Podcast
Questions and Answers
What is one benefit of using Nutanix Move for VM conversion?
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?
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?
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?
What is a common consequence of converting a VM between different hypervisors?
What is an advantage of using a single cluster for failover?
What is an advantage of using a single cluster for failover?
Which of the following is NOT a characteristic of Nutanix Move?
Which of the following is NOT a characteristic of Nutanix Move?
What is a potential challenge of using third-party tools for VM conversion?
What is a potential challenge of using third-party tools for VM conversion?
When might one expect downtime during the VM conversion process?
When might one expect downtime during the VM conversion process?
Which types of disks are supported by CDHR?
Which types of disks are supported by CDHR?
What must be done before migrating VMs from AHV to ESXi regarding attached volume groups?
What must be done before migrating VMs from AHV to ESXi regarding attached volume groups?
What is a limitation of CDHR regarding vSphere snapshots?
What is a limitation of CDHR regarding vSphere snapshots?
What SAN policy setting is required for all Windows VMs and non-boot SCSI disks?
What SAN policy setting is required for all Windows VMs and non-boot SCSI disks?
Which technology does AHV support for graphics performance?
Which technology does AHV support for graphics performance?
Which of the following should be disabled if VMware vSphere Fault Tolerance is enabled on a VM protected with CHDR?
Which of the following should be disabled if VMware vSphere Fault Tolerance is enabled on a VM protected with CHDR?
In which scenario might VMs lose their IP addresses during migration to ESXi?
In which scenario might VMs lose their IP addresses during migration to ESXi?
What happens if delta disks are attached during a CDHR migration?
What happens if delta disks are attached during a CDHR migration?
What is the primary function of a virtual switch in AHV configurations?
What is the primary function of a virtual switch in AHV configurations?
Which bridge is included in the default Nutanix AHV configuration and is used for traffic management?
Which bridge is included in the default Nutanix AHV configuration and is used for traffic management?
What type of port within a bridge connects VM virtual NICs (vNICs) to the bridge?
What type of port within a bridge connects VM virtual NICs (vNICs) to the bridge?
What does the bond named br0-up do in the context of an AHV host?
What does the bond named br0-up do in the context of an AHV host?
In which version was the Network Controller introduced as part of Flow Virtual Networking?
In which version was the Network Controller introduced as part of Flow Virtual Networking?
What role does the virbr0 bridge play in the Nutanix AHV environment?
What role does the virbr0 bridge play in the Nutanix AHV environment?
What is the primary purpose of VXLAN ports in Nutanix AHV?
What is the primary purpose of VXLAN ports in Nutanix AHV?
Which of the following statements about bonded ports is true?
Which of the following statements about bonded ports is true?
What is the primary function of the eth0 interface in a CVM configuration?
What is the primary function of the eth0 interface in a CVM configuration?
What can be added to a CVM configuration under advanced requirements?
What can be added to a CVM configuration under advanced requirements?
What does the virtual switch UI in AHV allow administrators to control?
What does the virtual switch UI in AHV allow administrators to control?
When creating a virtual switch, what default name is typically assigned?
When creating a virtual switch, what default name is typically assigned?
What does traffic mirroring accomplish in an AHV environment?
What does traffic mirroring accomplish in an AHV environment?
Which load-balancing algorithm can be selected for LACP-enabled bridges in Prism?
Which load-balancing algorithm can be selected for LACP-enabled bridges in Prism?
For more advanced networking configurations in AHV, what can be configured on a per-host basis?
For more advanced networking configurations in AHV, what can be configured on a per-host basis?
Which of the following is NOT a requirement for a dedicated VLAN configuration in a CVM?
Which of the following is NOT a requirement for a dedicated VLAN configuration in a CVM?
What is the primary purpose of Traffic Mirroring?
What is the primary purpose of Traffic Mirroring?
Which type of traffic can Traffic Mirroring handle?
Which type of traffic can Traffic Mirroring handle?
What must be true about the destination for mirrored traffic?
What must be true about the destination for mirrored traffic?
How many SPAN sessions can be configured per host?
How many SPAN sessions can be configured per host?
Which mode for link aggregation is the default configuration for AHV?
Which mode for link aggregation is the default configuration for AHV?
What is a major drawback of the Active-Active - Pinning mode?
What is a major drawback of the Active-Active - Pinning mode?
Which benefit is NOT associated with the Active-Active - MAC mode?
Which benefit is NOT associated with the Active-Active - MAC mode?
Which load-balancing algorithm best suits environments that need aggregated bandwidth on a per-vswitch basis?
Which load-balancing algorithm best suits environments that need aggregated bandwidth on a per-vswitch basis?
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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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