2012-12-2 - 12-3 11gR2 "Database Installation Guide for Linux" page 1 - 47

 

 

 

New Tool to Configure Custom Installation Options -- CUSTOM建库的选项
Oracle Universal Installer no longer provides the custom installation option of
individual components. Use the chopt tool, a command-line utility that is located in
the ORACLE_HOME\bin directory, to configure the database options.
-- CUSTOM建库的选项已经移植到一个新的工具，chopt

 

Automatic Memory Management -- 自动内存管理
Starting with Oracle Database 11g, the Automatic Memory Management feature
requires more shared memory (/dev/shm)and file descriptors. The size of the shared
memory must be at least the greater of the MEMORY_MAX_TARGET and MEMORY_
TARGET parameters for each Oracle instance on the computer.

The number of file descriptors for each Oracle instance must be at least
512*PROCESSES. The limit of descriptors for each process must be at least 512. If file
descriptors are not sized correctly, you will see an ORA-27123 error from various
Oracle processes and potentially Linux Error EMFILE (Too many open
files)in non-Oracle processes.

To determine the amount of shared memory available, enter the following command:
# df -h /dev/shm/