Test report oracle database performance on sun and dell. Rebuild the operating system in the event of a disaster. How to configure shared memory parameters in solaris 10,11. Because solaris 10 is shifting to a new method of controlling system resources. Solaris now defaults to a shmmax of onequarter of system ram. I have a shared memory segment that is marked as d to delete ipcs ma, but is not getting released. Oracle database performance on sun and dell servers. Ism in virtualized environments oracle solaris containers can be used to offer an isolated. Progress kb how to configure shared memory on unix. Oracle database performance on sun and dell servers running solaris test report september 2008 key finding. I would like to know which processes are attached to this shared memory segment. End user access command center commcell disaster recovery client recovery full system recovery.
Dynamic sga tuning of oracle database on oracle solaris. Maximum size of system v shared memory segment that can be created. Changes to these parameters did not take effect until the next system reboot. This parameter is an upper limit that is checked before the system sees if it actually has the physical resources to create the requested memory segment. To further adjust this setting, use a project setting associated with the postgres user. On a solaris 10 or later system, it can be verified as shown below. Kernel parameters on our sun enterprise with 640mb for oracle 8.
How to view the kernel shmmaxparamiter value in solaris 10. Kernel parameters on our sun enterprise with 640mb for oracle 9 set shmsys. There are still ways to set it but the default one 14 or ram should work for most if not all cases. Changes can be made via the sysctl or loader interfaces. Oracle recommends that the shmall should be the sum of the sga regions divided by 4096 the linux pagesize. What shmmax value do you suggest for our environment. Solaris 10 has shifted to a new method of controlling system resources. In solaris 10 and later, and opensolaris, the default shared memory and semaphore settings are good enough for most postgresql applications.
Make sure you have internet connectivity when you are using this option. I want install oracle 11g on solaris 10 but i dont unzip database file. I couldnt set the right project for user oracle its still the default project. Shmmax the maximum sizein bytes of a single shared memory segment. This parameter is an upper limit that is checked before the application sees if it actually has the physical resources to create the requested memory segment. Refer to oracle database installation guide 11g release 1 11. However, the new method requires an additional entry to the file. If you still have an entry for it in etcsystem it will work. Short guide to install oracle 9i on sun solaris 7 and 8. Either this file is not a zipfile, or it constitutes one disk of a multipart archive. In this article i will describe the installation of oracle database 11gr2 11.
Execute following commands to configure system settings for oracle. Sybase recommends, and i fully 100% agree, to store all database files on raw devices except for temporary databases like tempdb. File systems full system recovery solaris file system agent rebuilding the solaris operating system. The system administrator should complete the steps below the first time mcidasx 200x is installed on sun solaris or digital true64 workstations or if they desire to increase shared memory defaults on hp, ibm, or sgi systems. Increase memory size of oracle 8i running on solaris 10. Type the appropriate number to install the latest software scripts and press enter to continue. Im trying to recall what i did, but im still confused. Oracle 10g on solaris 10 sparc installation notes daves. As a first step, download oracle 10gr2 and oracle solaris, create a virtual machine using my previous instruction, but dont forget to select solaris 10 on operating system types. Shmmin the minimum sizein bytes of a single shared memory segment. Select download from the software provider website to download the latest software scripts from your software provider website. The default size of shmall is 2,097,152 and you can see your value of shmmax with the following command. I managed to install oracle 10g on a solaris 10 x86 yesterday, and had some trouble with the group. Refer to sun microsystems sun sparc solaris system administration documentation for parameter limits.
Check current value of shmmax on solaris oracle, unix. Step by step installing oracle 11g r2 on oracle solaris 10. On systems that have zones enabled, zonewide resource controls are specified in the zone configuration. View and change kernel parameter values on solaris 10 to view the current values of the resource control, enter the following commands. The above settings let the max be bigger then we wil ever use and the min much smaller. The default settings are only suitable for small installations for example, default shmmax is 32 mb. The shmmax defines the largest allowed size of a shared memory segment. For 12c db on solaris 11, the supported version is solaris 11. It does not about any tasks that request more then shmmax, if simply spawns new segments. Adjusting the operating system shared memory parameters.
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