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NCP-MCI-5.20 · Question #276

When a VM is restarted on a new host during an HA event, how is the I/O data path impacted?

The correct answer is B. All write I/O occurs on the new host. When reading old data, the I/O is served from the host the VM. See the full explanation below for the reasoning.

Question

When a VM is restarted on a new host during an HA event, how is the I/O data path impacted?

Options

  • AAll data and I/O associated with the VM are migrated to the new host.
  • BAll write I/O occurs on the new host. When reading old data, the I/O is served from the host the VM
  • CAll I/O continues to be served from the host the VM previously resided on.
  • DAll write I/O occurs on the new host. When reading old data, the I/O may be forwarded by the local

How the community answered

(21 responses)
  • A
    5% (1)
  • B
    71% (15)
  • C
    10% (2)
  • D
    14% (3)

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