| Oracle® Database Release Notes 11g Release 2 (11.2) for Linux Part Number E16778-04 |
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| Oracle® Database Release Notes 11g Release 2 (11.2) for Linux Part Number E16778-04 |
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Release Notes
11g Release 2 (11.2) for Linux
E16778-04
September 2010
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.
This document may be updated after it is released. To check for updates to this document and to view other Oracle documentation, refer to the Documentation section on the Oracle Technology Network (OTN) Web site:
http://www.oracle.com/technology/documentation/
This document contains the following topics:
Content Specific to Oracle Database 11g Release 2 (11.2.0.1)
Content Specific to Oracle Database 11g Release 2 (11.2.0.2)
The latest certification information for Oracle Database 11g Release 2 (11.2) is available on My Oracle Support (formerly OracleMetaLink) at:
For late-breaking updates and best practices about preupgrade, postupgrade, compatibility, and interoperability discussions, refer to Note 785351.1 on My Oracle Support (formerly OracleMetaLink) that links to the "Oracle 11gR2 Upgrade Companion" page.
https://support.oracle.com
A list of unavailable features and products is available in Section 2, "Features Not Available or Restricted in This Release," in Oracle Database Readme.
Database Smart Flash Cache Support
Database Smart Flash Cache is supported on Solaris and Oracle Enterprise Linux only. For release 11.2.0.1 on Oracle Enterprise Linux, you must install the 8974084 patch.
Oracle Automatic Storage Management Cluster File System and Oracle Automatic Storage Management Dynamic Volume Manager Support
Oracle Automatic Storage Management Cluster File System and Oracle Automatic Storage Management Dynamic Volume Manager are supported only on Oracle Enterprise Linux 5 and Red Hat Enterprise Linux 5 on Linux x86 and Linux x86-64.
Oracle ACFS and Oracle ADVM are only supported on Solaris 10 Update 6 or later on Oracle Solaris on SPARC 64-bit and Oracle Solaris on x86-64.
Oracle ACFS and Oracle ADVM are only supported on Windows Server 2003 x64 and Windows Server 2003 R2 x64.
Although Oracle ADVM supports raw disks in Oracle Automatic Storage Management disk groups, Oracle ADVM device special files created through raw(8) are not supported; Oracle ADVM only supports block device special files.
Linking Applications With Oracle Client Libraries
The use of the client static library is not supported.
The following content is specific to release 11.2.0.1:
Refer to the installation guides for the preinstallation requirements. The following are the additional requirements:
Red Hat Enterprise Linux 5 and Oracle Enterprise Linux 5 on Linux x86 and Linux x86-64 require Update 2.
The documents that shipped with the media have the incorrect operating system requirements. The documents have been updated on OTN.
If you encounter an Oracle Universal Installer error indicating inadequate swap space size, but your swap space meets the requirements listed in the Oracle Database Installation Guide, then you can ignore this error.
This issue is tracked with Oracle bug 7700929.
You must install the following 32-bit ODBC RPMs on Linux x86 to use ODBC on SUSE 11:
unixODBC-32bit-2.2.12 (32-bit) or later unixODBC-devel-32bit-2.2.12 (32-bit) or later
You must install the following 32-bit ODBC RPMs on Linux x86-64 to use ODBC on SUSE 11:
unixODBC-2.2.12 or later unixODBC-devel-2.2.12 or later unixODBC-32bit-2.2.12 (32-bit) or later
During Oracle grid infrastructure installation for a cluster, when rootcrs.pl installs Oracle ACFS in an unprivileged domain running a Xen or Oracle VM kernel, the base Linux driver installation routines may overwrite grub.conf with an incorrect version. Contact Oracle Support if you see the following error message:
# xm create vm.cfg Using config file "./vm.cfg". Error: Boot loader didn't return any data!
Workaround:
To prevent this error, follow these steps to copy /boot/grub/grub.conf to a backup, and then restore it after the Oracle ACFS installation.
