Deployment Success

Hi community, I have some Qlogic 10G/25G NIC cards in my cluster which as I understand are not “supported” however seem to be detected correctly to some extent. Manage_ovs show-interfaces displays the output below which leads me to belive that the driver is loaded. However, currently those ports are connected to a 10G switch and so the speed and the operational status are not correctly working. Is there a way to set these by hand?  manage_ovs show_interfaces    name  mode  link speedenp5s0f0 25000 False  Noneenp5s0f1 25000 False  None    eth0  1000 False  None    eth1  1000 False  None    eth2  1000 False  None    eth3  1000 False  None    eth4  1000 False  None    eth5  1000 False  None    eth6  1000 False  None    eth7  1000  True  1000 When I add those cards to a vritual bridge I get the error message below. manage_ovs --bridge_name br1 --bond_name bond1 --interfaces 25g update_uplinks2021-03-31 18:05:50,402Z WARNING manage_ovs:437 Interface enp5s0f1 does not have link state2021-03-

Hi folks,Can I convert HC node to CO node? if yes, how?

How do I check hot and cold data by virtual machine? I'm going to migrate the virtual machines of the existing nodes to the node that I'm going to buy new ones. So, I'd like to check the hot and cold data of the virtual machines, respectively.

Below are the top knowledge base articles for the month of March 2021.KB 7503 - NX Hardware [Memory] – G6, G7 platforms - DIMM Error handling and replacement policy KB 4141 - Alert - A1046 - PowerSupplyDown KB 1540 - What to do when /home partition or /home/nutanix directory on a Controller VM is full KB 1113 - HDD/SSD Troubleshooting KB 4409 - LCM: (Life Cycle Manager) Troubleshooting Guide KB 9937 - Alert ID 111066 - Failed to send alert emails KB 4158 - Alert - A1104 - PhysicalDiskBad KB 6945 - How Upgrades Work at Nutanix KB 2090 - AHV host networking KB 2473 - NCC Health Check: cvm_memory_usage_check KB 3784 - Alert - A1030 - StargateTemporarilyDown KB 4519 - NCC Health Check: check_ntp KB 5582 - NCC Health Check: idf_db_to_db_sync_heartbeat_status_check KB 3741 - Nutanix Guest Tools Troubleshooting Guide KB 1863 - NCC Health Check: sufficient_disk_space_check KB 7386 - NCC Health Check: power_supply_check KB 6153 - NCC Health Check: default_password_check and pc_default_password_

Good morning All   I have a bit of an NGT issue, the Prism Central alerts me to say some VMs need a NGT upgrade, when I go to upgrade them I see the message “NGT can only be upgraded on 0/1 VMs which have the available upgrade of NGT”   Review and confirm buttons are greyed out so I cannot continue - what does the message mean and what do I do to get it to work?   Many thanks   Eric

We have 3 nodes with 2x960GB SSD and 4x4TB HDD.We need to expand storage (and storage only as it is going to be used to store cold data - we do not need additional processing power or RAM)Question 1: We simply added two 12TB HDDs to each node. Now each node has 2x960GB SSD, 4x4TB HDDs, 2x12TB HDDs. Everything is working fine, but we were told that this is not recommended. What is the problem with this configurationQuestion 2: Assuming the configuration in Q1 is not recommended and we want to end up with each node having one type of HDDs. We were told that we can upgrade the existing 4TB HDDs with 12TB drives. What the right procedure would be:  a) Mark one 4TB drive for removal, remove it, insert 12TB drive in place of removed 4TB drive. Repeat 4 times for a node. Resulting configuration - 6x12TB HDDs per node  b) Add two more 12TB drives first, then mark for removal and remove four 4TB drives (one by one). Resulting configuration - 4x12TB HDDs per node (preferred configuration by us)T

Looking at the site below, I understand that ESXi 7.0 is supported. But I'm not sure if vCenter 7.0 is supported.https://portal.nutanix.com/page/documents/compatibility-matrixIs it a problem to use vCenter 7.0 ?Also, where can I find out which vCenter versions are supported?

I am trying to move a VM from EXSI to AHV. When I try the move I get the error “VMTools is not running.” any suggestions?

