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New HA Functionality in vSphere 4.1

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New HA Functionality in vSphere 4.1 - 27.Jul.2010 7:46:54 AM   
JustinC71

 

Posts: 36
Joined: 29.Jun.2010
From: VA
Status: offline
Great info here, http://www.yellow-bricks.com/2010/07/22/6283/

"Pre-vSphere 4.1 an issue could arise when shares had been set custom on a virtual machine. When HA fails over a virtual machine it will power-on the virtual machine in the Root Resource Pool. However, the virtual machine’s shares were scaled for its appropriate place in the resource pool hierarchy, not for the Root Resource Pool. This could cause the virtual machine to receive either too many or too few resources relative to its entitlement."

HA now temporarily resets (flattens) a VM's share values when it brings a VM back online in the root resource pool after a failure, and re-instates the original share values once DRS is able to move the VM back to it's original resource pool. 

_____________________________

-Justin, VCP 3/4, MCSE
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