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After reviewing the questionnaire provided by a customer, the consultant is completing the Foundation Configuration on the Nutanix website. According to the customer requirements, the cluster should be prepared off site in a safe room, and moved afterwards to the datacenter.
When preparing the cluster offsite in a safe room, the consultant should ensure that the Foundation VM is correctly configured to handle IPMI networking. Implementing a virtual switch dedicated to the IPMI network within the Foundation VM environment ensures that there is a segregated and controlled network path for IPMI traffic, which is crucial for initial hardware configuration and management. This setup facilitates the secure and efficient foundation process before the cluster is moved to the data center. Reference: Nutanix Foundation Tool Guide, Nutanix Network Configuration Best Practices.
A customer has HE servers with DiscoverOS and wants to install a Nutanix cluster.
Which method should a consultant use to meet the requirements?
When installing a Nutanix cluster on hardware servers pre-loaded with an existing operating system such as DiscoverOS, the best approach is to re-image the bare metal nodes. This process involves using the Nutanix Foundation tool to install the required Nutanix software (such as AOS and Hypervisor) onto the nodes, replacing any pre-existing software. This ensures that the hardware is properly configured and optimized for the Nutanix environment. Reference:
Nutanix University - NCS-Core 6.8 Learning Path
The Nutanix Bible, Foundation chapter (https://www.nutanixbible.com/)
Refer to the exhibit.
An administrator is commissioning a Nutanix Enterprise Cloud. Once the user VMs have been deployed and are running, the administrator finds that VMs on the same host are able to communicate, but are unable to communicate between hosts.
What must be changed to enable full inter-VM communications?
A consultant is running Foundation. The cluster creation fails during the process. The host logs confirm that the nodes have been successfully imaged. The consultant decides to create the cluster manually.
Which command should the consultant use?
To manually create a cluster after the nodes have been successfully imaged but the automated cluster creation fails, the correct command to use is:
cluster create -s IP_CVM_A, IP_CVM_B, IP_CVM_n
This command specifies the -s option to include the IP addresses of the Controller Virtual Machines (CVMs) on the nodes, initiating the manual cluster creation process.
A consultant is deploying a new Nutanix cluster. The nodes have the following network interfaces.
2x 10G NICS
2x 25G NICS
The consultant is using the default virtual switch configurations for AHV. After creating 10 VMs, the consultant observes inconsistent network speeds from the VMs on the AHV host.
What should the consultant do to resolve this issue?
To resolve inconsistent network speeds from the VMs on an AHV host equipped with both 10G and 25G NICs, the consultant should configure all network interfaces with Link Aggregation Control Protocol (LACP) on the same virtual switch. This configuration will allow for better load balancing and bandwidth aggregation across multiple network interfaces, improving overall network throughput and reducing bottlenecks. Reference:
Nutanix University - NCS-Core 6.8 Learning Path
The Nutanix Bible, Networking chapter (https://www.nutanixbible.com/)