Check for Xen kernel in a domU:
# uname -r
Copy grub.conf to backup:
# cp -a /boot/grub/grub.conf /boot/grub/grub.conf.bak
Install Oracle ACFS using the root script:
# rootcrs.pl
Restore original grub.conf:
cp -a /boot/grub/grub.conf.bak /boot/grub/grub.conf
This issue is tracked with Oracle bug 9268593.
Review the following sections for information about issues that affect Oracle Database installation, configuration, and upgrade:
Oracle Real Application Clusters Upgrade Error When Upgrading from Release 10.1.0.5 to 11.2
Cluster Verification Utility Issue During Oracle Clusterware Upgrade
Oracle RAC Database Installation Error on SUSE Linux Enterprise Server 11
Error When Installing Oracle RAC Database on Oracle Enterprise Linux 5.0 Update 3
A single Oracle Database Client can request only a specific SCAN listener to connect to a database using SCAN and easy connect method. As a result, load balancing by the DNS round-robin is not available.
Workaround:
Connect to a database using the following configuration, specifying LOAD_BALANCE=on, in the tnsnames.ora file:
ORCL =
(DESCRIPTION =
(LOAD_BALANCE=on)
(ADDRESS = (PROTOCOL = TCP)(HOST = stscan1)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = srv.world)
)
)
This issue is tracked with Oracle bug 8256753.
When upgrading from Oracle Database release 10.1.0.5 on Linux x86-64, the following errors may occur in the Database Upgrade Assistant:
ERROR at line 1:
ORA-00604: error occurred at recursive SQL level 3
ORA-00060: deadlock detected while waiting for resource
Workaround: Complete the following steps before upgrading to avoid the errors:
Before starting the release 11.2 upgrade, purge the dba_recyclebin through SQL*Plus using the following command:
SQLPLUS> purge dba_recyclebin;
Disable the recycle bin using the following command:
ALTER SYSTEM set "_recyclebin"=FALSE;
Perform the upgrade.
Enable recycle bin after the release 11.2 upgrade using the following command:
ALTER SESSION SET recyclebin=ON;
This issue is tracked with Oracle bug 8475185.
When installing the grid infrastructure for Oracle Database 11g Release 2 with GNS and the OCR and voting disks on Oracle ASM on Linux x86-64, root.sh may fail with error
PROT-1: Failed to initialize ocrconfig
The failing command is ocrconfig -upgrade user group, and TNS-12560 can be found in sqlnet log file.
Workaround:
Check the /etc/group entry for the group being used by OCR, temporarily reduce the number of users listed for this group, and restart the installation.
This issue is tracked with Oracle bug 8979500.
While upgrading Oracle Clusterware of a previous release to Oracle Grid Infrastructure 11g Release 2 (11.2.0.1.0), Cluster Verification Utility (CVU) may fail if the permission and ownership on the raw devices configured with Oracle Cluster Registry and Voting Disks are incorrect.
Workaround:
Check CVU's output in the installation log file and fix the permissions and ownership on the raw devices. Then, click Retry to run CVU again.
This issue is tracked with Oracle bug 8737732.
When Oracle Database is installed on a Linux environment configured with Oracle VM, Oracle Universal Installer may show package check failures, and the RPM command returns the following error:
# rpm Floating point exception
Workaround:
Upgrade the RPM package to 4.4.2.3 or later.
This issue is tracked with Oracle bug 8626425.
The C++ XDK demos and Pro*C++ Static demos fail to link with the -lstdc++ library giving the following error on Linux x86-64 with SUSE Linux Enterprise Server 10, SUSE Linux Enterprise Server 11, and Red Hat Enterprise Linux 5:
/usr/lib64/gcc/x86_64-suse-linux/4.1.0/../../../.. /x86_64-suse-linux/bin/ld: cannot find -lstdc++_nonshared
Workaround:
Contact your operating system vendor.
This issue is tracked with Oracle bug 8396301.
