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blw1992Voyager

asked in How It works

Does Nutanix 5.15（LTS）support ESXi 7.0？

The new ESXi 7.0 has been released, does the latest version of nutanix 5.15 (LTS) support upgrades?

24422

5 years ago

HITESH0801Nutanix Employee

posted in How It works

Want to move VMs between two AHV clusters?

Let’s consider a scenario where you have two NX AHV clusters, A and B and there is an urgent need to move a VM from cluster A to cluster B. What are the scenarios available? Do you need to create a protection domain? Do you need to import vdisks from cluster A to cluster B? These are some questions which might be boggling your mind. The following knowledge article helps to list the different scenarios available and steps required in each scenario. AHV | How to move VM disks between two AHV Clusters To understand the concepts of data protection and disaster recovery in the Nutanix environment, the following documents might be helpful Data Protection and Disaster Recovery for AHV based VMs Data Protection and Disaster Recovery

34110

5 years ago

JubranNutanix Employee

posted in How It works

Prism Central

What is Prism Central? Prism Central is a Multi-cluster manager responsible for managing multiple Acropolis Clusters to provide a single, centralized management interface. Prism Central is an optional software appliance (VM) which can be deployed in addition to the Acropolis Cluster (can run on it). How to access Prism Central? Prism Central can be accessed using the IP address specified during configuration or corresponding DNS entry. The figure shows an image illustrating the conceptual relationship between Prism Central and Prism Element: Here is a brief explanations about each of the main pages in Prism Central UI: Home Page: Environment wide monitoring dashboard including detailed information on service status, capacity planning, performance, tasks, etc. To get further information on any of them you can click on the item of interest. Virtual Infrastructure: Virtual entities (e.g. VMs, containers, Images, categories, etc.) Policies: Policy management and creation (e.g. securi

132400

5 years ago

MayurKAdventurer

asked in Installation & Configuration

Nutanix cluster monitoring with Prometheus/Grafana

Hello, Are these any docs available which shows the setup between the Nutanix cluster and Prometheus/Grafana, similar to the one we have for Nagios https://next.nutanix.com/how-it-works-22/monitoring-nutanix-with-nagios-4500 Thanks.

43802

5 years ago

intrpngnExplorer

asked in How It works

Nutanix Snapshot Report

Would like to put together a report that would in detail break down the storage used by VM snapshots, as well as, storage used by Protection Domains. Have been digging around and found a couple scripts that display some useful information however not quite what I’m looking for. Anyone have an idea on how best to proceed?

35773

5 years ago

TimGarayTrailblazer

asked in How It works

AHV VM Connect and Disconnect NIC with PowerShell

I have an AHV VM that I would like to disconnect the NIC and connect the NIC in my script. I need it disconnected while sysprep runs and sets a static IP address then I’m good to connect the NIC again. (Otherwise it pulls a DHCP address and replaced the hostname with the DHCP address in DNS). I can Get-NTNXVMNIC and see the current status of the NIC but I don’t see a way to change the status (i.e. I don’t find a Set-NTNXVMNIC command). Thanks! -TimG

32713

5 years ago

hienleOutrider

asked in Installation & Configuration

Maximum nodes can be installed by Foundation 4.5?

Hi, Does anyone know exactly how many nodes can I install by Foundation 4.5 at one time? As I am going to write some internal docs related to Foundation so I do want to know. Thanks.

11141

5 years ago

HITESH0801Nutanix Employee

posted in How It works

NCC Series | time_drift_check between CVM

NTP or Network Time Protocol is an integral component for any infrastructure as it allows for accurate timestamps of events across the environment. Whether it is relied on for monitoring, troubleshooting or services and applications operations – NTP source is one of the key components of modern IT infrastructure.it helps different systems to be in sync with each other. Controller Virtual Machines (CVMs) are the backbone of Nutanix Hyper-converged Infrastructure. It is important for all the CVMs in the cluster to be in sync with each other. The CVMs use NTP to sync time between themselves within the cluster by after electing one of the CVMs as an NTP leader, even when an external NTP server is not configured, not available or not being used by design. Is there a check which validates time sync between the CVMs? The NCC health check cvm_time_drift_check verifies the time differences between CVMs (Controller VMs). Why is it important for the CVMs to be in time- sync with each oth

11070

5 years ago

HITESH0801Nutanix Employee

posted in How It works

How much resources do CVMs need?

