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тАО09-12-2005 07:17 PM
тАО09-12-2005 07:17 PM
We have a rp3410 with 6G RAM, but HPUX 11i only recongized 4G.
swapinfo
TYPE AVAIL USED FREE USED LIMIT
ev 4194304 1411772 2782532 34% 0
I also found that the following kernel parameter
voliomem_maxpool_sz 4194304 - (4*1024*1024)
you can see the numbers are the same, I will be suprised that if I have to change that kernel parameter to make HPUX recoginze all the physical memory.
any ideas ?
Solved! Go to Solution.
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тАО09-12-2005 07:42 PM
тАО09-12-2005 07:42 PM
Re: rp3410 HPUX11i and memory problem
did you see all amount of memory in yor PDC ?
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тАО09-12-2005 08:04 PM
тАО09-12-2005 08:04 PM
Re: rp3410 HPUX11i and memory problem
The swap space and the RAM space are different. To find out the RAM space, you can check from your STM tool.
For eg:
# echo "map;sall;wait;info;wait;il;view;done" | cstm > /tmp/cstm.txt
Otherwise, what's your OS version and OS kernel bit number?
# uname -a
# getconf KERNEL_BITS
However, although the rule of thumb for swap space is to have 2xtimes your RAM, but it must be at least the same size of your RAM. Hence please try to increase your swap space, add 2GB more into the system.
Hope it helps.
Best regards,
Mei
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тАО09-12-2005 08:12 PM
тАО09-12-2005 08:12 PM
Re: rp3410 HPUX11i and memory problem
Could you post the output of next command.
# echo "selclass qualifier memory;info;wait;infolog" | cstm
Regards,
Robert-Jan
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тАО09-12-2005 08:36 PM
тАО09-12-2005 08:36 PM
Re: rp3410 HPUX11i and memory problem
Try following command to get info on physical memory installed in server:
#dmesg |grep "Physical*"
Regards
Mahesh
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тАО09-13-2005 12:47 AM
тАО09-13-2005 12:47 AM
Re: rp3410 HPUX11i and memory problem
swap and ram are different items, so your not seeing the correct thing you expect in swapinfo.
you can view the full memory configuration in STM log files, how many dimms/size and installed where, or use the command robert gave above.
Also you can check the memory size in SAM.
Andy
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тАО09-13-2005 01:01 AM
тАО09-13-2005 01:01 AM
Re: rp3410 HPUX11i and memory problem
In the HP world, you must have as much swap space as physical memory. This is done one of two ways - add enough physical swap to match memory, or ensure the swap_mem_on kernel parameter is set to one (this activates psudoswap)
Dave
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тАО09-13-2005 02:01 AM
тАО09-13-2005 02:01 AM
Re: rp3410 HPUX11i and memory problem
http://www.hp.com/products1/servers/rackoptimized/rp3400_series/index.html
Hope it helps.
Good Luck - Tim
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тАО09-13-2005 12:05 PM
тАО09-13-2005 12:05 PM
Re: rp3410 HPUX11i and memory problem
I do not think it is compulsory to make swap the same size of physical memory. Maybe I am wrong. There is a kernel parameter called swap_mem_on, by setting this to 1, you can have swap space less than physical memory. Just like what Dave said.
When I tried use dmesg command to find out how much physical memory is, I saw something strange.
Deferred swap reservation failure pid: 4054
Deferred swap reservation failure pid: 4054
Deferred swap reservation failure pid: 4054
Deferred swap reservation failure pid: 4054
Deferred swap reservation failure pid: 4054
Deferred swap reservation failure pid: 4054
Deferred swap reservation failure pid: 4175
Deferred swap reservation failure pid: 11950
I do see 12 x 512M DIMMs from SAM and cstm command. Here is how I can tell
-- Information Tool Log for MEMORY on path 8 --
Log creation time: Wed Sep 14 09:50:03 2005
Hardware path: 8
Basic Memory Description
Module Type: MEMORY
Total Configured Memory : 6144 MB
Page Size: 4096 Bytes
Memory interleaving is supported on this machine and is ON.
Memory Board Inventory
DIMM Slot Size (MB)
--------- ---------
0A 512
0B 512
1A 512
1B 512
2A 512
2B 512
3A 512
3B 512
4A 512
4B 512
5A 512
5B 512
--------- ---------
System Total (MB): 6144
Memory Error Log Summary
The memory error log is empty.
Page Deallocation Table (PDT)
PDT Entries Used: 0
PDT Entries Free: 3000
PDT Total Size: 3000
-- Information Tool Log for MEMORY on path 8 --
View - To View the file.
Print - To Print the file.
SaveAs - To Save the file.
Enter Done, Help, Print, SaveAs, or View: [Done] #.
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тАО09-13-2005 01:56 PM
тАО09-13-2005 01:56 PM
Re: rp3410 HPUX11i and memory problem
Now you do have some swap reservation failures which are not good. It means that a process was trying to reserve swap but couldn't. Which means you are out of swap reservation space.
So I see 2 potential solutions.
1) Add some more device or filesystem swap.
2) Add some more RAM.
I think short term you may want to add some more swap. Long term I would definitely look at adding some more RAM to this system.