11.2.0.3.0 Cluster Ready Services Files 11.2.0.3.0 Oracle Database 11g 11.2.0.3.0 ----------------------------------------------------------------------------- Instantiating scripts for add node (Tuesday, June 23, 2015 6:01:55 AM IST) . 1% Done. Instantiation of add node scripts complete Saving inventory on nodes (Tuesday, June 23, 2015 6:03:32 AM IST) . 100% Done. Save inventory complete WARNING: The following configuration scripts need to be executed as the "root" user in each new cluster node. Each script in the list below is followed by a list of nodes. /u01/app/11.2.0/grid/root.sh #On nodes rac2 To execute the configuration scripts: 1. Open a terminal window 2. Log in as "root" 3. Run the scripts in each cluster node The Cluster Node Addition of /u01/app/11.2.0/grid was successful. Please check '/tmp/silentInstall.log' for more details. [oracle@rac1 bin]$
Note: set environment properly, better set ORACLE_HOME tag for above script like below
./addNode.sh -silent -noCopy ORACLE_HOME=/u01/app/11.2.0/grid “CLUSTER_NEW_NODES={rac2}” “CLUSTER_NEW_VIRTUAL_HOSTNAMES={rac2-vip}”
3. Run root.sh on new node RAC2
Form Node RAC2
As root
[root@rac2 ~]# /u01/app/11.2.0/grid/root.sh Performing root user operation for Oracle 11g The following environment variables are set as: ORACLE_OWNER= oracle ORACLE_HOME= /u01/app/11.2.0/grid Enter the full pathname of the local bin directory: [/usr/local/bin]: The contents of "dbhome" have not changed. No need to overwrite. The contents of "oraenv" have not changed. No need to overwrite. The contents of "coraenv" have not changed. No need to overwrite. Entries will be added to the /etc/oratab file as needed by Database Configuration Assistant when a database is created Finished running generic part of root script. Now product-specific root actions will be performed. Using configuration parameter file: /u01/app/11.2.0/grid/crs/install/crsconfig_params User ignored Prerequisites during installation OLR initialization - successful Adding Clusterware entries to inittab CRS-4402: The CSS daemon was started in exclusive mode but found an active CSS daemon on node rac1, number 1, and is terminating An active cluster was found during exclusive startup, restarting to join the cluster clscfg: EXISTING configuration version 5 detected. clscfg: version 5 is 11g Release 2. Successfully accumulated necessary OCR keys. Creating OCR keys for user 'root', privgrp 'root'.. Operation successful. Preparing packages for installation... cvuqdisk-1.0.9-1 Configure Oracle Grid Infrastructure for a Cluster ... succeeded [root@rac2 ~]#
[oracle@rac1 ~]$ crsctl stat res -t -------------------------------------------------------------------------------- NAME TARGET STATE SERVER STATE_DETAILS -------------------------------------------------------------------------------- Local Resources -------------------------------------------------------------------------------- ora.DATA.dg ONLINE ONLINE rac1 ONLINE ONLINE rac2 ora.DATA1.dg ONLINE ONLINE rac1 ONLINE ONLINE rac2 ora.LISTENER.lsnr ONLINE ONLINE rac1 ONLINE ONLINE rac2 ora.asm ONLINE ONLINE rac1 Started ONLINE ONLINE rac2 Started ora.gsd OFFLINE OFFLINE rac1 OFFLINE OFFLINE rac2 ora.net1.network ONLINE ONLINE rac1 ONLINE ONLINE rac2 ora.ons ONLINE