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тАО07-25-2010 11:40 PM
тАО07-25-2010 11:40 PM
we have a rp3410 server with 4 GB RAM read through the boot process, but using the OS command we see only 2 GB,
here what i am doing
# model
9000/800/L3000-5x
#
#
# uname -a
HP-UX prodx B.11.11 U 9000/800 127414621 unlimited-user license
#
#
# dmesg | tail -4
Memory Information:
physical page size = 4096 bytes, logical page size = 4096 bytes
Physical: 4194304 Kbytes, lockable: 3097172 Kbytes, available: 3568240 Kbytes
#
#
#top
System: prodx Mon Jul 26 10:33:22 2010
Load averages: 0.22, 0.24, 0.31
322 processes: 297 sleeping, 25 running
Cpu states:
CPU LOAD USER NICE SYS IDLE BLOCK SWAIT INTR SSYS
0 0.22 40.0% 0.0% 1.6% 58.4% 0.0% 0.0% 0.0% 0.0%
1 0.21 51.8% 0.0% 1.8% 46.4% 0.0% 0.0% 0.0% 0.0%
--- ---- ----- ----- ----- ----- ----- ----- ----- -----
avg 0.22 46.0% 0.0% 1.6% 52.4% 0.0% 0.0% 0.0% 0.0%
Memory: 2498724K (802088K) real, 4526712K (2060880K) virtual, 178336K free Page# 1/10
CPU TTY PID USERNAME PRI NI SIZE RES STATE TIME %WCPU %CPU COMMAND
0 ? 22561 oracle 199 20 1486M 6368K run 0:30 68.55 68.43 oracleprod
1 ? 3121 root 152 20 279M 37980K run 20:55 1.11 1.11 java
0 ? 5731 oracle 152 20 553M 146M run 73:00 0.75 0.75 java
the top command is showing that we have only 2 GB real, and 4 GB virtual, and as appearing a very low is free, somce times reachs till 20-30 M.
Memory: 2498724K (802088K) real, 4526712K (2060880K) virtual, 178336K free Page# 1/10
anyone can help how to tell if we have to reconfigure something in the OS to read the whole 4 GB, or any idea how to check if we have a hardware failure.
appreciating quick response.
Solved! Go to Solution.
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тАО07-26-2010 12:10 AM
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тАО07-26-2010 12:20 AM
тАО07-26-2010 12:20 AM
Re: Memory size read error
> 9000/800/L3000-5x
This is "L3000 (L-class)" in older nomenclature, also known as a rp5470 in the current model numbering scheme.
The output of the "model" command in a rp3410 should be:
9000/800/rp3410
Anyway, please run "swapinfo -tam" and "kmtune | grep swap" and post the outputs.
MK
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тАО07-26-2010 02:23 AM
тАО07-26-2010 02:23 AM
Re: Memory size read error
#
#
# echo "selclass qualifier memory;info;wait;infolog" | cstm
Running Command File (/usr/sbin/stm/ui/config/.stmrc).
-- Information --
Support Tools Manager
Version A.49.30
Product Number B4708AA
(C) Copyright Hewlett Packard Co. 1995-2005
All Rights Reserved
Use of this program is subject to the licensing restrictions described
in "Help-->On Version". HP shall not be liable for any damages resulting
from misuse or unauthorized use of this program.
cstm>selclass qualifier memory;info;wait;infolog
-- Updating Map --
Updating Map...
-- Converting a (1204) byte raw log file to text. --
Preparing the Information Tool Log for MEMORY on path 192 File ...
.... prodx : 10.1.1.50 ....
-- Information Tool Log for MEMORY on path 192 --
Log creation time: Mon Jul 26 12:56:31 2010
Hardware path: 192
Basic Memory Description
Module Type: MEMORY
Total Configured Memory : 4096 MB
Page Size: 4096 Bytes
Memory interleaving is supported on this machine and is ON.
Memory Board Inventory
Extender
Slot Num Configured and Slot label for each DIMM (MB)
-------- --------------------------------------------
0a 2a 1a 3a 3b 1b 2b 0b
---- ---- ---- ---- ---- ---- ---- ----
EXT 0 512 512 512 512 512 512 512 512
------------------------------------------------------
System Total (MB): 4096
Memory Error Log Summary
The memory error log is empty.
Page Deallocation Table (PDT)
PDT Entries Used: 0
PDT Entries Free: 256
PDT Total Size: 256
-- Information Tool Log for MEMORY on path 192 --
View - To View the file.
Print - To Print the file.
SaveAs - To Save the file.
Enter Done, Help, Print, SaveAs, or View: [Done]
#
#
# swapinfo -tam
Mb Mb Mb PCT START/ Mb
TYPE AVAIL USED FREE USED LIMIT RESERVE PRI NAME
dev 4096 307 3789 7% 0 - 1 /dev/vg00/lvol2
dev 10000 305 9695 3% 0 - 1 /dev/v10g/swap2
reserve - 3236 -3236
memory 3030 2202 828 73%
total 17126 6050 11076 35% - 0 -
#
#
# kmtune | grep swap
allocate_fs_swapmap 0 - 0
dmp_swapdev_is_vol 0 - 0
maxswapchunks 16384 - 16384
nswapdev 10 - 10
nswapfs 10 - 10
remote_nfs_swap 0 - 0
swapmem_on 1 - 1
#
#
it is clearly appearing that we have 4GB RAM, now the question is why the ( top ) command is showing only 2GB ????
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тАО07-26-2010 02:34 AM
тАО07-26-2010 02:34 AM
Re: Memory size read error
User memory does not include Free memory or system memory -- so that's where the rest of your memory is.
And a low free is normal -- HP-UX prefers high memory utilization (better caching in RAM) so memory reclamation doesn't start getting serious until things dip below the memory paging threshold (lotsfree). See:
http://docs.hp.com/en/1218/mem_mgt.html?jumpid=reg_R1002_USEN#How%20Paging%20is%20Triggered
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тАО07-26-2010 02:37 AM
тАО07-26-2010 02:37 AM
Re: Memory size read error
Physical: 4194304 Kbytes, lockable: 3097172 Kbytes, available: 3568240 Kbytes
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тАО07-26-2010 02:38 AM
тАО07-26-2010 02:38 AM
Re: Memory size read error
this means that HPUX does not always prefer to high memory utilization.
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тАО07-26-2010 04:23 AM
тАО07-26-2010 04:23 AM