Hardware failures are a part of any datacenter lifecycle. The Nutanix architecture was designed with this inevitability in mind. A cluster can tolerate one or two failures (depending on the replication factor of the cluster or container) of a variety of hardware components while still running guest VMs and responding to commands through the management console. Many of these failures also trigger an alert through that same management console in order to give the administrator a chance to respond to the situation.Nutanix provides the ability to tolerate rack failures for extended data availability, in addition to drive, node, block, and network link failure.Block fault tolerance lets a Nutanix cluster make redundant copies of data and metadata and place the copies on nodes in different blocks.A block is a rack-mountable enclosure that contains one to four Nutanix nodes. All nodes in a block share power supplies, front control panels (ears), backplane, and fans.Nutanix offers block fault

Failures are part of everything and Nutanix Clusters is not immune to it. But how we plan for failures determines the versatility of the product or a person for that matter!!Nutanix categorizes the type of failures into availability domains essentially based on type of failure. Nutanix provides the ability to tolerate rack failure for extended data availability, in addition to drive, node, block and network link failure. Node FailureA Nutanix Node comprises Physical host and a controller VM. Both these components can fail without any impact to the Nutanix cluster.CVM failureWhen a CVM fails, an alert is generated in Prism and another CVM redirects the storage path on the related host to another CVM. Read and writes will occur over the 10GbE network until the CVM comes back online.It is business as usual for the end customer with maybe a slight performance decrease.Controller VM FailurePhysical Host failureIf a node fails, all HA-protected VMs can be automatically restarted on other nod

Hello, I tried to change the Prism admin password today, but the admin account keep locked automatically. So every time I have to reset the admin account from a CVM, but it gets locked after 5 minutes.  

Application monitoring provides visibility into integrated applications by collecting application metrics using Nutanix and third-party collectors, providing a single pane of glass for both application and infrastructure data, correlating application instances with virtual infrastructure and providing deep insights into applications performance metrics.Application monitoring provides visibility into the following applications Microsoft SQL server VMware vCenter Server The monitoring integrations dashboard allows you to view information about select applications, such as SQL Server or vCenter instances, running in the cluster.To access the monitoring integrations dashboard, select Operations -> Integrations from the entities menu. The monitoring integrations dashboard allows you to view the summary information about application instances and access detailed information about each instance.You can filter the list by opening the filter pane to select one or more of the filter options

Hi folks, In VMware, we need to enable EVC to be able to do vMotion between diff processors, what about AHV? what should be done or is it working smoothly?

Below are new knowledge base articles published on the week of March 21-27, 2021.KB 10516 - [ Karbon ] PE cluster is showing alerts for VGs used by the Kubernetes cluster(s) KB 10651 - NCC Health Check: metering_rest_connection_check KB 10768 - A number of VMs may be missing from the list when monitoring cluster using SNMP protocol KB 10813 - "UnicodeDecodeError" and "UnicodeEncodeError" for VM operation KB 10936 - Duplicate scheduled reports triggered after Daylight Savings Time (DST) change KB 10946 - Identifying the source IP generating TCP Reset packets in a network path KB 10953 - Using Nutanix Objects Self-Signed Certificate with Veritas Enterprise Vault KB 10954 - SMCIPMITool commands output "The node product key needs to be activated for this device" on BMC 7.10 KB 10967 - Cloning a Secure boot enabled VM on AHV with the "Custom Script" option enabled fails with "q35 machine type does not support ide bus type" error KB 10976 - Cluster instability after upgrading both primary an

HiI have 4 Nodes cluster with the detailed network belowVLAN1000 : IPMI Usage (192.168.255.x/24)VLAN20 : GuestVM & Internal Cluster Network (192.168.2.x/24)I was using eth3 and eth4 in bond br0-up in bridge br0 (vs0) And then i’m adding a new vlan (VLAN30 : 192.168.3.x/24) for separating GuestVM network from Internal ClusterI am using eth0 and eth1 in another bond (bond br1-up in bridge br1) connected to my switchport mode access VLAN30. The problem is, when i created VM using that network (vs1), my guest vm cant ping anywhere even the gateway of its subnet. But when i test my laptop that connected to the switchport mode access VLAN30, my laptop can ping the Gateway.Here i give the detail of my topology and uplinks configurationTopologyUplinks of each hostsvs1 configuration Perhaps someone can enlight me maybe i missed something here when i’m trying to configure this? Thank you.

NVIDIA GPUs primarily have two modes of operation: Compute and Graphics.Compute Mode: the GPU operates within a configuration that is optimized for high-performance computing applications.Graphics Mode: the GPU is optimized for graphics processing and can subsequently be assigned into vGPU profiles for virtual machines (vGPU profiles cannot be used while in compute mode).Various NVIDIA GPUs are provided with default configurations for either of these modes and, sometimes, it is necessary to change the mode to better suit the corresponding workload of the host.In previous models of GPUs, it has been necessary to temporarily boot an AHV host into a NVIDIA-provided Linux ISO and invoke a “gpumodeswich” command with options to apply this change. With newer models of GPU, a command can be found natively within the AHV host filesystem after the corresponding GRID driver has been installed.You can find more information regarding this command via the “Nvidia: Unable to Assign vGPUs to guests w

We have numerous clusters and each have their own hardware platform (and in a couple of cases, we’ve even mixed hardware models within the same cluster). Our current Nutanix footprint;VENDOR         MODELS        NODE COUNTSuper Micro    NX-8155-G7    12Super Micro    NX-1175S-G6    7Super Micro    NX-3060-G7    6Dell                 XC630-10         14Super Micro    NX-8035-G7    12Super Micro    NX-8035-G6    36Is there a preferred or recommended solution for hardware monitoring and alerting? For instance; Dell OpenManage (DOM) or Supermicro Server Manager (SSM). I don’t readily know if either would support the others solution (like DOM supporting IPMIs or SSM supporting iDracs) Or, would Prism Central (and Prism Element) be sufficient for hardware monitoring and alerting?We currently have and are using DOM but not for the SuperMicro hardware so I’m wondering if I’m potentially missing out on a better solution or not.

