Virtual Ramblings

Tag: Nutanix

11 min read

Describe, differentiate and utilize nCLI/aCLI to configure and monitor a cluster

Acropolis CLI (ACLI) The Acropolis CLI (aCLI) is used for managing the Acropolis portion of the Nutanix List hosts: host.list Create network: net.create [TYPE].[ID].[VSWITCH] ip_config=[A.B.C.D]/[NN] #Example net.create vlan.133 ip_config=10.1.1.1/24 List network(s): net.list Create DHCP scope: net.add_dhcp_pool [NET NAME] start=[START IP A.B.C.D] end=[END IP W.X.Y.Z] Note: .254 is reserved and used by the Acropolis DHCP server…

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1 min read

Utilize Prism Element to configure and monitor a cluster

The web console is a graphical user interface (GUI) that allows you to monitor cluster operations and perform a variety of configuration tasks. Nutanix employs a license-based system to enable your entitled Nutanix features, and you can install or regenerate a license through the web console (see License Management). You can upgrade a cluster when…

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1 min read

Identify methods for managing a Nutanix Enterprise Cloud

Interfaces HTML5 UI, REST API, CLI, PowerShell CMDlets, etc. Management Policy definition and compliance, service design and status, analytics and monitoring

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3 min read

Describe some of the primary AOS services running on the CVM

An Acropolis Slave runs on every CVM with an elected Acropolis Master which is responsible for task scheduling, execution, IPAM, etc.  Similar to other components which have a Master, if the Acropolis Master fails, a new one will be elected. The role breakdown for each can be seen below: Acropolis Master Task scheduling & execution…

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9 min read

Differentiate between physical and logical cluster components

Cassandra Distributed metadata store, based on heavily modified Apache Cassandra Stores/manages all metadata in ring-like manner Metadata describes where and how data is stored on a filesystem Let’s system know which node/disk and in what form the data resides Runs on every node in the cluster Accessed via Medusa RF used to maintain availability/redundancy Upon…

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2 min read

Recognize the benefits of a Nutanix hyperconverged infrastructure solution

Hyperconverged Infrastructure converges the entire datacenter stack, including compute, storage, storage networking, and virtualization. Complex and expensive legacy infrastructure is replaced by a platform running on turnkey, industry-standard servers that enable enterprises to start small and scale one node at a time. Software running on each server node distributes all operating functions across the cluster…

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3 min read

Explain the relationship between nodes, blocks and clusters

Node A physical server contained in a Nutanix block Model Comparison: 2 Node (6000/7000) 4 Node (1000/2000/3000/3050) Each node runs a hypervisor (ESXi/HV/KVM) + Nutanix CVM (Controller VM) Block A set of Nutanix nodes contained in a single enclosure Uniform populated blocks recommended Prevents storage skew Ensures if block fails/maintenance needed, system can run without…

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13 min read

Define and differentiate features and technologies present in Acropolis, Prism and Calm

Acropolis Acropolis is a distributed multi-resource manager, orchestration platform and data plane. It is broken down into the following three main components: Distributed Storage Fabric (DSF) This is at the core and birth of the Nutanix platform and expands upon the Nutanix Distributed Filesystem (NDFS).  NDFS has now evolved from a distributed system pooling storage…

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