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How It works

How It works

Have questions about how the Nutanix Platform works? Looking to get started - start here!

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Albert Mendoza

started this topic

New KB Articles Published on Week Ending October 29, 2022

Below are new knowledge base articles published on the week of October 23-29, 2022.KB 13136 - NCC Health Check: microservice_infrastructure_...

Alona

started this topic

Help us help you! Assign Support Contact to your Nutanix assets.

We know you care about your infrastructure. Every time and auto support ticket is created for one of Nutanix clusters a Support Engineer con...

1205 Topics

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itguyadamAdventurer

asked in How It works

Running SSH commands on CVM via Ansible

Hello, Just wondering if there is anything special about running CVM commands via ansible or other non-interactive session tools? The ansible ping module works just fine but when I start using Nutanix specific commands i get errors telling me that "no such file exists." The commands i'm running are "cluster status" and "ncli rsyslog-config get-status" These obviously work in a regular interactive session but not with ansible. Am i missing a path variable declaration or something? Are the commands only available via interactive sessions(if that is even a thing)? Thanks Update: a coworker who is better at linux than I am said that the profile probably isn't loaded the same so I need to fully source all the commands. So right now I'm doing my best to find them and running them that way. So far so good. /home/nutanix/cluster/bin/cluster status

3 years ago

Diwakar.sharmaWayfarer

asked in How It works

VM's uptime get reset in vCenter after migrating the VM when we put host into maintenance mode from CVM's Putty Session

Recently i have upgraded some Firmware for one of the cluster. Firmware upgrade has migrated all VMs to other host and put the host into maintenance mode. i was cross checking the behavior on vcenter and found in tune as per process but after migrating all VMs to other host it reset the uptime for all migrated VMs in vcenter logs/view. but when checked guest os uptime then it was older than vcenter info. (VMs were not rebooted). i am unable to understand that, is it a bug or do i have an issue with Nutanix cluster.

3 years ago

hienleOutrider

asked in How It works

Nutanix AsyncDR supports OEM hardware?

As the title stated, does someone know whether I can run AsynDR on OEM hardware just as Dell, Lenovo... or not? I have a customer wanting to create a AsyncDR session to backup files from a Nutanix cluster to a Nutanix on Dell servers. Is there any limitation so far? Thanks.

3 years ago

Xavier95Pathfinder

asked in How It works

script to update categories and projects

I have a bunch of VM (>300) converted from vmware, and I have to classify them with categories and projects. I tried in powershell with the rest API, but when I GET the VM characteristics and use ConvertTo-Json to build new json file, it does not "expand" embedded arrays like disk_list, nic_list... so cannot send the PUT request correctly Does someone have an example to set/update categories and project for a VM ?

3 years ago

HongAdventurer

asked in How It works

Nutanix Storage capacity and resiliency(three questions)

I have three questions. Please answer. 1.For example, we are using three nodes. There's a resiliency warning for prism because of the high utilization of storage. Then there was a problem in use and one node failed. I wonder what happens in this case. What kind of error is caused? Can we keep the service? 2.What's the maximum storage utilization that Nutanix can continue with its services? 3.What happens when storage utilization is 100%?

3 years ago

JamesFoxVoyager

asked in How It works

ESX host to AHV

Hi all, I have a production ESX cluster and an AHV cluster (currently Dev but will be live soon) and I want to move a couple of hosts out of the ESX cluster and then expand the AHV cluster. I want to make sure I have the correct process and do not miss anything but couldn't find this specifically documented anywhere. Has anyone done this already? current plan is - - Cluster checks. - maintenance mode esx host to move all VMs off. - shutdown CVM and allow maintenance mode to complete. - remove VMhost from the prod vmware cluster in vSphere. - remove from Nutanix cluster using the option in Prism. - wait for Nutanix to remove the node. - Expand the AHV cluster adding the released ESX host. Any comments or advise would be welcome. Thanks.

3 years ago

alucianiChevalier

posted in How It works

NandaAdventurer

asked in How It works

Snapshot creation

Please help on where are the created snapshots stored in Nutanix

3 years ago

williambiiiPathfinder

asked in How It works

SR-IOV & Nutanix

Hi, I am currently working with a customer who is looking into Nutanix and we are planning a POC. They have large VMWARE environment running 6.7. They have some applications that require SR-IOV. If we decide to go to Acropolis, is SR-IOV supported in Acropolis or is there a feature similar to that available natively on Nutanix? Many thanks.

3 years ago

cirventAdventurer

asked in How It works

v3 - Error 403 api/nutanix/v3/vms/list

Hello All, I can not list the VMs with the v3 version, I have the same error with the API explorer, I have an error 403, my cluster is in version 5.5.3.1 can you help me? Code: [code]$username = 'admin'; $password = "pass"; $url2 = "https://a01ntnx003:9440/api/nutanix/v3/vms/list"; $data_string2 = '{\"kind\":\"vm\"}'; $ch2 = curl_init($url2); curl_setopt($ch2, CURLOPT_CUSTOMREQUEST, "POST"); curl_setopt($ch2, CURLOPT_POSTFIELDS, $data_string2); curl_setopt($ch2, CURLOPT_HTTPAUTH, CURLAUTH_BASIC); curl_setopt($ch2, CURLOPT_USERPWD, "$username:$password"); curl_setopt($ch2, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch2, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($ch2, CURLOPT_SSL_VERIFYHOST, false); $data3 = curl_exec($ch2); [/code] Error: [code]{ "state": "ERROR", "code": 403, "message_list": [ { "message": "Requested action is not supported.", "reason": "ACTION_NOT_SUPPORTED" } ], "api_version": "3.0" } [/code]

