RE: solaris 10 kernel parameters
Date: Thu, 8 Oct 2009 08:34:03 +0200
On most single instance installations I tend to use the projects, but on rac environments I put it in /etc/system. Reason for this is that the project group used depends if the instance is started by the cluster or by you.
Oracle Database Administrator
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From: oracle-l-bounce_at_freelists.org [oracle-l-bounce_at_freelists.org] On Behalf Of Joe Smith [joe_dba_at_hotmail.com]
Sent: 08 October 2009 03:51
Subject: solaris 10 kernel parameters
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 **
SHMMIN 1 *
SHMSEG 10 *
* obsolete in Solaris 9 and 10 ** obsolete in Solaris 10 *** default value in Solaris 10 is already largerNote: 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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