Re: Kernel parameters

"nirav" <shivam71_at_gmail.com> ha scritto nel messaggio news:1127920017.177698.58310_at_g47g2000cwa.googlegroups.com...
> Hi,
>
> I am pasting here part of the installation documentation about kernel
> settings:
>
> Kernel Parameter Settings for Tru64
>
> For Tru64, use a text editor such as vi to change the kernel parameter
> settings in the /etc/sysconfigtab file after making a backup copy. If
> you have previously changed your kernel for another program to levels
> equal to or higher than the levels Oracle9i requires, then do not touch
> the settings. If the levels are too low, change them to at least as
> high as those in the table. If you change the settings, save the
> /etc/sysconfigtab file and restart the system. For example, if you need
> to change your SHM_MAX, SHM_MNI, SHM_SEG, PER_PROC_STACK_SIZE, and
> PER_PROC_DATA_SIZE parameter settings, add the following lines to the
> /etc/sysconfigtab file:
>
> ipc: shm_max = 4278190080
> shm_mni = 256
> shm_seg = 128
>
> proc: per_proc_stack_size = 33554432
> per_proc_data_size = 201326592
>
> Refer to the following table to determine if your system shared memory
> and semaphore kernel parameters are set high enough for Oracle9i.
>
> To determine the current kernel parameter settings, use the following
> command:
>
> # /sbin/sysconfig -q ipc
>
> The parameters in the following table are the recommended values to run
> Oracle9i with a single database instance on Tru64.
>
> Kernel Parameter Setting Purpose
> MAX_PER_PROC_STACK_SIZE 33554432
> (32 MB) Defines the processor stack size. The default size is
> sufficient for Oracle9i software. If an application that shares the
> system with Oracle9i requires a higher per process stack size, do not
> set this parameter higher than 512 MB.
> PER_PROC_STACK_SIZE 33554432
> (32 MB)
> Defines the processor stack size. The default size is sufficient for
> Oracle9i software. If an application that shares the system with
> Oracle9i requires a higher per process stack size, do not set this
> parameter higher than 512 MB.
> PER_PROC_DATA_SIZE 201326592
> (192 MB)
> Defines the minimum per process data segment size.
> SHM_MAX 4278190080
> (4GB less 16 MB)
> Defines the maximum allowable size of the shared memory. The SHM_MAX
> parameter does not affect how much shared memory is used or needed by
> Oracle9i, the operating system, or the operating system kernel.
> SHM_MIN 1 Defines the minimum allowable size of a single shared
> memory segment.
> SHM_MNI 256 Defines the maximum number of shared memory segments in
> the entire system.
> SHMSEG 128 Defines the maximum number of shared memory segments one
> process can attach.
>
>
> Pl. refer
> http://download-west.oracle.com/docs/html/A96167_01/pre.htm#CHDHGBGA
>
> where all details are given.
> You should have the settings as given here or more..Also go through
> entire manual for all details..
>
> N.
>

Ok thanks a lot,
This is the reference manual I've read
and these are the parameters values that I put in the sysconfigtab. thank you for having confirmed me that they don't require variations. I've launched runInstaller and it seems finished with success.

with best regards,
Fabrizio Received on Wed Sep 28 2005 - 14:20:11 CDT