Deployment Success

In order to check Nutanix AOS, AHV or 3rd Party Hypervisor Compatibility with certified hardware, you can visit the Nutanix portal and select "Compatibility Matrix". Home > Documentation > Compatibility MatrixYou can check compatibility for:Hardware model, for e.g. NX, HPE, Dell, Cisco UCS AOS Version Hypervisor Version (AHV, ESXi, Hyper-V, XEN)You can filter by hardware model, AOS version or Hypervisor Version.Visit Compatibility Matrix (Nutanix portal account required) to check for hardware compatibility with AOS and Hypervisors (AHV / ESXi / Hyper-V / XEN).From the same page, you can also check AHV Guest OS compatibility as well. 

Hi everybody. Is it possible to know if SATADOM is broken or has anomalies?Or the only way to know is to restart a node? thanks!

Hello all,05 months ago, I faced from some difficulties to perform P2V to AHV for UeFi servers : I performed P2V using VMware Converter to migrate to an ESXi server; and after I used “move” to migrate to AHV. While booting the VM, I saw a black screen and nothing else appeared on the screen.As I said above, it happened 05 months ago; At this time, Nutanix did not support migration of Uefi servers yet.Since the release of AOS5.11 and Move 3.3, Nutanix supports the migration of Uefi servers (As explained in the release notes).So I migrated AOS to the latest version (5.11.1) and used Move 3.3.1 to perform migrations of 03 servers that use Uefi.In spite of that, the VMs displays nothing while booting...even if I wait for several minutes, I get nothing.In PRISM, I switched the boot mode to BIOS and after to Uefi, but I got the same results.In vCenter, I switched the boot mode to BIOS before performing migration. After Migration (using Move 3.3.1), the results are the same. Could you help me

Hi, I'm trying to install a 3-node Lenovo HX3321 but I got this issue: Every node gets the following log: It keeps waiting for md arrays to resync but it no longer continues the process and fails. I'm trying to install AOS 5.10.6 and foundation 4.4.1 Do you have any idea how I could fix this issue? Regards,

Nutanix Move (Move) is a cross-hypervisor migration solution to migrate VMs with minimal downtime. Let’s say you have a range of Virtual Machines with a different operating system in your environment and now confused which Virtual Machines are supported by Nutanix Move for Migration. There are different types of Migration and the pre-requisites regarding the supported OS can change for different types. ESXi To AHV. ESXi to ESXi. AWS Migration. Hyper-V to AHV. Interested to know more Nutanix Move? Go through the  Move Guide Move Guide  Confused regarding Nutanix Move or have a query regarding the functionality? Drop a comment and let’s have a discussion.  Start a conversation in the Move Application Migration forum  

Hi, is there a way how to get VM/Host/Cluster/etc. statistics from API in bulk? We know about the /stats endpoints, but those only allow to get stats for single entity, so in case there are hundreds of VMs in cluster that would mean hundreds of separate requests to API. We don't really want to put lot of strain on the cluster just by polling stats. Our default polling interval is several minutes, so using projection=stats doesn't really work for us (as I believe it provides current value) and we'd need to know the stats for the time interval between our polls. Thanks so much for your time. Best regards,Marek

 Hi, can someone be kind enough to explain what is Downstroking? this effects my SSD config. It happened when I had configured 1x 1.92TB SSD and changed to 2x 960GB SSD (can’t), and forced me to configure to 2x 1.92TB SSD instead. TIA. 

Below are new knowledge base articles published on the week of October 27-November 2, 2019.KB 7837 - How to update expired licenses KB 8266 - Alert - A1037 - Node Forwarding Metadata Requests KB 8275 - Alert - A130161 - Protection Rule Conflict Occurred KB 8369 - AHV: Create Tenable Core with Nessus VM from OVA KB 8388 - Expected Inputs for Alerts Notify Creation on API v3 KB 8393 - CVM inaccessible via SSH after removing node or destroying cluster KB 8434 - Host Kernel panic due to BIOS setting change (CPU Configuration settings) KB 8439 - LSI Firmware Upgrade for Hyper-V 2012R2 KB 8441 - Snapshot Chain Height has exceeded the threshold limit KB 8445 - AHV: Ubuntu Cloud Image VM creation KB 8446 - Portable Foundation Failing "ERROR Exception in <ImagingStepInitIPMI(<NodeConfig(x.x.x.x) @af70>)" KB 8453 - Alert - A1044 - DiskBad KB 8454 - High utilization noticed on CVM loopback interface KB 8459 - [Karbon] Password with $ symbol breaks K8s cluster deployment KB 8460 - Alert-

Want to shift to an AHV cluster but worried about the migration of your UEFI boot enabled VMs. The latest version of Move 3.3.0 now supports migration of UEFI enabled VM. So what all you need if you want to migrate your virtual machines using Move AOS  version should be 5.11 or above Move version should be 3.3.0 or above  The UEFI VM should be supported by AHV   Please check the compatibility matrix for the UEFI Supported VM before proceeding.Compatibility  Matrix    Interested to know more about the technology?  Go through the guide Move User Guide    Start a conversation in the Move Application Migration forum