The Nutanix CVM is what runs the Nutanix software and serves all of the I/O operations to the hypervisor and all VMs running on that host hence it is of crucial importance to configure CMVs with the right amount of resources. The RAM and CPU allocation of the CVM both depend on the model of the nodes, the storage capacity of the cluster and the features used in the cluster. Each environment is unique in a way and each and every single one is dynamic by nature. Features are turned on and off, nodes upgrade, storage added. The following guide helps us to understand the memory requirement of the CVM for different models and features. The next time you are planning to add a feature or upgrade hardware in the cluster look at the minimum requirements to make sure that the cluster performance is not affected. After all there are very few things more satisfying than a smooth maintenance window. Acropolis Advance Administration Guide: CVM Memory Requirement Prism Web Console Guide v5.16: Increa

80070

5 years ago

kenNutanix Employee

posted in How It works

Nutanix AOS 5.15 (LTS) now Available

On 31st March 2020 we made available our latest Long Term Support (LTS) release of AOS, version 5.15. This LTS release builds upon a mature and proven AOS codebase which customers have already been running successfully in their production environments. End of Support Life (EOSL) and Release Information: AOS 5.15 is a Long Term Support (LTS) Release: Information on AOS Long Term Support (LTS) and Short Term Support (STS) Releases, please see KB 5505 or the Support policies page Please refer to the AOS EOL Schedule for release details If you are on an EOSL release, please plan on moving to one of the following to avoid disruption in support: AOS 5.15 (LTS) or a supported LTS release AOS 5.16 (STS) or a supported STS release for rapid adoption of new features mentioned in the release notes Hardware Compatibility List (HCL) for Approved Platforms and EOL: Information on the Hardware Compatibility Guidelines and EOL can be found on the Support policies page Please refer to

106000

5 years ago

Albert MendozaNutanix Employee

posted in How It works

New KB Articles Published on Week Ending April 4, 2020

Below are new knowledge base articles published on the week of March 29-April 4, 2020. KB 9119 - Alert A1159 "Flash Mode Usage Limit Exceeded" is not being raised KB 9123 - Alert - A160050 - FileServerConfigureNameServicesFailed KB 9130 - Clicking Source Entity = Container or Disk in an Alert/Event/Task will error out: "Storage Container or Disk with id '<UUID> ' was not found" KB 9131 - Prism Central (PC) 1-click deployment fails on Prism Element (PE) cluster version prior to 5.10.10, 5.11.2, 5.16 and 5.17 KB 9135 - Nutanix Move: "DuplicateName" for ESXi to ESXi Moves on the same vCenter KB 9147 - Migrating CentOS/RHEL 5.11 VM by Move KB 9160 - Nutanix Support Organization response to COVID-19 KB 9163 - Kubernetes pod fails to mount a volume that is internally-attached to a VM KB 9169 - Era Registration Fails due to multiple IP Addresses KB 9173 - LCM Failure: The following entities cannot be updated as they are disabled KB 9178 - ESXi 6.7U3 Upgrade on PRIMEFLEX Using 1-Click Wi

5500

5 years ago

ArogarthVoyager

asked in How It works

Prism API v3 Image Upload define Storage Container

Hello, We build our vm images using packer and ansible and upload them to different endpoints. First time I uploaded the images to Prism Central using API v3 and batch processing. Prism Central deploys the image to all the cluster that are registrated. That works fine… BUT… HOW can i define the destination storage container on each cluster?? I can define placement policies etc but I cannot assign a category or policy to Storage Container. Prism Central always deploys the images to “SelfServiceContainer”. But we dont want that.

43013

5 years ago

DethoAdventurer

asked in How It works

Interpreting performance metrics

Hi everyone,I’m using the API to pull VM performance stats, however I’m having trouble interpreting what I’m seeing.For instance, I’m pulling “hypervisor.cpu_ready_time_ppm” for one of my VMs and getting the following output:{ "statsSpecificResponses": [ { "successful": true, "message": null, "startTimeInUsecs": 1576458000000000, "intervalInSecs": 30, "metric": "hypervisor.cpu_ready_time_ppm", "values": [ 108, 97, 144, 107, 89, 92, 78, 74, 47, 49, 90,.... Output truncated for brevityI get that the metric is a percentage but obviously you can’t have 144% of time, so how should I interpret these values?What I really need is a guide and/or reference that explains all of these metrics and how to interpret them.I found the following link but it doesn’t really tell me what I want to know:https://portal.nutanix.com/#/page/docs/details?targetId=Prism-Central-Guide-Prism-v51:mul-alerts-user-created-metrics-r.html

873214

5 years ago

JubranNutanix Employee

posted in How It works

Password reset for CVM, AHV & Prism.

When it comes to administering the Nutanix cluster, it's very important to control permissions and to restrict access to critical components such as CVMs, AHV hosts and the Prism UI. Any user that has write access to these components can make drastic changes to the Nutanix environment and thus to your organization’s production/testing environment. Here is how to reset the password for each of the components above: AHV | Root account password reset check out KB-7068 Reset Web Console or nCLI Password check out KB-1200 To recover CVM Password Through the Prism Web Console check out KB-2233

100660

5 years ago

ShauryaNutanix Employee

posted in How It works

Moving VM between containers within the same cluster | AHV

Nutanix recommends that you use a single container in an AHV cluster to simplify VM and image management. What if you still have to have more than one container and wish to split existing VMs between the containers? For example, you created a container named Production and want to move all production VMs to that container. Since currently there is no Storage vMotion equivalent available to move VMs between containers, what we do as a workaround is that we create images from the vdisk and then use these images to deploy new VMs and selecting the desired container. A general overview of the process looks this: Find the VM disk files. Power off the VM. Create images from the files found in step 1 using acli. Create a new VM using acli or using Prism UI. Use the image created in Step 3 as a source for the disk. Power on the VM and check if everything is working fine. You can delete the old VM or the image if required. To have a detailed look at the steps and the commands i

