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тАО08-16-2004 04:16 AM
тАО08-16-2004 04:16 AM
I have an N-Class 9000 that is running Oracle 8i financials. I have been asked to check to see if all tunable kernel parameters are set correctly. The DBA's are not helping out with this too much. Does anyone have any recommendations for this type of configuration? (besides just seeing what Oracle recommends?)
Thanks,
Rob
Solved! Go to Solution.
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тАО08-16-2004 04:26 AM
тАО08-16-2004 04:26 AM
Re: Oracle 8i kernel parameters
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тАО08-16-2004 05:27 AM
тАО08-16-2004 05:27 AM
SolutionOracle 8i Requirements on HP-UX
Minimum 256Mb memory
Swap space - minimum 2X physical memory
Disk space for oracle installation - 1.5GB available space (NOT allocated) + 400MB free space in /tmp
Require access to the following executables: ar, cc, ld, make, nm which should be in /usr/ccs/bin
/usr/ccs/bin should be in path for oracle userid.
oracle userid should have primary group of oinstall and secondary group of dba.
If you need the Apache webserver, then JDK 1.2 or greater is required.
If you need oracle interMedia option, then extra space is required for the system tablespace.
These are MINIMUMS:
UNIX System Configuration
Table 2-1 summarizes the requirements for installing Oracle8i on your HP-UX
system. If your system fails to satisfy any listed requirement, perform the tasks
listed on page 2-4 as necessary to configure your system to meet these requirements.
Table 2-1 UNIX System Configuration Summary
System Factor Requirement for Oracle8i
UNIX Kernel Parameters:
Shared Memory
Use the System Administrator├в s Menu (SAM) to configure the HP-UX kernel with the minimum recommended values.
SHMMAX 1 GB
This setting does not affect how much shared memory is needed or used by Oracle8i or the operating system. It is
used only to indicate the maximum allowable size. This setting also does not impact operating system kernel resources.
SHMMIN 1
SHMMNI 100
SHMSEG 10
Semaphores SEMMNI 70
Set the number of semaphore set identifiers in the system. SEMMNI determines the number of semaphore sets
which can be created at any one time.
The PROCESSES parameter can be found in each initsid.ora file, located in the $ORACLE_HOME/dbs directory. The
default value of PROCESSES for the preconfigured database created by Oracle Database Configuration Assistant is 50.
SEMMNS 200
Set the number of semaphores in the system to 200. The default value of SEMMNS is 128, which is, in most cases, too low for Oracle.
Threads MAX_THREAD_PROC 256 or more
Set the maximum number of threads per process to 256 or more. The default value
of MAX_THREAD_PROC is 64, which is, in most cases, too low for Oracle.
Note: If any of the kernel parameters above are less than your current values, continue to
use the current value. These are the requirements for Oracle8i only. If you have other
programs which use shared memory and semaphores, you will need to adjust the values
accordingly. Take into account that a system reboot is necessary for kernel changes to take
effect when planning for current and future database requirements.
Mount Points (Storage Devices)
Oracle Universal Installer requires only two mount points: one for the software, and one for the database files. An Optimal
Flexible Architecture (OFA)-compliant database requires at least four mount points, all at the same level of the directory
structure. One is for the software, three are for database files. See the Oracle8i Administrator├в s Reference for information on
implementing OFA on UNIX.
UNIX Groups for Oracle
Roles
A UNIX group is required for the OSDBA role. This book assumes that the group is named dba. The OSOPER role may
belong to the same group as the OSDBA or to a different group.
Special UNIX Group to own the Oracle Universal Installer oraInventory
All users installing Oracle products in any ORACLE_HOME should have oinstall set as their primary UNIX group. The
Installer├в s inventory is shared by all ORACLE_HOMEs on a system and is group-writable. Install Oracle products with
oinstall set as the current group.
UNIX Accounts
A UNIX account that is dedicated solely to installing and upgrading Oracle products. The account should have the
oinstall group as its primary group and the OSDBA group as a secondary group. This book assumes that the installer owner is
called oinstall and the OSDBA account is called oracle.
Rgd
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тАО08-16-2004 02:47 PM
тАО08-16-2004 02:47 PM
Re: Oracle 8i kernel parameters
Best Rgs
Alex
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тАО08-17-2004 01:07 AM
тАО08-17-2004 01:07 AM