How It works

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

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Albert Mendoza
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Albert Mendoza
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New KB Articles Published on Week Ending July 22, 2023

Below are new knowledge base articles published on the week of July 16-22, 2023.KB 14262 - Alert - A200614 - FNSVersionMisMatch KB 14552 - P...
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Albert Mendoza
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Albert Mendoza
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Top KB Articles for June 2023

Below are the top knowledge base articles for the month of June 2023.KB 1540 - AOS Only - What to do when /home partition or /home/nutanix d...
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Alona
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Alona
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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...
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1300 Topics

Albert Mendoza
Nutanix Employee
Albert MendozaNutanix Employee
posted in How It works

Top KB Articles for January 2020

Below are the top knowledge base articles for the month of January 2020. KB 4116 - Alert - A1187, A1188 - ECCErrorsLast1Day, ECCErrorsLast10Days KB 4141 - Alert - A1046 - PowerSupplyDown KB 7503 - G6, G7 platforms with BIOS 41.002 and higher - DIMM Error handling and replacement policy KB 1540 - What to do when /home partition or /home/nutanix directory is full KB 4541 - Alert - A101055 - MetadataDiskMountedCheck KB 1113 - HDD/SSD Troubleshooting KB 4158 - Alert - A1104 - PhysicalDiskBad KB 4409 - LCM: (LifeCycle Manager) Troubleshooting Guide KB 2090 - AHV | Host and Guest Networking KB 4188 - Alert - A1050, A1008 - IPMIError KB 1507 - Alert IPMI IP address on Controller VM {CVM-IP} was updated to ... without following the Nutanix IP Reconfiguration procedure, can be misleading KB 4519 - NCC Health Check: check_ntp KB 4494 - NCC Health Check: metadata_mounted_check KB 4705 - Alert - ExternalClientAccessCheck KB 2473 - NCC Health Check: cvm_memory_usage_check KB 8514 - NCC Health Check

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Albert Mendoza
Nutanix Employee
3 years ago
Albert Mendoza
Nutanix Employee
Albert MendozaNutanix Employee
posted in How It works

New KB Articles Published on Week Ending February 1, 2020

Below are new knowledge base articles published on the week of January 26-February 1, 2020. KB 8861 - Calm - Can't edit/delete task library when the associated project gets deleted KB 8891 - Lenovo XCC/IMM upgrade via LCM : "Failure in executing cmd:ifconfig usb0 169.254.95.120" KB 8896 - Multiple disks marked offline on node running PH16 firmware Note: You may need to log in to the Support Portal to view some of these articles.

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Albert Mendoza
Nutanix Employee
3 years ago
Albert Mendoza
Nutanix Employee
Albert MendozaNutanix Employee
posted in How It works

New KB Articles Published on Week Ending January 11, 2019

Below are new knowledge base articles published on the week of January 5-11, 2019. KB 8725 - AHV | Cluster expansion or host boot disk replacement may fail on AOS 5.16 KB 8727 - AHV | LCM does not offer new AHV versions after upgrading AOS to 5.16 on cluster with GPU cards KB 8732 - AHV | 1-Click hypervisor upgrade may fail on mixed cluster running AOS 5.16 KB 8790 - ESXi - Supporting 6.0 series on G7 KB 8792 - NCC checks: same_hypervisor_version_check, duplicate_cvm_ip_check, same_timezone_check giving ERR KB 8793 - Firmware update for DX+DL mix cluster KB 8796 - AHV | Windows installation fails with "No signed device drivers were found" error KB 8799 - Syslog setup for Prism fails with port error KB 8806 - AHV | Windows Server OS may crash when hot-adding vCPU KB 8815 - [Karbon] Deployment fails on etcd volume creation Note: You may need to log in to the Support Portal to view some of these articles.

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Albert Mendoza
Nutanix Employee
3 years ago
Albert Mendoza
Nutanix Employee
Albert MendozaNutanix Employee
posted in How It works

New KB Articles Published on Week Ending January 18, 2019

Below are new knowledge base articles published on the week of January 12-18, 2019. KB 8801 - How to change between TTY (virtual terminal) on Linux guest VMs when using a console launched from Prism Element KB 8804 - Xi Beam Issue KB 8811 - AHV | ISO image file with uppercase extension "ISO", detected as "DISK" during image creation KB 8814 - AHV | How to create VM templates KB 8832 - AHV | Generic troubleshooting scenarios KB 8835 - AHV | How to add or remove NICs from bridges KB 8838 - AHV | How to upgrade using LCM Dark site bundle KB 8841 - Nutanix Files - UID and GID differences for Multiprotocol shares KB 8847 - How to Change Background of Production Instances Note: You may need to log in to the Support Portal to view some of these articles.

