Saturday, March 19, 2011

Decrease VM evacuation times

Decrease VM evacuation times by increasing concurrent vMotion migrations per host (get VMware support approval first):
-On vCenter server, edit c:\docs & settings\all users\application data\vmware\vmware virtualcenter\vpdx.cfg
-Insert the following lines between the [vpdx] XML tags:
[ResourceManager]
[maxCostPerHost]24[/maxCostPerHost]
[/ResourceManager]
Cold Migration has a cost of 1. Hot Migration has a cost of 4.
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