DRS and resource pools relation

by Vincent Vlieghe [Published on 7 Aug. 2008 / Last Updated on 26 March 2013]

DRS and resource pools: beware of maintenance!

It is possible that it becomes necessary to disable the DRS (Distributed Resource Scheduler) feature on an ESX cluster. A typical scenario would be  maintenance on your ESX hosts./VirtualCenter. This avoids that virtual machines will VMotion to another host. You must be very careful: when disabling (unchecking) DRS as a cluster option in VirtualCenter all resource pools for that cluster will be deleted. Just set DRS to manual to avoid this and set DRS back to fully automated after the maintenance period is over

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The Author — Vincent Vlieghe

Vincent Vlieghe is a Technology Consultant for a company called Xylos. He has a number of certifications including MCSE, CCA, HP AIS, VCP and Softgrid CP. His main focus is on virtualization, Server Based Computing, Operating Systems and hardware/storage. In addition to his consultancy job, Vincent is also a trainer. You can find his blog at http://virtrix.blogspot.com/.

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