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Albert Mendoza
Nutanix Employee
3 years ago
Albert Mendoza
Nutanix Employee
Albert MendozaNutanix Employee
posted in How It works

New KB Articles Published on Week Ending January 25, 2019

Below are new knowledge base articles published on the week of January 19-25, 2019. KB 8805 - AHV | How to change hypervisor identity KB 8848 - Listing VMs via CLI for importing into Excel KB 8853 - ESXi ixgben technical details and known issues KB 8858 - AHV | Hypervisor 1-Click upgrade troubleshooting scenarios Note: You may need to log in to the Support Portal to view some of the articles.

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Albert Mendoza
Nutanix Employee
3 years ago
Albert Mendoza
Nutanix Employee
Albert MendozaNutanix Employee
posted in How It works

New KB Articles Published on Week Ending January 4, 2019

Below are new knowledge base articles published on the week of December 29, 2019-January 4, 2020. KB 8463 - HDD/SSD failure can cause CVM reboot KB 8464 - LCM - Why VMs are detected as non-migratable during update operation ? KB 8778 - AHV | Bitlocker cannot be enabled on Windows Server 2019 in VM running on AHV KB 8779 - Check the Foundation version installed via CLI Note: You may need to log in to the Support Portal to view some of these articles.

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Albert Mendoza
Nutanix Employee
3 years ago
A
AScoyneAdventurer
asked in How It works

Compute only node requirements

We are thinking of adding two compute only nodes to our cluster for Oracle.  What are the hardware requirements for running CO nodes?  Does the cluster the CO’s are joined to have to be all flash or do you have to “pin” the VM’s running on the CO to All Flash in the HC storage.   We currently have 4 HC nodes running a mix of SSD and HDD. 

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A
3 years ago
H
hienleOutrider
asked in How It works

[Hyper-V] Cannot access Nutanix container by using SMB

Hi, I am having a Hyper-V cluster managed by a SCVMM with Kerberos enabled. I already did: Join the cluster and hosts to domain Create the MSFC and join to domain Add hosts and Nutanix container share to SCVMM Enable Kerberos and configure Delegation But, from each host, I currently cannot: Access to Nutanix container via SMB path (\\VIP\container). When I type the SMB path into file explorer, it requires me to login. I tried to use the AD account used to enable Kerberos on Prism as well as AD admin account but could not make it Create the VM (I could create the VM by using SCVMM instead). “Failed to create the virtual hard disk” error window appears every time  I try to create Is this the normal behavior of the whole system? As I am quite new to Hyper-V, I am getting lost in finding the solution to solve it

4
H
3 years ago
HITESH0801
Nutanix Employee
HITESH0801Nutanix Employee
posted in How It works

Crash-Consistent and Application-Consistent Snapshots

Confused regarding crash-consistent snapshot and application-consistent snapshot? Crash-Consistent SnapshotVM snapshots are by default crash-consistent, which means that the vDisks captured are consistent with a single point in time. The snapshot represents the on-disk data as if the VM crashed or the power cord was pulled from the server—it doesn’t include anything that was in memory when the snapshot was taken. Today, most applications can recover well from crash-consistent snapshots. Application-Consistent SnapshotApplication-consistent snapshots capture the same data as crash-consistent snapshots, with the addition of all data in memory and all transactions in process. Because of their extra content, application-consistent snapshots are the most involved and take the longest to perform.While most organizations find crash-consistent snapshots to be sufficient, Nutanix also supports application-consistent snapshots. The Nutanix application-consistent snapshot uses Nutanix Volume Shad

1
L
3 years ago
Mr. N
Mr. NVoyager
asked in How It works

Cable Managers for Racked & Stacked installed Nutanix servers

Dear Sir/ Madam, I am working on a further Nutanix project and I have installed 8 x NX8155 servers. Each server has 6 x 10g TwinX cables and 2 x CAT6 copper connections. I am again trying to find any suitable cable manager due to the amount of physical cabling for each device. Can someone please advise if there are any cable managers that Nutanix is aware of or via a third party as I am struggling to locate any. Thanks in advance. Simon.

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Mr. N
3 years ago
K
kfr-Adventurer
asked in How It works

Can /home/install/phx_iso be deleted

The cluster is up and running and we are getting error “Disk 'root' space usage high on host” Can /home/install/phx_iso be deleted?

1
Siddhalingesh
Nutanix Employee
3 years ago
VMwarer
VMwarerAdventurer
asked in How It works

Getting started

Hello all,   Hope you’re all doing great. Kindly if you can guide me where to start with Nutanix as I don’t know anything and willing to know everything related .. so I am a VMware guy who is willing to understand the NU platform and I hope I am writing the right post in the right place      Thanks in Advance, Cheers.

