Select the migration priority to determine how vCenter Server allocates resources for migrations with vMotion.
For migrations with vMotion, you can set the migration priority. This option does not appear for migrations of powered-off or suspended virtual machines.
Procedure
♦ | Select the migration priority level and click Next.
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Reserve CPU for optimal VMotion performance
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vCenter Server attempts to reserve resources on both the source and destination hosts to be shared among all concurrent migrations with vMotion. vCenter Server grants a larger share of host CPU resources. if sufficient CPU resources are not immediately available, vMotion is not initiated.
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Perform with available CPU resources
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vCenter Server reserves resources on both the source and destination hosts to be shared among all concurrent migration with vMotion. vCenter Server grants a smaller share of host CPU resources. If there is a lack of CPU resources, the duration of vMotion can be extended.
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