solaris 10 kernel parameters
- From: Joe Smith <joe_dba@xxxxxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Wed, 7 Oct 2009 20:51:30 -0500
What do most people do:
Keep using /etc/system in Solaris 10 or the Resouce Control Facility? Or do
people ignore the parameters and not set any in /etc/system or the Resouce
Control?
I have a unix admin saying nothing needs to be set because they read that
/etc/system is not used in Solaris 10 anymore. Below is from a doc on
metalink. At the minimun the new kernel parameters for Solaris 10 need to be
set. Is this correct?
Is NOEXEC_USER_STACK 1 set in /etc/system or the Resouce Control?
SEMMNI 100 ***
SEMMNS 1024 **
SEMMSL 256 ***
SEMVMX 32767 **
SHMMAX 4294967295
SHMMIN 1 *
SHMMNI 100***
SHMSEG 10 *
NOEXEC_USER_STACK 1
* obsolete in Solaris 9 and 10
** obsolete in Solaris 10
*** default value in Solaris 10 is already larger
Note: for Solaris 10 SHMMAX which is now set through the Resource Control
Facility not /etc/system. Refer to the 10gR2 for Solaris SPARC Installation
guide for steps to do this, as well as, the Release Notes which has
corrections:
10.2 Install Guides and Release Notes
Here are the new names of the kernel parameters for Solaris 10 (Solaris 9
equivalents are in parentheses):
project.max-sem-ids 100 (semmni)
process.max-sem-nsems 256 (semmsl)
project.max-shm-memory 4294967295 (shmmax)
project.max-shm-ids 100 (shmmni)
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