QuestionQ47

Designing the FlexPod Solution

Which feature is supported for virtual machines that are configured with Direct Path I/O by using Cisco Virtual Machine Fabric Extender (VM-FEX) distributed switches?

  • A vMotion
  • B Record and Play
  • C Fault tolerance
  • D Unlimited DVS creation per Cisco UCS domain
Explanation

Cisco VM-FEX high-performance mode supports VMware vMotion for virtual machines using DirectPath I/O. During migration, the hypervisor temporarily reconfigures the high-performance link to standard mode, moves the link to the destination hypervisor, and restores high-performance mode. Record and replay and fault tolerance are unavailable with DirectPath I/O.

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