12950

5 years ago

Mohamed_ali_gWayfarer

asked in How It works

IPMI port / Shared IPMI port

Hello All, i have a question want to explain what’s the differents between IPMI port and SHARED IMPI? if there are any business or technical cases to choose between them ? thank you,

34141

5 years ago

CarlosRPathfinder

asked in How It works

AHV Active-Backup - Last Ethernet Failover

Our hosts network ports are currently configured as Active-Backup bonds. I can determine which Ethernet port is currently active, which Ethernet port is on standby, and I can issue a command to failover the port. I would like to know if there is a command which can be run from the AHV which outputs the time and date-stamps of the last Host Ethernet port failover.

16431

5 years ago

JeremyJNutanix Employee

posted in How It works

How to unregister a cluster from Prism Central

There are various scenarios in which you may need to unregister a cluster from PC, and it is important to do it correctly. Whether you are decommissioning a Prism Element (PE) cluster which was registered to Prism Central (PC), or you already have decommissioned a cluster but it is still linked to a PC, or you have a cluster that is registered with one PC instance but would like to re-register it with a different PC instance for the benefit of localized management or to configure availability groups using Leap. All What does "correctly" look like? Done properly, unregistration of a cluster from PC involves a remove-from-multicluster step followed by clean-up of associated metadata. This metadata clean-up must be allowed to complete prior to attempting to re-register the cluster to a PC, otherwise, registration could be blocked. How to do it? There is no GUI method to unregister a cluster from Prism Central, so the process requires SSH access to the PC VM as well as to a CVM of th

130420

5 years ago

JubranNutanix Employee

posted in How It works

Life Cycle Management (LCM)

What is LCM? The Life Cycle Manager (LCM) tracks software and firmware versions of all entities in the cluster, integrated both on Prism Element and Prism Central. LCM Structure: LCM consists of a framework and a set of modules for inventory and update. LCM supports software updates for all platforms that use Nutanix software. LCM supports firmware updates for a specific platforms. From Prism Element you can use LCM to update AHV, NCC, Foundation, BIOS, BMC, DATA Drives, HBA Controllers, SATADOMs and M.2 Drives (G6 and later). From Prism Central, you can update Calm, Epsilon, Karbon, and Objects. When you run a firmware upgrade on multiple nodes, the LCM updates one node at a time to prevent any down time in your cluster. Before the upgrade starts, all the VMs on that node are migrated to another host and the node enters maintenance mode. Always make sure that your cluster can tolerate a node failure by having the data resiliency status as “OK” in Prism Element. For more informati

54270

5 years ago

cmonardVoyager

asked in How It works

REST API - Storage Summary calculation

Dear all, I need to provide some reporting for my management. I'm using REST API & Python, to extract values. I managed to get hosts information (cpu, ram) and physical storage without any problem. Now I need to get the logical storage summary and I can't find the values via the REST Api. (same values as we get on the PRISM homepage on Storage Summary part) It's probably a calculation but I can't find the right one. May I ask you to provide me the values and calculations. Thank you for your help. Best regards Cedric

37912

5 years ago

JubranNutanix Employee

posted in How It works

Nutanix Guest Tools

What is Nutanix Guest Tool (NGT)? Nutanix Guest Tools (NGT) is a software based in-guest agent framework which enables advanced VM management functionality through the Nutanix Platform. The solution is composed of the NGT installer which is installed on the VMs and the Guest Tools Framework which is used for coordination between the agent and Nutanix platform. The NGT installer contains the following components: Guest Agent Service Self-service Restore (SSR) aka File-level Restore (FLR) CLI VM Mobility Drivers (VirtIO drivers for AHV) VSS Agent and Hardware Provider for Windows VMs App Consistent snapshot support for Linux VMs (via scripts to quiesce) This framework is composed of a few high-level components: Guest Tools Service Guest Agent The figure shows the high-level mapping of the components: Important notes: NGT uses TCP/IP network connectivity secured with SSL. The installation includes identifiers unique to the VM and the cluster, but you can pre-install NGT on a clone ba

467140

5 years ago

LeonardThngNutanix Employee

asked in How It works

Is it okay or normal to have RX dropped packets in cluster?

Hi,I have a customer with multiple clusters running hyper-V 2016. We are noticing dropped RX packets in the clusters. There was to an extent where there was a RX dropped packets alert generated in one of the clusters. So we proceeded to upgrade the Intel NIC firmware as recommended by support, after this, we notice the alert does not happen anymore. But we still see dropped packets.Is this normal or okay for a cluster/NIC to have rx dropped packets?

29731

5 years ago

Albert MendozaNutanix Employee

posted in How It works

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