11g Release 1 (11.1) for Linux
This document contains important information that was not included in the platform-specific or product-specific documentation for this release. This document supplements Oracle Database Readme.
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Note:The Database Quick Installation Guides are no longer available in printed format. These documents are available with the media in the same location as the software and on Oracle Technology Network.
This document contains the following topics:
The latest certification information for Oracle Database 11g Release 1 (11.1) is available on My Oracle Support (formerly OracleMetaLink) at:
Starting with Oracle Database 11g release 1 (184.108.40.206), Oracle ODBC driver is supported on Linux x86-64 operating systems.
A list of unavailable features and products is available in Section 2, "Features Not Available or Restricted in This Release", in Oracle Database Readme.
Apart from the requirements mentioned in this section, refer to the Oracle Database installation guides for the preinstallation requirements.
Install the latest Linux-PAM (Pluggable Authentication Modules for Linux) library to enable the system administrator to choose how applications authenticate users.
Review the following section for information about issues that affect Oracle Database installation, configuration, and upgrade:
For late-breaking updates and best practices about preupgrade, post-upgrade, compatibility, and interoperability discussions, refer to Note 601807.1 on My Oracle Support (formerly OracleMetaLink)(
https://support.oracle.com/) that links to "Oracle 11g Upgrade Companion" page.
Use the Oracle Fusion Middleware Web Tier Utilities 11g (220.127.116.11.0) media to install Oracle HTTP Server.
When you start upgrading second node from Oracle Database 10g Release 2 to Oracle Database 11g, an error message is displayed while copying files during the upgrade process.
Workaround: Run the upgrade session from the node on which you initially installed Oracle RAC.
This issue is tracked with Oracle bug 6501871.
If you install Oracle Clusterware on shared Oracle home, the
/etc/oratab file lists multiple Automatic Storage instances.
When Automatic Storage Management Oracle home is installed in shared file system to create Automatic Storage Management instances from Oracle Universal Installer, multiple Automatic Storage Management instances are listed in the
Workaround: Oracle Universal Installer detects this issue during the prerequisite checks. You can edit the
/etc/oratab file in each node and remove the entries that are not part of that node. The alternative is to install the software, run the
root.sh script on all nodes and create Automatic Storage Management instance by running Database Configuration Assistant.
The issue is tracked with Oracle bug 5942123.
When you install Oracle RAC in a shared Oracle home on OCFS2, the
ORA-12157 error message is displayed for multiple files.
The health check of Oracle database instances and Automatic Storage Management instances by Oracle Clusterware (CRS) does not work correctly if the Oracle database home is installed on a file system that does not support memory mapped files, such as OCFS2 on Linux.
Workaround: Oracle Clusterware (CRS) and Oracle Enterprise Manager agent try to access the
.dat file and the Automatic Storage Management instance tries to access the
.dat file by using the
mmap function. This means that the
.dat files must be moved to a file system that supports the
mmap functions on all nodes in the cluster. Complete the following procedure to use a location on the local disk drive to store the file:
Use commands similar to the following on all nodes in the cluster, to copy the files to a local drive:
cp $ORACLE_HOME/dbs/hc_SID.dat /local_dir/hc_SID.dat cp $ORACLE_HOME/dbs/ab_SID.dat /local_dir/ab_SID.dat
Use commands similar to the following to remove the file from the cluster file system:
rm $ORACLE_HOME/dbs/hc_SID.dat rm $ORACLE_HOME/dbs/ab_SID.dat
Use commands similar to the following to create a symbolic link to the file in the
ln -s /local_dir/hc_SID.dat $ORACLE_HOME/dbs/hc_SID.dat ln -s /local_dir/ab_SID.dat $ORACLE_HOME/dbs/ab_SID.dat
See Also:Frequently asked question number 49 from the
http://oss.oracle.com/projects/ocfs2/dist/documentation/ocfs2_faq.html#RAClink for more information about OCFS2
This issue is tracked with Oracle bug 4961541.
The following glibc package versions or later are required for Linux x86 and Linux x86-64 systems:
|SUSE Linux Enterprise Server 10 SP2||glibc-2.4-31.63|
|Oracle Linux 4 and Red Hat Enterprise Linux 4||glibc-2.3.4-2.40|
|Oracle Linux 5 and Red Hat Enterprise Linux 5||glibc-2.5-24|
The following are the Linux x86-specific issues that affect Oracle Database installation, configuration, and upgrade:
Note:The issues mentioned in this section are observed only on Linux x86.
If you are creating a database without using Automatic Storage Management and specify Automatic Storage Management to store backup and recovery data, then Oracle Database Configuration Assistant stops responding.
Workaround: Select Do not enable Automated Backups while creating the database and finish the installation process. After the installation process has finished, run Oracle Database Configuration Assistant and configure Backup and Recovery storage.
This issue is tracked with Oracle bug 6417211.