4
aluciani
3 years ago
M
Nutanix Employee
MutahirNutanix Employee
posted in How It works

AHV - vDISK - Part - 1 : where are they stored?

 In some scenarios, we might have a need to find the disks associated with a virtual machine hosted on a Nutanix AHV Cluster. Nutanix offers a distributed storage fabric, which forms a large storage pool across “N” number of nodes. we then create containers for different types of workloads or we can easily use a single container as well.Virtual Machines are created via Prism Management and all vDisks associated with the VMs are hosted on the distributed storage pool. On a Nutanix AOS Cluster, Acropolis service runs across the cluster to manage virtual machine operations and configurations. As both Data & MetaData is distributed across the cluster, we can use the “Acropolis” service on almost any CVM to retrieve virtual machine information running on any node.In order to interact with the Acropolis service, Nutanix offers “acli”. a powerful set of commands for virtual machine operations across your Nutanix cluster.acli offers tab-completion once inside the acli shell or we can execu

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M
Nutanix Employee
3 years ago
dlira
dliraTrailblazer
posted in How It works

[NIACTOOL] Nutanix invenotry acropolis collector tool ( AHV / ESXi )

Hi, i want to share NIACtool v2.5 Beta. It can be run on windows operating systems, it is possible to obtain a complete infrastructure report detailing the virtual machines created. Supports ESXi and AHV hypervisors. The result is a fully modifiable Excel document. [url=https://github.com/dlira2]https://github.com/dlira2[/url]

5
N
3 years ago
Albert Mendoza
Nutanix Employee
Albert MendozaNutanix Employee
posted in How It works

Top KB Articles for December 2019

Below are the top knowledge base articles for the month of December 2019. KB 4141 - Alert - A1046 - PowerSupplyDown KB 4116 - Alert - A1187, A1188 - ECCErrorsLast1Day, ECCErrorsLast10Days KB 7503 - G6, G7 platforms with BIOS 41.002 -DIMM Error handling and replacement policy KB 1540 - What to do when /home partition or /home/nutanix directory is full KB 4541 - Alert - A101055 - MetadataDiskMountedCheck KB 4494 - NCC Health Check: metadata_mounted_check KB 1113 - HDD/SSD Troubleshooting KB 4158 - Alert - A1104 - PhysicalDiskBad KB 4409 - LCM: (LifeCycle Manager) Troubleshooting Guide KB 2090 - AHV | Host and Guest Networking KB 1888 - NCC Health Check: storage_container_mount_check KB 4188 - Alert - A1050, A1008 - IPMIError KB 4519 - NCC Health Check: check_ntp KB 1507 - Alert IPMI IP address on Controller VM was updated to ... without following the Nutanix IP Reconfiguration procedure, can be misleading KB 3357 - NCC Health Check: ipmi_sel_cecc_check KB 8514 - NCC Health Check: fs_inco

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Albert Mendoza
Nutanix Employee
3 years ago
W
wautTrailblazer
asked in How It works

Witness - multiple two node clusters

Hi All,   Is it possible for a Witness VM to monitor multiple two nodes clusters?   I can’t find any answer on this question.   Thanks in advance.

2
W
3 years ago
M
Nutanix Employee
MutahirNutanix Employee
posted in How It works

Nutanix AOS - ESXi - Intel 82599 and X540 ixgbe Driver upgrade

Nutanix AOS supports multiple hypervisors and supports a variety of hardware components. Nutanix qualifies hardware components to ensure optimal performance and minimal disruption.  Nutanix AOS with ESXi supports Intel’s 10Gb (ixgbe) Ethernet Network Adapters. It is important to ensure that all network related components are working optimally to ensure reliable cluster operations.  If you are running Nutanix AOS with ESXi 5.5 or 6.x and have the following Intel Network Cards installed in your host systems: Intel Ethernet Controllers 82599 and x540 You might receive an NCC alert, pointing to an upgrade required for ixgbe nics or an older firmware detected. This is to ensure optimal networking performance amongst the hosts and to avoid any errors due to NIC driver issues. You can upgrade the firmware for the above Intel NICs (ixgbe) with the following Nutanix KB: Updating the ixgbe Driver Version to the 4.5.1 Release The above KB outlines all the pre and post steps required for a smooth

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M
Nutanix Employee
3 years ago
K
Nutanix Employee
kenNutanix Employee
posted in How It works

Nutanix Support is Awesome

Many customers buy #hci technology from the usual suspects (#nutanix, #vmware, #dell, etc.) without any consideration to what happens when things break. Support becomes REALLY important when your systems are not operating as expected.  Thankfully, they don't have to worry if they bought Nutanix. Hear what #nutanix customers say about our award winning #nps90 #support.    

