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тАО01-09-2009 06:08 AM
тАО01-09-2009 06:08 AM
How can we check the physical memory. and How to change the Kernel Parameter. If Kernel is low what is the problem to the server.
Solved! Go to Solution.
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тАО01-09-2009 06:15 AM
тАО01-09-2009 06:15 AM
SolutionFor 11.11 and older:
kmtune or sam kernel configuration
11.23 and newer:
kctune or sam or its replacement.
Check physical memory with cstm mstm or cstm. Physical check that is.
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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тАО01-09-2009 06:15 AM
тАО01-09-2009 06:15 AM
Re: Kernel
#dmesg| grep -i physical
Regards
sujit
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тАО01-09-2009 06:15 AM
тАО01-09-2009 06:15 AM
Re: Kernel
If you have Ignite installed, you can use the print_manifest command.
You can also use SAM to display system properties (Sam -> Performance
Monitors -> System Properties).
There are also utilities like "cfg2html" ( http://come.to/cfg2html ),
"nickel" ( ftp://ftp.hp.com/pub/catia/Utils/nickel.shar ) and "sysinfo"
( http://hpux.cs.utah.edu/hppd/hpux/Sysadmin/sysinfo-3.3.1/ ).
You can also obtain this information from the command line with a
series of little scripts like these:
CPU
HPUX=/stand/vmunix
MODEL=$(grep -i $(model | tr "/" " " \
| awk '{print $NF}') \
/usr/sam/lib/mo/sched.models \
| awk '{print $NF}')
#Note: for 11.23 RISC, use
MHZ=$(echo itick_per_tick/D \ # echo "itick_per_usec/d" \
| adb -k $HPUX /dev/kmem \ # | adb $HPUX /dev/kmem
| tail -1 \ #For Itanium, use machinfo
| awk '{print $2/10000}')
echo `hostname` has `ioscan -k |grep -n processor \
|wc -l` $MODEL $MHZ "Mhz processor(s)"
Number of CPUs
ioscan -k |grep -n processor |wc -l
Support Tools Manager (STM) CPU info:
echo "selclass qualifier cpu;info;wait;infolog" | cstm
RAM
HPUX=/stand/vmunix
MAJORREV=$(uname -r | cut -f2 -d .)
if [ $MAJORREV -ge "11.0" ]
then
MYSYMBOL="phys_mem_pages"
else
MYSYMBOL="physmem"
fi
MYMEM=$(echo "${MYSYMBOL}/D" \
| adb $HPUX /dev/kmem \
| grep "${MYSYMBOL}: *." \
| awk '{printf "%.0f MB\n",$2/256}')
echo $MYMEM
Support Tools Manager (STM) RAM info:
echo "selclass qualifier memory;info;wait;infolog" | cstm
You can obtain CPU speed and RAM without CSTM or root access as described by Tom Ferony (under Nancy Rippey's log
in) here:
http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=851889
How you change kernel parameters varies according to what release you have. It could be through SAM or SMH or . . . . . .
Pete
Pete
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тАО01-09-2009 06:15 AM
тАО01-09-2009 06:15 AM
Re: Kernel
Check how? What do you want to check? Amount? Usage? Something else?
If usage, glace is a good place to start.
>>and How to change the Kernel Parameter.
I usually use SAM.
>>If Kernel is low what is the problem to the server.
It depends on which kernel parameter is too low. There could be many different problems.
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тАО01-09-2009 06:22 AM
тАО01-09-2009 06:22 AM
Re: Kernel
To check the physical memory.
#grep Phys /var/adm/syslog/syslog.log
#echo "selclass qualifier memory;info;wait;infolog" | /usr/sbin/cstm | grep 'Total Configured'
#echo phys_mem_pages/D | adb /stand/vmunix /dev/kmem --> Will give in pages
#dmesg| grep -i physical
SAM is the preferred way to change the kernel parameters though commands are available.
Ganesh.