When I pull the VM details using powershell, the Guest OS for all of my VM is empty. I am using the correct syntax '$vm.guestOperatingSystem' to pull the information. All the other information like VMName, Container, PowerState, NetworkAdapters, etc... are coming except Guest OS and Description of VM. Even if I create a new Windows Server 2012 R2 VM, the Guest OS field shows nothing for new VM as well. I have 47 VMs currently on a Nutanix host but the Guest OS information is empty for all of them. Please let me know if anyone else is having this issue and how to resolve it. Details: ---------------------- Hypervisor: AHV

Below are the top knowledge base articles for the month of October 2019.KB 4141 - Alert - A1046 - PowerSupplyDown KB 1540 - What to do when /home partition or /home/nutanix directory is full KB 4905 - NCC Health Check: notifications_dropped_check KB 4188 - Alert - A1050, A1008 - IPMIError KB 4409 - LCM: (LifeCycle Manager) Troubleshooting Guide KB 1113 - HDD/SSD Troubleshooting KB 4116 - Alert - A1187, A1188 - ECCErrorsLast1Day, ECCErrorsLast10Days KB 4519 - NCC Health Check: check_ntp KB 2090 - AHV | Host and Guest Networking KB 7503 - G6, G7 platforms with BIOS 41.002 -DIMM Error handling and replacement policy KB 4158 - Alert - A1104 - PhysicalDiskBad KB 2608 - Cluster Health Checks Incorrectly Show Warnings and Failures KB 4273 - NCC Health Check: aged_third_party_backup_snapshot_check KB 3523 - How to create a Phoenix ISO or AHV ISO from a CVM or Foundation VM KB 4541 - Alert - MetadataDiskMountedCheck KB 1863 - NCC Health Check: sufficient_disk_space_check KB 3357 - NCC Health Ch

Would anyone have X-Ray Four Corners Microbenchmark results for the following scenarios:2-node Nutanix cluster, 1 GB uplinks 2-node Nutanix cluster, 10 GB uplinks 3-node Nutanix cluster, 1 GB uplinks 3-node Nutanix cluster, 10 GB uplinksI'm testing some scenarios against Cisco Hyperflex and HPE SimpliVity (which I currently have environments to test against), but don't have access to any Nutanix hardware.BTW...X-Ray is a GREAT product!

Regenerating security certificates is always a good security policy and should be strictly implemented in every mission-critical production infrastructure.In the case of Nutanix guest tools, the certificates are scheduled to expire every 3 years.After the certificates are expired, you will notice the NGT link to be false and an alert to be generated saying Guest Service is not reachable.So how do we regenerate the certificates in NGT?First, we get the VM id of the affected NGT VM using the command                  ncli ngt list We delete the VM entity from the ngt cli and recreate using VM id  Go to VM and restart the Guest Agent ServiceGo through the following KB to get the detailed information regarding the procedure and the commands involved.KB-8120 

Hey guys,I have uploaded some of ISO and disk image files including VirtIO to container via Prism Central and they all are marked as ACTIVE means that the upload process has completed successfully.But when I looked into the container to find the uploaded files via command line or WinSCP, all of them are being kept in container except for VirtIO iso file. Do you know how I can find it? Thanks and Regards. 

I have a user who is requesting that we change our VMWare Host Power Management Policy from Balanced to High Performance. Questions 1: Do Nutanix hosts support VMWare Power Management features?Question 2: We are migrating to all AHV early next year. Does Nutanix have a corresponding setting for VMWare Host Power Management Policies?

Hello,We plan to move some nutanix cluster to a new location and we already know that it will not be possible to keep the network vlan and IP setup for the installation.We found the document on how to change the CVM IP and you first advice is to keep the initial network if possible.So we should understood what are the argument pro and against regarding the IP reconfiguration process, can we have some performance issue?In some case we want to keep the data on the cluster and other don't take care of them. So what are the best choice to manage this different move.And if some of yours have already perform this kind of operation, could you share your feedback or advice on that.Thanks for your answers.Regards.David ALEXANDRE.

I have a Hyper-V VM that I want to migrate to our Nutanix AHV cluster.  This VM has a C Drive and 2 ISCSI mounted drives that are mounted within the VM through the Windows ISCSI Initiator.  Will Move migrate those 2 disks as well or do I need to plan to copy data after the migration has taken place?

Hi everyone, Is Nutanix Move 3.x is available for download in CE Edition ?

