Nutanix Move Failover Quiz

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Questions and Answers

What is one benefit of using Nutanix Move for VM conversion?

It is the only tool available for VM conversion.

It requires no third-party tools.

It minimizes downtime as much as possible. (correct)

It guarantees zero downtime during conversion.

What is a significant drawback of using third-party tools for VM conversion?

They can only be used for free VMs.

They often result in less flexibility.

They do not provide any added features.

They typically have a high learning curve and cost. (correct)

Which method is best suited for data replication rather than copying the VM?

Hypervisor format conversion

Batch conversion tools

Application-based method (correct)

Single cluster failover

What is a common consequence of converting a VM between different hypervisors?

There will always be some downtime. Signup and view all the answers

What is an advantage of using a single cluster for failover?

It simplifies the conversion process. Signup and view all the answers

Which of the following is NOT a characteristic of Nutanix Move?

Increases chances of data loss. Signup and view all the answers

What is a potential challenge of using third-party tools for VM conversion?

They might come with additional software costs. Signup and view all the answers

When might one expect downtime during the VM conversion process?

When converting VMs between different hypervisors. Signup and view all the answers

Which types of disks are supported by CDHR?

IDE/SCSI and SATA disks Signup and view all the answers

What must be done before migrating VMs from AHV to ESXi regarding attached volume groups?

Manually reattach the volume groups Signup and view all the answers

What is a limitation of CDHR regarding vSphere snapshots?

It does not support vSphere snapshots Signup and view all the answers

What SAN policy setting is required for all Windows VMs and non-boot SCSI disks?

OnlineAll Signup and view all the answers

Which technology does AHV support for graphics performance?

NVIDIA GRID technology Signup and view all the answers

Which of the following should be disabled if VMware vSphere Fault Tolerance is enabled on a VM protected with CHDR?

VMware Fault Tolerance Signup and view all the answers

In which scenario might VMs lose their IP addresses during migration to ESXi?

When volume groups are not manually reattached Signup and view all the answers

What happens if delta disks are attached during a CDHR migration?

The VMs might be lost Signup and view all the answers

What is the primary function of a virtual switch in AHV configurations?

To manage both bridges and uplink ports across AHV nodes. Signup and view all the answers

Which bridge is included in the default Nutanix AHV configuration and is used for traffic management?

br0 Signup and view all the answers

What type of port within a bridge connects VM virtual NICs (vNICs) to the bridge?

Tap port Signup and view all the answers

What does the bond named br0-up do in the context of an AHV host?

It serves as the uplink for physical interfaces. Signup and view all the answers

In which version was the Network Controller introduced as part of Flow Virtual Networking?

AOS 6.7 Signup and view all the answers

What role does the virbr0 bridge play in the Nutanix AHV environment?

It manages storage communication and host management. Signup and view all the answers

What is the primary purpose of VXLAN ports in Nutanix AHV?

To enable IP address management (IPAM) functionality. Signup and view all the answers

Which of the following statements about bonded ports is true?

They aggregate physical interfaces for load balancing. Signup and view all the answers

What is the primary function of the eth0 interface in a CVM configuration?

Public CVM traffic Signup and view all the answers

What can be added to a CVM configuration under advanced requirements?

CVM interfaces for Replication Signup and view all the answers

What does the virtual switch UI in AHV allow administrators to control?

Load-balancing algorithms and MTU Signup and view all the answers

When creating a virtual switch, what default name is typically assigned?

vs0 Signup and view all the answers

What does traffic mirroring accomplish in an AHV environment?

Copies traffic to guest VMs' virtual NICs Signup and view all the answers

Which load-balancing algorithm can be selected for LACP-enabled bridges in Prism?

balance-tcp Signup and view all the answers

For more advanced networking configurations in AHV, what can be configured on a per-host basis?

Uplinks settings Signup and view all the answers

Which of the following is NOT a requirement for a dedicated VLAN configuration in a CVM?

Installation of physical switches Signup and view all the answers

What is the primary purpose of Traffic Mirroring?

To troubleshoot packets and perform security analysis Signup and view all the answers

Which type of traffic can Traffic Mirroring handle?

Inbound, outbound, and bidirectional traffic Signup and view all the answers

What must be true about the destination for mirrored traffic?

It must be a VM on the same host Signup and view all the answers

How many SPAN sessions can be configured per host?

Two SPAN sessions Signup and view all the answers

Which mode for link aggregation is the default configuration for AHV?

Active-Active - Pinning Signup and view all the answers

What is a major drawback of the Active-Active - Pinning mode?

It allows only a single active link per vswitch Signup and view all the answers

Which benefit is NOT associated with the Active-Active - MAC mode?

Allows for efficient use of multiple links Signup and view all the answers

Which load-balancing algorithm best suits environments that need aggregated bandwidth on a per-vswitch basis?

Active-Active - LAG/LACP Signup and view all the answers

Study Notes

Nutanix Move and Failover

Nutanix Move minimizes downtime during VM format conversions between hypervisors.
Enables migrations with a single VM or groups of VMs.
Third-party tools often have similar experiences to Nutanix Move, but may involve additional costs and a learning curve.

Cross-Hypervisor Disaster Recovery (CHDR)

CHDR supports both sites with all non-end-of-life (EOL) AOS versions.
Limitations include:
- No support for vSphere snapshots or delta disk files, risking VM loss during migration.
- Does not support VMs with attached volume groups or shared virtual disks.
- Requires manual reattachment of virtual groups (VGs) when migrating from AHV to ESXi.

VMware vSphere Fault Tolerance

VMware FT should not be enabled on VMs protected with CHDR.
If already enabled, it must be disabled to prevent failure or crash of services post-migration.

AHV Graphics and Compute Performance

AHV supports NVIDIA GRID technology, allowing multiple VMs to use the same physical GPU.
The virtual switch aggregates similar OVS bridges and uplinks across AHV nodes.

Networking in AHV

Bridges and ports facilitate connectivity between physical and virtual network interfaces.
Default configuration includes OVS bridge (br0) for VM network traffic and Linux bridge (virbr0) for management.

Network Controller in AOS

Network Controller is part of Flow Virtual Networking for VLAN and Overlay network deployments.
Managed at Prism Central (PC) level.

Port Types in AHV

Internal ports connect to default bridges, tap ports connect vNICs, and VXLAN ports support IP address management.
Bonded ports aggregate physical interfaces for fault tolerance and load balancing.

CVM Network Requirements

Default is using eth0 for public traffic and eth1 for internal storage.
Advanced settings may include dedicated VLANs and additional interfaces if required.

AHV Bridge and Uplink Configuration

Manage AHV bonds via Prism or command line, selecting load-balancing algorithms.
Virtual switches control network configuration in the AHV cluster.

Traffic Mirroring

Enables monitoring of inbound and outbound traffic on AHV hosts' interfaces.
Mirrored traffic can be used for security analysis and visibility.
Each host supports two SPAN sessions, with destination traffic needing to go to a VM on the same host.

AHV Host Link Aggregation

Three modes available for link aggregation:
- Active-Active (MAC): Simple setup, limited bandwidth due to one active link.
- Active-Active (Backup): More robust but requires additional configuration.
- Active-Active (LAG/LACP): Optimized for bandwidth aggregation across multiple links; recommended for performance.

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Description

Test your knowledge on Nutanix Move and its failover capabilities. Learn about the flexibility, downtime, and the processes involved in handling VMs during failover. This quiz will cover critical aspects of managing clusters and VMs effectively.