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2V0-622D · Question #245

Which two statements are true when vSAN & vSphere HA are enabled in the same cluster? (Choose two.)

The correct answer is B. The vSAN storage network is used for vSphere HA traffic. D. Any datastore mounted on more than one host can be used as a Heartbeat datastore, except. When vSAN and vSphere HA coexist in a cluster, HA repurposes the vSAN network for its own inter-host traffic, and the vSAN datastore is excluded from heartbeat datastore eligibility while all other shared datastores remain eligible.

Section 6 – Administer vSphere 6.5 Availability

Question

Which two statements are true when vSAN & vSphere HA are enabled in the same cluster? (Choose two.)

Options

  • AAny vSAN datastore mounted on more than one host can be used as a Heartbeat datastore.
  • BThe vSAN storage network is used for vSphere HA traffic.
  • CThe Management network is used for vSphere HA traffic.
  • DAny datastore mounted on more than one host can be used as a Heartbeat datastore, except
  • EAny datastore mounted on more than one host can be used as a Heartbeat datastore.

How the community answered

(25 responses)
  • A
    4% (1)
  • B
    76% (19)
  • C
    16% (4)
  • E
    4% (1)

Why each option

When vSAN and vSphere HA coexist in a cluster, HA repurposes the vSAN network for its own inter-host traffic, and the vSAN datastore is excluded from heartbeat datastore eligibility while all other shared datastores remain eligible.

AAny vSAN datastore mounted on more than one host can be used as a Heartbeat datastore.

vSAN datastores are explicitly excluded from serving as heartbeat datastores because HA already uses the vSAN network for communication, making the vSAN datastore ineligible for this role.

BThe vSAN storage network is used for vSphere HA traffic.Correct

When vSAN is enabled in a cluster, vSphere HA automatically shifts its inter-host communication traffic to the vSAN network instead of the management network, reducing management network congestion and aligning HA traffic with the dedicated storage network path.

CThe Management network is used for vSphere HA traffic.

When vSAN is present in the cluster, vSphere HA traffic moves to the vSAN network, not the management network, so this statement is incorrect in a vSAN-enabled environment.

DAny datastore mounted on more than one host can be used as a Heartbeat datastore, exceptCorrect

Any datastore mounted on more than one host qualifies as a heartbeat datastore except the vSAN datastore itself, because HA heartbeat communication already travels over the vSAN network, making the vSAN datastore redundant and unsupported as a separate heartbeat store.

EAny datastore mounted on more than one host can be used as a Heartbeat datastore.

This statement is factually incomplete - it omits the critical exception that the vSAN datastore itself cannot be used as a heartbeat datastore, making it inaccurate as written.

Concept tested: vSAN and vSphere HA network traffic integration

Source: https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.vsan.doc/GUID-AAA60D51-5B96-4F7A-BA78-AF8D1E5C7DDD.html

Topics

#vSAN#vSphere HA#heartbeat datastore#management network

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