The following error occurs while performing an Oracle RAC database installation on SUSE Linux Enterprise Server 11:
Error securing Database Control, Database Control has not been brought up on nodes remote_node(s). Please execute the following command(s) on nodes: remote_node(s). 1) Set the environment variable ORACLE_UNQNAME to Database unique name 2) /u01/app/aime/product/11.2.0/racdb/bin/emctl config emkey -repos-sysman_pwd Password_for_SYSMAN_user -host node -sid Database_unique_name 3) /u01/app/aime/product/11.2.0/racdb/bin/emctl secure dbconsole -sysman_pwd Password_for_SYSMAN_user -host node -sid Database_unique_name 4) /u01/app/aime/product/11.2.0/racdb/bin/emctl start dbconsole To secure Em Key, run /u01/app/aime/product/11.2.0/racdb/bin/emctl configemkey -remove_from_repos -sysman_pwd Password_for_SYSMAN_user
Workaround:
Follow the instructions shown in the error message.
This issue is tracked with Oracle bug 6485149.
When installing Oracle RAC database on Oracle Enterprise Linux 5 Update 3, the Perform Prerequisite Checks screen reports Node Connectivity failure.
Workaround:
Check Ignore All to ignore this error and proceed with the installation.
This issue is tracked with Oracle bug 8753154.
The root.sh script displays the following error when installing Oracle grid infrastructure for a standalone server on SUSE Linux Enterprise Server 10:
/bin/env: Command not found
Workaround:
Ignore this error and proceed with the installation.
This issue is tracked with Oracle bug 8732857.
When you reupgrade Oracle Database release 10.2 to release 11.2, after an initial upgrade to release 11.2 and a subsequent downgrade to release 10.2, the upgrade process hangs at 80% with Database Configuration Assistant. For manual upgrades, the hang may be seen in the spooled log while the c1101000.sql upgrade script is running.
This issue is tracked with Oracle bug 8742500.
The following sections contain information about issues related to Oracle Database 11g and associated products:
SQL*Plus and Oracle Call Interface (OCI) program calls fail with SELinux in the Enforcing mode on Oracle Enterprise Linux 5.x and Red Hat Enterprise Linux 5.x.
Workaround: Shift SELinux to Permissive mode on the system.
This issue is tracked with Oracle bug 9817031.
On Linux systems, if the operating system /dev/shm mount size is too small for the Oracle system global area (SGA) and program global area (PGA), then you encounter the following error:
ORA-00845: MEMORY_TARGET not supported on this system.
The cause of this error is an insufficient /dev/shm allocation. The total memory size of the SGA and PGA, which sets the initialization parameter MEMORY_TARGET or MEMORY_MAX_TARGET, cannot be greater than the shared memory file system (/dev/shm) on your operating system.
Background
Automatic Memory Management (AMM) has been updated in Oracle ASM 11g Release 2. It manages both the SGA and PGA together. It is managed by the Memory Manager Process (MMAN). In this release, note the following changes to AMM:
It uses MEMORY_TARGET instead of SGA_TARGET
It uses MEMORY_MAX_TARGET instead of SGA_MAX_SIZE (defaults to MEMORY_TARGET)
It uses memory allocated by /dev/shm
If the value of max_target is set to a value greater than the allocation for the /dev/shm size, then you may encounter the error ORA-00845: MEMORY_TARGET not supported on this system.
Note:
An ORA-00845 error can also occur if/dev/shm is not properly mounted. To rule out this possibility, run the command df -k to ensure that /dev/shm is mounted. For example:
$ df -k Filesystem 1K-blocks Used Available Use% Mounted on shmfs 6291456 832356 5459100 14% /dev/shm
Solution
Increase the /dev/shm mountpoint size.
For example:
# mount -t tmpfs shmfs -o size=7g /dev/shm
To make this change persistent across system restarts, add an entry in /etc/fstab similar to the following:
shmfs /dev/shm tmpfs size=7g 0
Oracle Universal Installer does not copy the translated help files to Oracle Database home directory when you select the Spanish or French language.
