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NCP-MCI-6.10 · Question #127

An administrator is configuring a protection domain for business critical applications, including SQL, Oracle, and Exchange. The administrator needs to evaluate the requirements and limitations for…

The correct answer is A. Configure one consistency group for all VMs comprising an App. For multi-VM applications requiring application-consistent snapshots, all VMs comprising the application must be placed in a single consistency group to ensure coordinated quiescing across all components.

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Question

An administrator is configuring a protection domain for business critical applications, including SQL, Oracle, and Exchange. The administrator needs to evaluate the requirements and limitations for application-consistent snapshots. What action should the administrator take while configuring application-consistent snapshots?

Options

  • AConfigure one consistency group for all VMs comprising an App.
  • BConfigure one consistency group for each VM.
  • CSelect application consistent snapshot checkbox in consistency group settings only.
  • DEnsure that Windows VMs have in-guest mounted VHDX disks.

How the community answered

(41 responses)
  • A
    80% (33)
  • B
    10% (4)
  • C
    5% (2)
  • D
    5% (2)

Why each option

For multi-VM applications requiring application-consistent snapshots, all VMs comprising the application must be placed in a single consistency group to ensure coordinated quiescing across all components.

AConfigure one consistency group for all VMs comprising an App.Correct

Placing all VMs of a multi-tier application such as SQL, Oracle, or Exchange in one consistency group ensures that all application components are quiesced simultaneously during a snapshot, preserving transactional consistency and preventing data corruption across interdependent VMs.

BConfigure one consistency group for each VM.

Creating one consistency group per VM would quiesce each VM independently, breaking transactional consistency for applications that span multiple VMs.

CSelect application consistent snapshot checkbox in consistency group settings only.

Selecting the application-consistent snapshot checkbox alone is insufficient without also grouping all related VMs in a single consistency group.

DEnsure that Windows VMs have in-guest mounted VHDX disks.

VHDX disks are not a requirement for application-consistent snapshots; they are not relevant to the quiescing mechanism used by Nutanix NGT.

Concept tested: Application-consistent snapshot consistency group configuration

Topics

#Protection Domains#Application Consistency#Snapshots#Consistency Groups

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