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Old 11-03-2014, 11:53 AM   #1
linux_student_007
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Does Hot Memory add works for 32bit OS


HI Team,

Recently I came across one of the issue. I am having 32 bit OS which is running on Vmware which is enabled with Memory hot add. So when I increase Memory at the vSphere level it will showup in the OS level by making that particular memory chunks online.

But in my case I could not fin the directory structure itself in the 32bit OEL OS.
/sys/device/system/memory.

Can I know what need to done for this file to be present in my 32bit OS.

Thanks in advance.
 
Old 11-03-2014, 01:06 PM   #2
jens
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Quote:
Originally Posted by linux_student_007 View Post
HI Team,

Recently I came across one of the issue. I am having 32 bit OS which is running on Vmware which is enabled with Memory hot add. So when I increase Memory at the vSphere level it will showup in the OS level by making that particular memory chunks online.

But in my case I could not fin the directory structure itself in the 32bit OEL OS.
/sys/device/system/memory.

Can I know what need to done for this file to be present in my 32bit OS.

Thanks in advance.
Not being able to see it (in your guest OS) doesn't always mean it's not being used.
Example (with instructions):
http://kb.vmware.com/selfservice/mic...rnalId=1012764

PS: What made you think it's 32bit-related?
While most of its limitations will obviously still exist, getting around them should be easier/more_doable.

Last edited by jens; 11-03-2014 at 01:36 PM.
 
Old 11-04-2014, 05:57 PM   #3
jefro
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http://kb.vmware.com/selfservice/mic...rnalId=2003936

Maybe not on 32.
 
Old 11-05-2014, 07:52 AM   #4
jens
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Originally Posted by jefro View Post
Only if you're still using OEL5.
All up-to-date kernels in 6 (or 7) should support it.

Patches exists (from the CentOS folks) for older kernels but shouldn't be needed if your system is fully updated.
 
  


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