Workaround:
On the Select Product Languages page, select both the Latin American Spanish and Spanish to get the help files translated in Spanish; and select both the Canadian French and French for the translated help files in French.
This issue is tracked with Oracle bug 9147106.
Oracle Management Service provides incorrect reverse ping command with Oracle Enterprise Manager Database Control. The emoms.properties file shows:
emdrep.ping.pingCommand=/usr/sbin/ping6 <hostname>
Workaround:
Change the property in the emoms.properties file to:
emdrep.ping.pingCommand=/bin/ping -c 3 -w 30 <hostname>
Note:
On all the computers using IPv6, you must specifyping6 command (or an equivalent IPv6 command) instead of ping command.This issue is tracked with Oracle bug 9211800.
The following content is specific to release 11.2.0.2:
Refer to the installation guides for the preinstallation requirements.
Review the following sections for information about issues that affect Oracle Database installation, configuration, and upgrade:
Oracle Universal Installer Hangs During Oracle Grid Infrastructure Installation on SUSE 10
Square Boxes Appear When Installing on Korean Locale on Red Hat Enterprise Linux 5
On some servers, applications can encounter JDBC connection timeouts, due to errors with JVM attempting to access /tmp and reading the /dev/random device. This error may have multiple causes relating to hardware or operating system issues.
Workaround:
Contact an Oracle Support Engineer for further information. Refer to My Oracle Support Note 555036.1.
This issue is tracked with Oracle bug 6485149.
Due to an issue with the SUSE Enterprise Linux 10 operating system, Oracle Universal Installer may experience intermittent hangs of five to six minutes during Oracle Grid Infrastructure for a Cluster installation.
Workaround:
None. Wait for the hang to resolve, and proceed with the installation.
This issue is tracked with bug 9949520.
When using Database Upgrade Assistant to upgrade an Oracle9i Real Application Clusters database to Oracle Database 11g Release 2, the upgrade fails if the Oracle Grid Infrastructure home is non-shared and was configured using the Oracle Grid Infrastructure Configuration Wizard.
Workaround:
As a user with root privileges, use the following commands to copy the libcmdll.so and libwddapi.so files to the remote nodes:
scp grid_user@node1:/etc/ORCLcluster/oracm/lib/libcmdll.so /etc/ORCLcluster/oracm/lib scp grid_user@node1:etc/ORCLcluster/oracm/lib/libwddapi.so /etc/ORCLcluster/oracm/lib
Enter the grid_user password when prompted.
Use Database Upgrade Assistant to upgrade Oracle RAC.
This issue is tracked with Oracle bug 10029705.
If you upgrade Oracle Clusterware or Oracle Grid Infrastructure for a cluster to 11g Release 2 (11.2.0.2), using a rolling upgrade, then Oracle Clusterware may not publish fast application notification (FAN) events and Oracle Enterprise Manager cluster management events on the upgraded clusters.
Workaround:
Perform a rolling restart of the Oracle Clusterware software by running the crsctl stop crs and crsctl start crs commands on each cluster member node in sequence.
This issue is tracked with Oracle bug 10015238.
By default, software updates are download to the /tmp directory. This directory is deleted at the end of an installation. If you do not download and install the software updates during the same installation session, then the software updates are not available.
Workaround:
Specify a new download location for the software updates on the Download Software Updates screen.
This issue is tracked with Oracle bug 9975999.
When installing on a Korean locale (ko_KR.utf8 or ko_KR.euckr), the characters on the Oracle Universal Installer screens are shown as square boxes.
Workaround:
Create the following symbolic link:
# cd /usr/share/fonts # ln -s korean ko
This issue is tracked with Oracle bug 9746773.
The following section contain information about issues related to Oracle Database 11g and associated products.
The Oracle Notification Service (ONS) server may occasionally crash on Linux x86-64 systems with 32 GB of physical memory. The ONS server is immediately restarted, and no action is required of an administrator.
This issue is tracked with Oracle bug 9203989.
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Oracle Database Release Notes, 11g Release 2 (11.2) for Linux
E16778-04
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