ONLINE rac1 ONLINE ONLINE rac2 -------------------------------------------------------------------------------- Cluster Resources -------------------------------------------------------------------------------- ora.LISTENER_SCAN1.lsnr 1 ONLINE ONLINE rac2 ora.LISTENER_SCAN2.lsnr 1 ONLINE ONLINE rac1 ora.LISTENER_SCAN3.lsnr 1 ONLINE ONLINE rac1 ora.cvu 1 ONLINE ONLINE rac1 ora.nike.db 1 ONLINE ONLINE rac1 Open ora.nike.nike_srv.svc 1 ONLINE ONLINE rac1 ora.oc4j 1 ONLINE ONLINE rac1 ora.rac1.vip 1 ONLINE ONLINE rac1 ora.rac2.vip 1 ONLINE ONLINE rac2 ora.scan1.vip 1 ONLINE ONLINE rac2 ora.scan2.vip 1 ONLINE ONLINE rac1 ora.scan3.vip 1 ONLINE ONLINE rac1 [oracle@rac1 ~]$
As root from node RAC1
[root@rac1 ~]# olsnodes -s -t rac1 Active Pinned rac2 Active Unpinned [root@rac1 ~]# [root@rac1 ~]# crsctl pin css -n rac2 CRS-4664: Node rac2 successfully pinned. [root@rac1 ~]# [root@rac1 ~]# olsnodes -s -t rac1 Active Pinned rac2 Active Pinned <<<< [root@rac1 ~]#
As ORACLE HOME owner
[oracle@rac1 ~]$ which srvctl /u01/app/oracle/product/11.2.0/db_1/bin/srvctl << you should run from ORACLE_HOME [oracle@rac1 ~]$ [oracle@rac1 ~]$ srvctl status database -d nike -v Instance nike1 is running on node rac1 with online services nike_srv. Instance status: Open. [oracle@rac1 ~]$ [oracle@rac1 ~]$ srvctl add instance -d nike -i nike2 -n rac2 [oracle@rac1 ~]$ [oracle@rac1 ~]$ srvctl status database -d nike -v Instance nike1 is running on node rac1 with online services nike_srv. Instance status: Open. Instance nike2 is not running on node rac2 <<<< Instance added, we need start manually [oracle@rac1 ~]$ [oracle@rac1 ~]$ srvctl start instance -d nike -i nike2 [oracle@rac1 ~]$ [oracle@rac1 ~]$ srvctl status database -d nike -v Instance nike1 is running on node rac1 with online services nike_srv. Instance status: Open. Instance nike2 is running on node rac2. Instance status: Open. <<< Now it is running [oracle@rac1 ~]$
Note: addNode script will automatically update NODE_LIST for GI Home.
<HOME NAME="Ora11g_gridinfrahome1" LOC="/u01/app/11.2.0/grid" TYPE="O" IDX="1" CRS="true">
<NODE_LIST>
<NODE NAME="rac1"/>
<NODE NAME="rac2"/> <<< automatically updated NODE_LIST by addnode script.
</NODE_LIST>
</HOME>
<HOME NAME="OraDb11g_home1" LOC="/u01/app/oracle/product/11.2.0/db_1" TYPE="O" IDX="2">
<NODE_LIST>
<NODE NAME="rac1"/>
<<<< Need to update NODE_LIST manually for ORACLE_HOME
</NODE_LIST>
</HOME>
[oracle@rac1 ~]$ cd /u01/app/oracle/product/11.2.0/db_1/oui/bin
[oracle@rac1 bin]$ ./runInstaller -updateNodeList ORACLE_HOME=/u01/app/oracle/product/11.2.0/db_1 "CLUSTER_NODES={rac1,rac2}"
Starting Oracle Universal Installer...
Checking swap space: must be greater than 500 MB. Actual 5671 MB Passed
The inventory pointer is located at /etc/oraInst.loc
The inventory is located at /u01/app/oraInventory
'UpdateNodeList' was successful.
[oracle@rac1 bin]$
<HOME NAME="Ora11g_gridinfrahome1" LOC="/u01/app/11.2.0/grid" TYPE="O" IDX="1" CRS="true">
<NODE_LIST>
<NODE NAME="rac1"/>
<NODE NAME="rac2"/>
</NODE_LIST>
</HOME>
<HOME NAME="OraDb11g_home1" LOC="/u01/app/oracle/product/11.2.0/db_1" TYPE="O" IDX="2">
<NODE_LIST>
<NODE NAME="rac1"/>
<NODE NAME="rac2"/> << updated node list.
</NODE_LIST>
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