3 years ago

SaleemmekVoyager

asked in How It works

Difference between AOS , Foundation and Hyervisor

Hello Experts, I am new to Nutanix world and in middle of acquiring basic knowledge. In Prism console under software upgrade, i can see that there are components like AOS , Foundation and Hypervisor. My understanding is that the Acropolis ( AOS ) software is installed in CVM and CVM is called as Foundation. Hypervisor is either AHV or Vmware or HyperV. Is my understanding is correct ? Please clarrify Thanks Sam.

3 years ago

guifAdventurer

asked in How It works

Inventory with API

Hi, Is there a way to see/export the Hostname and IP of the VMs with the API via cURL? Anybody have an example o extract this information? Thanks Regards

3 years ago

stevekellerExplorer

asked in How It works

Redundancy Factor 3 and Replication Factor 2

Hi Together, How does the nutanix cluster handle failures with following settings: [list] [*]Cluster Redundancy Factor -> 3 [*]Container Replication Factor -> 2 [/list] 1) How many disks or nodes can fail? 2) Does this settings make sense or should the Container RF always set to 3 when Cluster RF is 3? Thanks for clarification! Kind Regard Steve

3 years ago

boonsoon.on-72320Voyager

asked in How It works

Nutanix AHV failover during node failover

Dear All, Currently my Nutanix cluster consist of 3 Nutanix block, 5 node running on AHV 20170830.171 1 block of 3 NX-1065-G5 node 1 block of 1 NX6035-G5 1 block of 1 NX6035-G5 Recently, one of the NX6035-G5 is down due to hardware issue. Somehow, all the VMs hosted on this node not able to auto failover to the others node. Upon checking with Nutanix, we were informed that the failover failed as we don't have sufficient available memory. We were told that AHV will perform the failover for all the fail VMs to one particular node which have sufficient resources to accommodate it; like moving the whole load from the fail node to another node. Previously we are using VMware where it will failover VM by VM to all the available nodes. Anyone encounter similar issue with AHV?

3 years ago

ikraScout

asked in How It works

Migration to Nutanix hyperconverged infrastructure

Hi, I am actually doing my end of study internship, My subject is " implementation of hyperconverged infrastructure" I want to know how to migrate VMs from a legacy infrastructure with vmware Vsphere 5.6 to Nutanix hyperconverged infrastructure with VMware vsphere thank you.

3 years ago

CPattersonAdventurer

asked in How It works

How can I attach a disk from the image service to an exiting VM?

Does anyone have a working example?

3 years ago

NandaAdventurer

asked in How It works

VIrtIO

Please let me know if there is any reason as why VirtIO is shipped separately?

3 years ago

jcastro-54698Wayfarer

posted in How It works

Powershell Script for inventory VM in AHV Hypervisor

Hi folks, I would like share with us the powershell script that use here in my company, this script do inventory of vms that run in nutanix environment AHV and collect the information like : name,servicevmexternalip,hypervisorFullName,blockModelName,cpuModel,numCpuSockets,numCpuCores, after collect we can export in csv and HTML to send by email Link to script: [url=https://clicktime.symantec.com/315nEuqc1rqLG5LyWV1HrD17Vc?u=https%3A%2F%2Fgithub.com%2Fjoaocsjr%2Fpowercli%2Fblob%2Fmaster%2Fntx-invetory1.ps1]https://github.com/joaocsjr/powercli/blob/master/ntx-invetory1.ps1[/url] Regards, Joao Castro

3 years ago

NandaAdventurer

asked in How It works

Deleting a Volume Group

Please help: When we have couple of vdisks in Volume Group can we delete that Volume Group? If yes, what happens to the vdisks which are already in that deleted volume group?

3 years ago

NandaAdventurer

asked in How It works

Boot Priority

While creating the VM, is there a way to change the boot sequence? If no, how does Nutanix boot up the loaded image iso?

3 years ago

NandaAdventurer

asked in How It works

CVM with ESXi/Hyper-V

If we use the ESXi/Hyper-v as the Hypervisor, does the Satadom will be formatted(Removing AHV) and then install ESXi? What happens to CVM in this case? Any manual operation is required?

3 years ago

elihujVoyager

asked in How It works

Disabling Client Authentication via API

I'm having an issue disabling client authentication via REST API. Here is my code: [code]$disableauth = @{ value='false' } $disableauth = $disableauth | CovertTo-Json try { $r = Invoke-RestMethod -Method Post -Uri https://clusterip:9440/PrismGateway/services/rest/v2.0/authconfig/client_auth -Headers $head -ContentType $content -Body $disableauth } catch { $_.Exception.Message; } [/code] When I run this command, it gives me an error of "request aborted: could not create SSL/TLS secure channel". I have a similar call I use to enable authentication, which works without issue.

3 years ago

NandaAdventurer

asked in How It works

Acropolis Operating system

Please help me with the following: Where do the AOS sit? Is it inside the CVM or on the SATA DOM? Is AHV created when the AOS is installed or vice versa

3 years ago

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