Red Hat LINUX ADVANCED SERVER 2.1 - Informations techniques télécharger pdf (Page 10)

Tips and Techniques: Install and Configure Oracle9i on Red Hat Linux

Advanced Server

happens with bigpages in shared memory file system (shmfs). But, SGA of more

than 8GB can be created using bigpages in SYSV. This problem is fixed in errata

e.8 kernel.

Database creation failure

If database creation fails, either during install or using dbca, the potential

error/warning is due to some default kernel parameters. The following error

generally indicates a wrong setting for SHMMAX and semaphore parameters.

“WARNING: EINVAL creating segment of size 0x000000000c400000”

Correct values needs to be set for shared memory parameters.

The SHMMAX is set by executing,

echo "<number>"> /proc/sys/kernel/shmmax

where the value of <number> is at least half of physical RAM.

The semaphore values are set by the following command.

echo "100 32000 100 100" > /proc/sys/kernel/sem

It is recommended to visit the “Tuning of Red Hat Advanced Server for Oracle”

section for more information on tuning the kernel parameters.

ORACLE DATABASE INSTALL

It is strongly recommended that the user go through the install documentation and

readme shipped with Oracle9i R2 CD. This section would guide the user, screen by

screen, in installing a Single Instance Oracle database, using OUI. Users familiar

with OUI may skip this section.

The user needs to execute runInstaller script from Oracle9i R2 CD 1.

The screen that appears is the Welcome screen. The user is given the option to

uninstall any existing oracle product. The user could click next to continue, after

done with uninstalling any products.

The next screen that appears is the Inventory Locations screen. The user is

suggested to choose a proper Oracle Base directory, which is the base for all Oracle

products and then continue the install.

Following the inventory location screen, is the Unix group Name screen. The user

is requested to select unix group name which will have permissions to update

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Red Hat LINUX ADVANCED SERVER 2.1 - Informations techniques Page 10