During installation - Oracle Database Configuration Assistance, I have got below error and thus I stuck. As per Metalink note 293988.1, this will be resolved if I do [root@localhos]# echo 1 > /proc/sys/vm/disable_cap_mlock . But problem is when I do this because I dont have /proc/sys/vm/disable_cap_mlock file in my system, it giving ¨bash: /proc/sys/vm/disable_cap_mlock: No such file or directory¨ error. So I am unable to get rid of this error. I also set SELinux Default and Current mode as permissible and rebooted it.
No use, Its giving same error.
ORA-27125: Unable to create shared memory segment. DB Details_
Oracle 10g Release 2 (10.2) for Linux x86-64
Choosen Basic Installation OS Details:_
*[root@localhost vm]# uname -rm*
*[root@localhost vm]# uname -a*
Linux localhost.localdomain 2.6.32-100.0.19.el5 #1 SMP Fri Sep 17 17:51:41 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux
*[root@localhost etc]# cat /etc/redhat-release*
Red Hat Enterprise Linux Server release 5.5 (Tikanga)
*[root@localhost etc]# make -v*
GNU Make 3.81
Copyright (C) 2006 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
This program built for x86_64-redhat-linux-gnu
This is bugging me since last two days. Any help would be appreciated.
Thanks in advance.
Thanks for reply.
I have taken care about parameters carefully one by one as per installation doc. But, I might have missed one or two prerequisite RPMs. I would again go through one by one and post the result here. Meantime, if anyone gone through similar situation and got resolved, please help me.
Version: Oracle 10g Release 2 (10.2) for Linux x86-64. Chosen Basic Installation.
Edited by: TechMahi.com on Nov 3, 2010 4:55 AM
Please check first installation guide which is avaliable at:
What is your linux version? Check Linux Certification part at upper link, than check *3 Preinstallation Requirements part*, be sure you have all related rpm and also kernel settings and retest issue
Trust me I verified installtion guide and release notes atleast 20 times. I never had luck witht any thing. I was wondering how come edelivery.oracle.com packages (both Linux 64 bit Linux with upgrade to Unbreakable and Oracle 10g db version) is not workign for me. Finally below trick to the installed file could make my installation work(Ref link http://www.oracle-base.com/articles/10g/OracleDB10gInstallationOnFedora2.php) . In this I am setting DISABLE_HUGETLBFS to value 1. My only doubt is, does this have any impact on performance? Can some one relay on such tweeking for prod installtions? Ofcourse I am yet to go for commercial. At present I dont have ULN or metalink authorised access.
mv oracle oracle.bin
cat >oracle <<"EOF"
exec $ORACLE_HOME/bin/oracle.bin $@
chmod +x oracle
Edited by: TechMahi.com on Nov 7, 2010 10:15 PM
If you installed the database successfully without any error then it won't be any problem. It won't create any impact on your database performance.
Also, upgrade your database into latest patch set 10.2.0.5.0 Check the below metalink note when you will get the access.
Oracle database upgrade path reference list [ID 730365.1 ]
-- close the thread as well
As already outlined, both installations are phased out. Enterprise Linux 5.5 is already too far ahead for the Oracle 10gR2 installer, which was designed for RHEL 3/4.
You will need to perform the usual preinstallation steps as outlined in the standard installation guide, but run the installer using:
$ ./runInstaller -ignoreSysPrereqs
If you have access to "My Oracle Support", review article ID 421308.1 "Requirements For Installing Oracle10gR2 On RHEL 5/OEL 5 (x86_64)".