Oracle Universal Installer intermittently displays Oracle Database Configuration Assistant status as failed even after it finishes the installation process successfully.
This behavior is seen intermittently if you leave Oracle Database installation running for a long time without acknowledging the confirmation dialog shown by Oracle Database Configuration Assistant at the end of the database creation. The configured Oracle database and Oracle Database Control function normally. This error can be safely ignored.
This issues is tracked with Oracle bug 6238219.
For all precompiled applications where calculations are done using the extended precision of the x86 Floating Point Unit, you must set the environment variable
EXTENDED before running the application.
Note:Setting this variable will result in non-IEEE compliant floating point results. Hence, the environment variable
ORA_FPU_PRECISIONshould not be set if you are using either of the new datatypes
BINARY_DOUBLE, documented in My Oracle Support (formerly OracleMetaLink) note 246916.1.
The following are the Linux x86-64 specific issues that affect Oracle Database installation, configuration, and upgrade:
Note:The issues mentioned in this section are not observed on Linux x86.
When installing Oracle Database 11g on Asianux Server 3, the Product-Specific Prerequisite Checks screen reports that the operating system requirement checks fail.
Workaround: Change the contents of
Asianux Server 3 (Quartet) to
Asianux release 3 (Quartet).
This issue is tracked with Oracle bug 6457598.
The Product-Specific Prerequisite Checks screen may alter about incorrect value for the
Workaround: If you have set the value for the variable according to the installation guide, you can ignore this alert by selecting the check box available against it and continue with the installation process.
This issue is tracked with Oracle bug 6445078.
In the earlier releases, the
$ORACLE_HOME/lib directory contained all the libraries. However, when installing Oracle Database Instant Client, the 32-Bit libraries are missing from the installation. To resolve this issue,
$ORACLE_HOME/lib32 directory is added to the directory structure to store the 32-Bit libraries.
This issue is tracked with Oracle bug 6338225.
The following sections contain information about issues related to Oracle Database 11g and associated products:
If Oracle Enterprise Manager Database Control is running on Oracle Linux 5 or Red Hat Enterprise Linux 5, Metric Collection Error is displayed for the CPU Usage metric. Due to this issue, the CPU usage information for the host is not displayed. Therefore, you cannot set alert threshold on the host CPU usage.
This issue is tracked with Oracle bug 6316367.
SQL*Plus and Oracle Call Interface (OCI) program calls fail with
SELinux in the
Enforcing mode on Oracle Linux 5.0 and Red Hat Enterprise Linux 5.0. Refer to the My Oracle Support (formerly OracleMetaLink) note 454196.1 for more details about the issue.
Permissive mode on the system.
This issue is tracked with Oracle bugs 6140224 and 6342166.
When you click the Host Administration tab of the Oracle Enterprise Manager Database Control on Oracle Linux 5, the following error is displayed:
This feature is only available on hosts running Red Hat Linux and SUSE Linux Operating Systems.
Due to this issue, you cannot administer the host using Oracle Enterprise Manager Database Control on Oracle Linux 5.
This issue is tracked with Oracle bug 6316469.
The use of the client static library is not supported.
On Red Hat Enterprise Linux 5 and SUSE Linux Enterprise Server 10, standard C header files may contain symbols, such as
__LDBL_REDIR1_DECL, which Pro*C parser fails to recognize.
Workaround: You can use one of the following code in the
.pc files so that the header file does not get included during precompilation:
#ifndef ORA_PROC #include <filename.h> #endif
#ifdef ORA_PROC #define _HEADERFILENAME_H__ #endif
This issue is tracked with Oracle bug 6142780.
When installing Oracle Database 11g, Oracle Universal Installer removes third party library paths from the
LD_LIBRARY_PATH variable for security reasons. Due to this, the relinking of the
rtsora file fails during installation. The
rtsora file can be relinked by updating the
LD_LIBRARY_PATH variable with the path where Cobol libraries are available and calling an appropriate make target. You can use the following commands to make the
$ cd $ORACLE_HOME/precomp/lib $ make -f ins_precomp.mk rtsora
When uploading patches through Oracle Enterprise Manager Database Control using the Mozilla Firefox 1.5 Web browser on Linux, the Web browser window crashes.
Workaround: Start the Mozilla Firefox 1.5 Web browser client from a non-Linux environment or use an alternate Web browser, such as Internet Explorer.
This issue is tracked with Oracle bug 6008421.
