Podcast
Questions and Answers
Within a Nutanix Cluster, what action will be taken by the cluster when an administrator is getting a frequent failure alert of Cassandra & Stargate services for one of the nodes?
Within a Nutanix Cluster, what action will be taken by the cluster when an administrator is getting a frequent failure alert of Cassandra & Stargate services for one of the nodes?
- Put host in Maintenance mode (correct)
- Remove the host from Cluster
- Redirect I/O path to another CVM
- Reboot guest VM to another host
What resources should be used to ensure a successful upgrade of the Hypervisor & AOS within a vSphere-based Nutanix cluster?
What resources should be used to ensure a successful upgrade of the Hypervisor & AOS within a vSphere-based Nutanix cluster?
- Hardware Replacement Documents
- Compatibility & interoperability Matrix (correct)
- Field Advisories (correct)
- Upgrade path (correct)
Which dashboard in Prism will best help the administrator to isolate the cause of the red heart upon login?
Which dashboard in Prism will best help the administrator to isolate the cause of the red heart upon login?
- Health (correct)
- Analysis
- Hardware
- Task
What requirements need to be considered before configuring a Replication factor of 1 (RF1)?
What requirements need to be considered before configuring a Replication factor of 1 (RF1)?
On which entity is the Replication Factor configured?
On which entity is the Replication Factor configured?
Which LCM feature simplifies upgrades on a cluster without internet access?
Which LCM feature simplifies upgrades on a cluster without internet access?
Which feature enables image placement policies to be mapped to a target cluster?
Which feature enables image placement policies to be mapped to a target cluster?
From Prism Central, how can an administrator access the cluster?
From Prism Central, how can an administrator access the cluster?
Which feature or configuration is best for securing network traffic between the management and storage replication environments?
Which feature or configuration is best for securing network traffic between the management and storage replication environments?
Which AHV feature proactively monitors a Nutanix cluster for compute & storage I/O contention or hotspot over time?
Which AHV feature proactively monitors a Nutanix cluster for compute & storage I/O contention or hotspot over time?
An administrator is deploying a virtual firewall on each node in an AHV cluster and wants each VM to maintain affinity to its host
How can an administrator achieve this goal most effectively?
An administrator is deploying a virtual firewall on each node in an AHV cluster and wants each VM to maintain affinity to its host How can an administrator achieve this goal most effectively?
What is the purpose of Discoveries within the Nutanix support portal?
What is the purpose of Discoveries within the Nutanix support portal?
An administrator need to send weekly performance review to several line of business managers about VM they are managing
Which tool should the administrator use to satisfy this task.
An administrator need to send weekly performance review to several line of business managers about VM they are managing Which tool should the administrator use to satisfy this task.
A single host in a four-node AHV based cluster experiences a complete network failure.
If more than enough resources exist in the cluster to tolerate a node failure, what happens to the user VMs running on the host?
A single host in a four-node AHV based cluster experiences a complete network failure. If more than enough resources exist in the cluster to tolerate a node failure, what happens to the user VMs running on the host?
Which product or feature is most suitable for deploying a Microsoft SQL cluster in a Nutanix environment?
Which product or feature is most suitable for deploying a Microsoft SQL cluster in a Nutanix environment?
Where can an administrator find information about the Cluster Runway?
Where can an administrator find information about the Cluster Runway?
What is the minimum cluster size for Redundancy Factor 3?
What is the minimum cluster size for Redundancy Factor 3?
Which IP address can be used to directly access Prism Element?
Which IP address can be used to directly access Prism Element?
Which feature in Pulse helps secure a customer’s private information?
Which feature in Pulse helps secure a customer’s private information?
In an AHV five-node cluster, an SSD fails within a node that has two SSDs and four HDDs installed.
What will happen to the cluster environment?
In an AHV five-node cluster, an SSD fails within a node that has two SSDs and four HDDs installed. What will happen to the cluster environment?
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Study Notes
Nutanix Cluster Management and Configuration
- Frequent failure alerts for Cassandra and Stargate services may lead to the cluster redirecting I/O path to another Controller Virtual Machine (CVM).
- Successful upgrades of Hypervisor and AOS in vSphere-based clusters require careful reference to hardware replacement documents, field advisories, upgrade paths, and compatibility matrices.
- A red heart icon in Prism Element indicates issues; the Health dashboard is the best to isolate the cause.
- Replication Factor of 1 (RF1) needs consideration of the node count and application resiliency for a proper setup.
- Replication Factor is configured on the Container entity.
- Least complex upgrade in a cluster without internet access can be facilitated by Direct Upload feature in LCM (Lifecycle Manager).
Feature Utilization and Network Security
- Image placement policies can be mapped to target clusters using Labels.
- Accessing a cluster from Prism Central is effectively done through the cluster quick access widget on the main dashboard.
- Best practices for securing network traffic between management and storage replication environments include Network Segmentation and implementing Firewall rules.
- AHV features like ADS (Advanced Data Services) proactively monitor the cluster for compute and storage I/O contention.
VM Management and Monitoring
- To ensure VMs maintain affinity to their hosts with virtual firewalls on each node, administrators can set VMs as agent VMs.
- Discoveries in the Nutanix support Portal help identify clusters affected by known issues.
- For weekly performance reviews of VMs, Prism Central Report with a scheduling feature is optimal for generating consistent updates.
- In a scenario with a network failure on a host in a four-node AHV cluster, VMs will remain operational but become unreachable until connectivity is restored.
Product Suitability and Cluster Size Requirements
- For deploying a Microsoft SQL cluster in a Nutanix environment, Volumes are the most suitable product.
- Information about the Cluster Runway is accessible through Prism Central analysis.
- The minimum cluster size required for Redundancy Factor 3 is 4 nodes.
- Prism Element can be accessed directly through the IP address of any Controller VM in the Cluster.
Data Security and Resilience
- Pulse's feature for securing private customer information includes Data-at-rest Encryption.
- In a five-node AHV cluster with an SSD failure, while the cluster will continue functioning, VMs may need to be live migrated to other hosts until metadata rebuild is complete.
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