Hi!I am wondering, if there is a quick way to restore from a failed ESXi upgrade.Imaging you have fired up a ONE-Klick-Upgrade of the ESXi image, and (as see with ESXi7.0U1GA) the hypervisor is not boot up again.At ESXi level i can backup config and restore config after a plane install. But what about CVM?Setting up the whole node with foundation is a nightmare, if the node is already installed in an customer environment, and can’t be discovered.The best way would be, that the foundation within a cluster could deploy a CVM to a plain ESXi and rebuild the cluster-node from the information stored in the cluster...

HI Team under Prism we’ve created a few VM’s (windows), one of VM is our File Server, current configuration is IDE disk 1TB, (60GB OS, 900GB shared folders). probably is better to create one virtual disk 60GB on OS and the second virtual disk as storage (1TB) or more.question is how to shrink current IDE disk from 1TB → 60GB, and if IDE should be change on SCSI disk, what Nutanix recommended?instruction to shrink disk IDE->SCSIthanks Dariusz

I am getting the above error message when I try to upload my first OVA. Is there something that I need to do in PE to enable this feature

Nutanix Era is a suite of software which automates and simplifies database management, bringing one-click simplicity and invisible operations to database provisioning and lifecycle management (LCM). Starting with Copy Data Management (CDM) as its first offering, Nutanix Era enables database admins to provision, clone, refresh and restore their databases to any point in time. Through a rich, but simple to use, UI and CLI, they can restore to the latest application-consistent transactionEra enables you to easily provision database environments (either production or otherwise) on your Nutanix clusters. Also, you can only provision the database server VM that hosts a database, so that you can later create or clone databases on that database server.Some of the components include Database engines: Custom software images that are tailor-made to enterprise needs. Database profiles: Customizable database profiles for software, compute, networking, and database parameters. Database recovery

Using the Nutanix CMDlets it turns out that out of the 7 protection domains in my cluster, one has only 1 Consistency Group assigned to it, which protects over 1200 files. (Almost 4000). How can I create a few CGs within a given PD so I don’t get the threshold alert in the future?

Below are new knowledge base articles published on the week of March 14-20, 2021.KB 9365 - Alert - A802002 - AncDnsUnresolvable KB 10693 - Alert - A130334 - NGT CD-ROM not Unmounted on the VM KB 10694 - Alert - A130192 - Conflicting NGT policies KB 10746 - AHV Guest VM Boot Order Being Modified to Default by Prism After Any Config Save KB 10847 - LCM Pre-check: "test_ncc_checks" KB 10857 - UVMs with VLAN tag may disconnect from network when uplink bond is tagged with VLAN on AHV host KB 10874 - VM migration tasks stuck and libvirt in inconsistent state on clusters running AHV 20170830.x KB 10897 - Xi Frame - Enterprise profile disks growing on every reboot (not extending their partition) KB 10912 - Nutanix Files: Managing Files-At-Root on NFS distributed shares KB 10944 - Alert - A130103 - NGT Mount failed KB 10957 - AHV networking interfaces are renamed after AHV upgrade to 20201105.1082 or later if RDMA NICs are presentNote: You may need to log in to the Support Portal to view some o

 A single-node cluster is configured like a regular (three-node or more) cluster in many ways, but here are some of the conditions. Nutanix offers the option of a single-node cluster for ROBO implementations and other situations that require a lower cost option and accept lowered resiliency protections. Single-node clusters are supported only on a selected set of hardware models. Refer the following article for details single-node-supported-hardwares Do not exceed a maximum of 1000 IOPS Do not exceed a maximum of 5 guest VMs . To protect the guest VMs from a scenario of node failure, nutanix recommends to configure backups. These are unlike single-node replication targets which are for replication and backup purposes. LCM is supported for software updates, but not firmware updates.  There is no built-in resiliency for Prism Central on a single-node cluster. Do not create a Prism Central instance (VM) in the single node cluster. Async DR is supported for 6 hour RPO only Use

From the Nutanix Bible: “when a Curator full scan runs, it will find eligible extent groups which are available to become encoded. Eligible extent groups must be "write-cold" meaning they haven't been written to for awhile”.I have 2 questions:if I have some data just written in the oplog, how long takes to copy those datas in the extent store, assuming that there is not any read of it?Once the data are in the extent store, how long it takes before the erasure coding is applied to the datas?