Changing shminfo_shmmax and shminfo_shmmin variables.

From: Tamer Embaby (Tamer.Embaby@itworx.com)
Date: Tue Aug 03 2004 - 12:09:06 EDT


Hi managers,

I have Sun Blade 100 (UltraSPARC-IIe) with 512 MB RAM with Solaris 8
2/02 installed.

I added shared memory variables changes in /etc/system files as:
set shmsys:shminfo_shmmni=512
set shmsys:shminfo_shmseg=600
set semsys:seminfo_semmni=100
set semsys:seminfo_semmsl=1010
set semsys:seminfo_semmns=2500
set semsys:seminfo_semopm=100
set semsys:seminfo_semvmx=32767
set shmsys:shminfo_shmmin=1
set shmsys:shminfo_shmmax=2147483648

No matter what value I assign to the variables shminfo_shmmax and
shminfo_shmmin; even 64MB, and after the machine reboots, I check these
values using:

# adb -k
physmem f743
shminfo_shmmax/D
shminfo_shmmax:
shminfo_shmmax: 0
shminfo_shmmin/D
shminfo_shmmin:
shminfo_shmmin: 0
^D

Only changing these variables with adb -kw will affect shminfo_shmmax/
shminfo_shmmin variables.

Other variables assigned in /etc/system file are changed successfully.

I've searched Google with no luck. If someone please can enlighten me
why is this behavior happening, and how I check if the value for
shminfo_shmmax and shminfo_shmmin are set properly at boot time via
/etc/system.

uname -a:
SunOS blade1 5.8 Generic_108528-13 sun4u sparc SUNW,Sun-Blade-100

--
Tamer Embaby <tamer.embaby@itworx.com>
" f u cn rd ths, u cn gt a gd jb n cmptr prgrmmng. "
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