INSTALL 2.docx - http\/billhamilton.com\/wp\/oracle\/installing-oracle-11gr2-on-rhel6-in-4-long-steps Installing Oracle 11gR2 On RHEL6 In 4(Long Steps

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Installing Oracle 11gR2 On RHEL6 In 4 (Long) Steps Installing Oracle 11gR2 On RHEL6 In 4 (Long) Steps April 30, 2011 |Posted in: Oracle , Posts , RHEL6 18 Comments Home » Blog » Oracle » Installing Oracle 11gR2 On RHEL6 In 4 (Long) Steps
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My database development activities center around Oracle 11g and I recently installed the 11.2.0.1.0 x86_64 on a RHEL6 server. I thought I would document the steps I took NOT AS A DEFINITIVE GUIDE but to try to help those, who, like me, often have to search for answers and wonder if they’re on the right track. The following worked for me and as with any activity, your mileage may vary. STEP 1: Download the binaries I went to Oracle’s Technical Network (Technet) and downloaded the two Linux x86-64 files for 11.2.0.1.0.
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I moved these to my backup drive (/bkup) and unzipped them with: unzip linux.x64_11gR2_database_1of2.zip unzip linux.x64_11gR2_database_2of2.zip This provided me with a single directory containing the 11gR2 binaries at /bkup/database STEP 2: Prerequisites There are many prerequisites to installing Oracle 11gR2 and the following are the steps I took. Update /etc/sysctl.conf vi /etc/sysctl.conf Scroll to the bottom and add the following: # ########################### # ORACLE PARMS # ########################### kernel.shmall = 2097152 kernel.shmmax = 2147483648 kernel.shmmni = 4096 kernel.sem = 250 32000 100 128 net.core.rmem_default = 4194304 net.core.rmem_max = 4194304 net.core.wmem_default = 262144 net.ipv4.ip_local_port_range = 9000 65500 fs.file-max = 6815744 net.core.wmem_max = 1048576 fs.aio-max-nr = 1048576 Update /etc/security/limits.conf vi /etc/security/limits.conf Scroll to the bottom and above the “# End of file” line, add: oracle soft nproc 2047 oracle hard nproc 16384 oracle soft nofile 1024 oracle hard nofile 65536 Add users and groups The following needed to be added: groupadd -g 501 oinstall groupadd -g 502 dba groupadd -g 503 oper useradd -u 502 -g oinstall -G dba,oper oracle -p oracle Create directories and grant permissions Oracle has a particular structure they like to use and I have mine. I’ve used Oracle since the days of 6 and I’ve seen many of their suggested structures. I have one that works for my needs. mkdir /opt/oracle mkdir /u01
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chown -R oracle:oinstall /u01 chmod -R 775 /u01 chown -R oracle:oinstall /opt/oracle chmod -R 775 /opt/oracle Switch to the bkup directory and setup the permissions there: cd /bkup chown -R oracle:oinstall database chmod -R 775 database Set up the oracle user environment su oracle vi /home/oracle/.bash_profile Add the following (use hostname from the command line to get your hostname and use the correct paths for your install): export TMP=/tmp export TMPDIR=$TMP export ORACLE_HOSTNAME=local_host /bkup*********** export ORACLE_UNQNAME=oracle-test export ORACLE_BASE=/opt/oracle export ORACLE_HOME=$ORACLE_BASE/product/11.2.0/db_1 export ORACLE_SID=oracle1 export PATH=/usr/sbin:$ORACLE_HOME/bin:$PATH
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