Sometimes, NCC (Nutanix Cluster Check) will alert for PSU down and a case is automatically created when a PSU down is detected.This can be a false positive alert or are transient errors (when relocating a node or some maintenance which requires a PSU down).However, a Power supply alert should never be taken lightly. One can always verify the physical status of Power supply by checking the LED indicators on the PSU unit itself, but in certain cases this may not be possible right away - due to the equipment location etc.  To ensure Power Supplies of a Block or Node are in optimal state, you can login to the physical host or execute a command from the CVM to check their status:From a AHV Host:[root@AHV-HOST~]# ipmitool sdr | grep -i psPS1 Status       | 0x01              | okPS2 Status       | 0x01              | okFrom a CVM on AHV (this will query all HOSTS in the cluster):nutanix@cvm$ hostssh "ipmitool sdr | grep -i ps"From a CVM on a ESXi Host:You can query all hosts PSU status:nutani

As we have a strict policy in our company to be always at the latest patches for all services, we are required to upgrade to latest version of VMware "ESXi 6.7 U3" which was released last month, we are already running 6.7 U2 now. we have already upgraded our vCenter to 6.7 U3 which we do not think it has any issues with Nutanix. But to upgrade ESXi itself we do not know about its compatibility, i know about the case of patching ESXi to a higher patch level than the Nutanix certified ones "which we are regularly doing", but for ESXi 6.7 U3 we are afraid of breaking something or being incompatible, and we do not know either if ESXi U's are considered as patches or different versions according to Nutanix.. I searched over Internet and this forum about anything related to 6.7 U3 compatibility but found nothing, at least if we have a road-map from Nutanix about planned compatible version we can wait till its release. Thanks

Nutanix reserves space on the SSD-tier of each CVM for its infrastructure. These files and directories are located in the /home folder that you see when you log in to a CVM. The size of the /home folder is capped at 40 GB so that the majority of the space on SSD is available for user data.Due to the limited size of the /home partition, it is possible for it to run low on free space and trigger Prism Alerts, NCC Health Check failures or warnings, or Pre-Upgrade Check failures. These guardrails exist to prevent /home from becoming completely full, as this causes data processing services like Stargate to become unresponsive. Clusters with multiple CVMs having 100% full /home partition will often result in downtime for user VMs.The Scavenger service running on each CVM is responsible for the automated clean-up of old logs in /home and improvements to its scope were made in AOS 5.5.9, 5.10.1, and later releases. For customers running earlier AOS releases, or in special circumstances, it may

HI Trying to get a definative answere to what I think should be a simple question. Can I map a iSCSI drive to a Virtual Server by attaching a iSCSI Storage array ( Server has a Drive on the nutanix cluster and a second drive mapped to the exsternal array ( NTFS partitions on the MD iSCSI array ( NO VM's running on the array ) just mapping this as a drive Would love to get a formal response from Nutanix if this causes issues within a cluster or will there only be issues with the specific VM's the mappings are assigned to ?

High-Availability(HA) is a life-saver feature which minimises downtime and can save the production environment. What exactly is HA in AHV?  AHV VM High Availability (HA) is a feature built to ensure VM availability in the event of a host or block outage. In the event of a host failure, the VMs previously running on that host will be restarted on other healthy nodes throughout the cluster.  Want to know more about AHV HA? Give the following KB article a read!4636   So, do we ever want to disable HA for few VMs? Yes, there could be situations and architecture constraints which might make us disable HA for a few critical VMs.The reason, you ask? (*voice of Yoda*) One possible situation could be licencing constraints of few application workloads which are tied to host CPU.   So what happens when you disable AHV HA for a particular VM?  In case of a node failure, the VM will not be migrated and started on another Node.    How can we achieve this?    Read more about disabling HA and Agent-V

Nutanix offers a monitoring & alerting utility, NCC - Nutanix Cluster check, which comes    pre-installed on every CVM.Nutanix Cluster Check is a powerful framework which includes several plugins to monitor & alert on different hardware and software components. It is installed on every CVM across a single cluster on all nodes.It comes with almost all Nutanix products, such as Prism Central, Files etc. NCC will include the relevant checks for these products, enabling Nutanix administrators to keep on top of any software, configuration issues. Following are some of the important Hardware (Physical Components) checks and alerting offered byNCC:a) Periodic Disk checksb) Periodic BIOS / BMC Firmware checks (Versions / Upgrades required)c) Boot Devices Monitoring (Sata DOM or M.2)d) SSD and HDD wear and tear checkse) BIOS, BMC checks to ensure all hardware components are current and stablef) Network Interface card checksg) IPMI / Out of band management interface checksh) Power Supply

We all know that the data never shrinks, only expands. As of AOS 5.0, hot expand of VM disks is supported. All you have to do is expand the volume group via Prism UI or CLI (either aCLI or nCLI - chose your preferred method) and then extend the disk in the disk manager within guest OS itself.aCLI:nutanix@cvm$ acli vg.disk_update <Volume Group name> <disk index> new_size=<size of disk>nCLI:nutanix@cvm$ ncli volume-group update-disk uuid=<Volume Group UUID> index=<disk index> size-mib=<Size of disk in MiB>For detailed explanation and caveats please refer to:KB-3638 Expand volume group disk size on Windows OSKB-5832 AHV | How to expand a Windows VM disk