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vmware hot memory add in resource pool
Posted on 2013-01-03
I have increased memory from 1 GB to 2 GB I can see hot plug is enabled for this VM. It's a linux box, but it is in the resource pool, but hot memory add is not working, it is still showing as 1GB after I have added it. in the vsphere client it shows as 2GB.
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11 Comments
Active today
2GB is not showing in the Linux VM?
The Virtual Machine Guest also needs to support Hot Add CPU and Memory, you also need to have VMware Tools installed.
You may also need to make some modifications or reboot the VM
see here
http://kb.vmware.com/kb/1012764
http://kb.vmware.com/kb/1012764
http://searchvmware.techtarget.com/tip/VMware-vSphere-hot-add-RAM-and-hot-plug-CPU-Not-so-hot-but-still-cool
The Virtual Machine Guest also needs to support Hot Add CPU and Memory, you also need to have VMware Tools installed.
You may also need to make some modifications or reboot the VM
see here
http://kb.vmware.com/kb/1012764
http://kb.vmware.com/kb/1012764
http://searchvmware.techtarget.com/tip/VMware-vSphere-hot-add-RAM-and-hot-plug-CPU-Not-so-hot-but-still-cool
Active today
Everything fine, only in OS level it is not showing up. VMware tools are installed as well.
Active today
I already did those I can only see memory 0-7, it suppose to show more in OS, but not showing. I'm wondering, is it anything to do with resource pool?
Active today
did you reboot?
what resources are left available in the resource pool?
what is the resource pool set to?
what resources are left available in the resource pool?
what is the resource pool set to?
Active today
this may not be possible with your version of Linux! depends on the kernel version and support for Hot Add Memory, see articles above.
Hi..
Even though it says it is hot enabled in esx 4.0 to 4.1 it will not work means that you can change the memory and cpu on the fly. os willl not take effect until it is rebooted. i had ffaced this issue...
But the good news in esx5.1 or esxi 5.1 it is working with no issues. With hardware version 9.
Let me know if you have any concerns...
With regards
Karthik rajasekaran
Even though it says it is hot enabled in esx 4.0 to 4.1 it will not work means that you can change the memory and cpu on the fly. os willl not take effect until it is rebooted. i had ffaced this issue...
But the good news in esx5.1 or esxi 5.1 it is working with no issues. With hardware version 9.
Let me know if you have any concerns...
With regards
Karthik rajasekaran
Active today
what version of Linux is this?
Hot Add Memory has been available for many years, but some distributions of Linux will not automatically recognise the memory. (without intervention)
see here
http://harishdixit.blogspot.co.uk/2012/01/memory-hotplug-for-linux-guests.html
http://kerneltrap.org/node/14009
http://adaptivethinking.wordpress.com/2009/07/27/vsphere-esx4-hot-add-memory-for-linux-guests/
http://communities.vmware.com/docs/DOC-10492
Hot Add Memory has been available for many years, but some distributions of Linux will not automatically recognise the memory. (without intervention)
see here
http://harishdixit.blogspot.co.uk/2012/01/memory-hotplug-for-linux-guests.html
http://kerneltrap.org/node/14009
http://adaptivethinking.wordpress.com/2009/07/27/vsphere-esx4-hot-add-memory-for-linux-guests/
http://communities.vmware.com/docs/DOC-10492
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