[SUMMARY] Tunable Kernel params not loading

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To: <sunmanagers@sunmanagers.org>
Date: Fri, 29 Oct 2004 12:41:53 +0200

Thanks to John L., now The stuation is much clearer.
 
 
 
original posting:
 

Following to my previous question (for which I already got an answer), I
would like to ask why some kernel parameters don't get loaded.

In my /etc/system I specified the following values for IPC shared
memory:

shmsys:shminfo_shmmax=4294967295

shmsys:shminfo_shmmin=100

shmsys:shminfo_shmmni=4096

shmsys:shminfo_shmseg=200

but sysdef lists only:

*

* IPC Shared Memory

*

4294967295 max shared memory segment size (SHMMAX)

  4096 shared memory identifiers (SHMMNI)

*

So I am wondering why shmmin and shmseg are not loaded according with
sysdef.

Thanks again for your answers, summary will follow.

Leo

ANSWER BY JOHN L. (jl@lammtarra.fslife.co.uk):

>From the Solaris 9 "Solaris Tunable Parameters Reference Manual"
<http://docs.sun.com/db/doc/817-1759/6mhfh76gt?a=view>
http://docs.sun.com/db/doc/817-1759/6mhfh76gt?a=view

System V Shared Memory

shmsys:shminfo_shmmin

Obsolete.

Variable is present in kernel for compatibility reasons but is no longer
used.

shmsys:shminfo_shmseg

Obsolete.

Variable is present in kernel for compatibility reasons but is no longer
used.

Note that if shmmin were not obsolete, there is no reason for increasing
it from its default of 1.

-- 
John.
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