0
K
Nutanix Employee
3 years ago
Albert Mendoza
Nutanix Employee
Albert MendozaNutanix Employee
posted in How It works

New KB Articles Published on Week Ending December 28, 2019

Below are new knowledge base articles published on the week of December 22-28, 2019. KB 8755 - CVM degraded on Dell XC 14G hardware with BIOS older than 2.2.11 due to undetected faulty DIMM KB 8762 - Prism home page shows "loading" when browser has adblock extension installed KB 8766 - Pfsense Vm's remain master after failover on AHV hosts KB 8773 - ESXi does not display CDP information on Intel NICs Note: You may need to log in to the Support Portal to view some of these articles.

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Albert Mendoza
Nutanix Employee
3 years ago
J
jitendraAdventurer
asked in How It works

DC DR replication using Protection Domain

  I have AHV cluster at both DC & DR, which has number of VMs being protected with Protection Domain feature. These VMs are being replicated from DC to DR in scheduled manner. Now as a part of DR drill, I need to run these production VMs from DR for period of time and then again make it functional from DC once drill is over. I am concerned over how the delta changes made during drill with VMs at DR will be again replicated back to DC as Protection Domain replication is uni directional (DC to DR) ? Any recommendations ?

1
M
Nutanix Employee
3 years ago
I
ihabibullinVoyager
asked in How It works

Deduplication function works inadequately

[code]Hello. My English is bad, so I use Google Translate and in advance I ask you to treat with understanding the semantic distortion. The problem is that we have deployed the ion electronic document turnover system (DV) on our Nutanix for testing. To test performance DV, they began to fill DV with a large number of copies of several files: File Quantity Size file1.pdf 1699713 314KB (321,942 bytes) file2.png 998001 203KB (208,689 bytes) file3.pdf 1138988 389KB (398 354 bytes) file4.pdf 1007002 504KB (516,306 bytes) file5.tiff 2271889 571KB (584,872 bytes) The mechanism of operation is as follows: the script records the file across the DV database. In this case, the database creates a record and writes the file to the SMB shared folder on another server. The server with the SMB shared folder is also implemented on Nutanix as a virtual machine. Total uploaded 2.6TiB with the specified set of files, and the deduplication ratio on the 1: 1 disk saved 12.8GiB. In my opinion, this is th

1
Alona
Nutanix Employee
3 years ago
Albert Mendoza
Nutanix Employee
Albert MendozaNutanix Employee
posted in How It works

New KB Articles Published on Week Ending December 21, 2019

Below are new knowledge base articles published on the week of December 15-21, 2019. KB 8204 - Alert - A1061 - vDisk Block Map Usage High Critical KB 8284 - Alert - A130151 - Two node cluster state change to KB 8640 - Prism one click upgrade : Preupgrade/Upgrade options not available after manually uploading metadata json and upgrade bundle KB 8743 - Alerts relating to IPMI sensors report that the component cannot be monitored or be permanently damaged. KB 8747 - Anonymous IPMI user Note: You may need to log in to the Support Portal to view some of these articles.

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Albert Mendoza
Nutanix Employee
3 years ago
T
tbailey1Adventurer
asked in How It works

question about allssh command

In scripts we use for some ESXi hypervisor configurations we utilize “allssh”.  The problem I’m running in to, though, is I must run each allssh command individually rather than using a script to run multiple allssh commands.  The first line will kick off and before it has a chance to complete the second will kick off.  For example, here’s where we configure DNS on the hypervisor through a CVM: allssh ssh root@192.168.5.1 esxcli network ip dns server add --server=10.1.1.1 allssh ssh root@192.168.5.1 esxcli network ip dns server remove --server=8.8.8.8 allssh ssh root@192.168.5.1 esxcli network ip dns server add --server=10.1.1.2 The first will kick off then the second goes prior to the first completing.  The script then gets confused and stops while still connected to one of the ESXi hosts.  Does anyone know of a way to initiate subsequent allssh commands only after the prior one running has completed?  Although not very clean, should I put a sleep command in between each?

2
perkinsa
Nutanix Employee
3 years ago
R
readuni1Explorer
asked in How It works

AFS/Files Powershell Get-NTNXFsShareStat

Hi I can use the command Get-NTNXAllFileServerShares to get a list of all the shares on a file server but how do I use Get-NTNXFsShareStat to get the usage of the share? I assume I need to user New-NTNXObject to build a list metrics but I dont know what metrics are available

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Alona
Nutanix Employee
3 years ago
I
ilkulikVoyager
asked in How It works

SSD usage

Hello All, Does any one know how to see a splitt of what is used by a VM in terms of storage SSD/HDD? Ideally I what to check how many data of a VM is located on SSD tier at the certain point of time and average? Regards, Ilya

1
HITESH0801
Nutanix Employee
3 years ago

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