Use the following procedure to create block device partitions:
fdisk to create disk partitions on block devices for database files
On each node, create or modify the permissions file in
/etc/udev/permissions.d, to change the permissions of the datafiles from default
root ownership. On Asianux 2, Oracle Linux 4, and Red Hat Enterprise Linux 4, this file should be called
49-oracle.permissions, so that the kernel loads it before the
50-udev.permissions file. On Asianux Server 3, Oracle Linux 5, Red Hat Enterprise Linux 5, and SUSE Linux Enterprise Server 10, this file should be called
51-oracle.permissions, so that the kernel loads it after the
For each partition, use the following syntax in the
-oracle.permissions to set access permissions:
You can also use raw logical volumes as shared storage media for Oracle Database files. After you have created the required partitions, you must bind the partitions to raw devices on every node. However, you must first determine what raw devices are already bound to other devices. Refer to the "5.6.4 Using Raw Logical Volumes on Linux" section of Chapter 5, "Configuring Oracle Real Application Clusters Storage" in Oracle Clusterware Installation Guide for Linux for the procedure to be followed to use raw logical volumes as shared storage media for Oracle Database files.
Install the following operating system packages on Red Hat Enterprise Linux 5/ /Oracle Linux 5 before regenerating Instant Client:
redhat-rpm-config-8.0.45-24.el5.0.1 (Oracle Linux 5)
redhat-rpm-config-8.0.45-24.el5 (Red Hat Enterprise Linux 5)
The following are the Linux x86-64 specific known issues:
Note:The issues mentioned in this section are not observed on Linux x86.
If you use ZH_TW, ZH_CN, or KO_KR locales, the locale builder screen may display multibyte words as square boxes. This is a known JDK font issue for the east Asian languages.
This issue is tracked with Oracle bug 6446186.
OC4JADMIN user is deactivated during the Oracle Database 11g installation process. After the installation is complete, you must modify the
$ORACLE_HOME/oc4j/j2ee/OC4J_SEARCH/config/system-jazn-data.xml file. Replace the following content of the file:
<user deactivated="true"> <name>oc4jadmin</name> <display-name>OC4J Administrator</display-name> <description>OC4J Administrator</description>
<user> <name>oc4jadmin</name> <display-name>OC4J Administrator</display-name> <description>OC4J Administrator</description>
Use the following commands to restart the Oracle Ultra Search middle tier in the Oracle Database:
$ $ORACLE_HOME/bin/searchctl stop $ $ORACLE_HOME/bin/searchctl start
With Oracle Clusterware releases 10.2.0.3 CRS Bundle Patch #3, 10.2.0.4, 18.104.22.168 and 22.214.171.124, the CSS Daemon,
ocssd, is vulnerable to a Linux
GLIBC bug that exists in all Linux distributions supported by Oracle RAC. This bug most commonly appears in the CSS Daemon as a segmentation violation (SEGV), with a CSS Daemon log entry similar to the following:
ERROR: clssscExit: CSSD signal 11 in thread GMClientListener
The bug also causes an error that is registered in the Linux
Oracle CSSD failure 139 Oracle clsomon failed with fatal status 13
If you encounter general instability in Oracle Clusterware, such as random reboots, then you should consider this as an indication of the Linux
GLIBC bug, even in the absence of these error messages.
If you require further diagnostic tests before you apply the recommended kernel patches, then refer to My Oracle Support (formerly OracleMetaLink) node 559365.1 for further information.
The following glibc versions are known to have this problem:
Red Hat and Oracle Linux 4
glibc-2.3.4-2.39 (fixed in
glibc-2.3.4-2.41 included in EL4u7)
Red Hat and Oracle Linux 5
glibc-2.5-18 (fixed in
glibc-2.5-24 included in EL5u2)
SUSE Linux Enterprise Server 10 Service Pack 2
glibc-2.4-31.54 (bug 416838 filed for this problem). Contact Novell for fix availability.
For a description of the
glibc bug, refer to the following URLs:
The distribution version or
glibc version must be updated before you install Oracle Clusterware version 10.2.0.3 CRS Bundle Patch #3, 10.2.0.4 or 126.96.36.199 (or later) to avoid instability, in the form of random node reboots, caused by the
glibc bug. For more details about this issue, refer to My Oracle Support (formerly OracleMetaLink) note 731599.1.
The following section contains corrections related to Oracle Database 11g and associated products:
The "Oracle ODBC Drivers" section in chapter 2 of Oracle Database Installation Guide for Linux, lists the incorrect values
unixODBC-devel-2.2.11 for Oracle ODBC packages. The correct Oracle ODBC package values are
In Oracle Database Installation Guide for Linux, Section 2.7, "Configure Oracle Installation Owner Shell Limits", the third list item has an incorrect reference to the
/etc/profile file. Ignore the entire third list item as making changes in the
/etc/profile file is not required.
Table H-2, "File Size Limits" of Appendix H, "Database Limits" in Oracle Database Administrator's Reference for UNIX-Based Operating Systems Guide, states incorrect value of 20000 database blocks as control file size. The correct value is 25000 control file blocks with a block size of 4096 bytes.
To download the Oracle ASMLib kernel driver, go to the following URL:
This location supersedes any other download location listed in documentation for Oracle ASMLib.
For information about Oracle's commitment to accessibility, visit the Oracle Accessibility Program website at
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Oracle Database Release Notes, 11g Release 1 (11.1) for Linux
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