Deployment Success

  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 ?

Hello, I'm trying to create a File Server. I did this in Prism Element cluster. I have a problem when I had to select the Client Network PortGroup All my dvportgroup are not visible. I can only see the dvportgroup attached to a dvswitch with uplinks assigned. In my vCenter we have a dvswitch with no uplinks assigned. This dvswitch is used by my network sdn solution which transport the client network. Do you see a solution ? thanks

Stuck with this error. Please help out.

I am trying to make changes to the "extra_flags" option on a VM. I have 2 issues. Is there a way to remove and "extra_flag" added to a VM? Also is there a way to specify the CPU model. I see there is a way to do it in KVM, but not sure how it works in Nutanix. I am trying to do nested virtualization, but for some reason nested VMs don't boot due to the xsave/xsaveopt feature it seems. The host is quad SandyBridge CPUs, but it worked when I specified the CPU model as Westmere. Anyone else have this issue or have an idea of how to specify the features passed through?

Hello, I have a personal Lenovo Thinkserver, which has a 4 Seagate 2T Disk (3 of them are formed Raid 5) and 3 SSD (256G+128G*2). I don't want to lost my personal data. Is that possible to install the Community Edition on the specified Disk 256G SSD + 1 Seagate 2T HD for testing purpose?

Good morning - I reviewed a thread on the same topic from 2 years ago. I'm looking to see if TPM on the NX series (with AHV) is now supported. I'm seeing something in the support portal about installing the module on G6 nodes. Can someone confirm this? Thanks!

Hello All, I tried to install AOS 5.11.2 with foundation 4.5.1 but I faced from some issues. The system consists of 01 Bloc NX-3060-G4 with 04 nodes. The existing AOS version is 5.11.1 and the existing AHV version is 20170830.270.   Please find below all the log output obtained from foundation process : ======================================================================== 20191218 03:02:38 DEBUG Setting state of <ImagingStepValidation(<NodeConfig(172.18.8.34) @2890>) @ef90> from PENDING to RUNNING 20191218 03:02:38 INFO Running <ImagingStepValidation(<NodeConfig(172.18.8.34) @2890>) @ef90> 20191218 03:09:40 DEBUG Cache HIT: key(<function common_validations at 0x380d7d0>_()_{'global_config': <foundation.config_manager.GlobalConfig object at 0x47ce150>}) 20191218 03:09:40 DEBUG Setting state of <ImagingStepValidation(<NodeConfig(172.18.8.34) @2890>) @ef90> from RUNNING to FINISHED 20191218 03:09:40 INFO Completed <ImagingStepValidatio

I'm looking to see if iDRAC 9 is supported by the latest Nutanix SCOM MP for Dell EMC XC Series.

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 Sizefile1.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 the inadequate wo

By default, a virtual NIC on a guest VM operates in access mode. In this mode, the virtual NIC can send and receive traffic only over its own VLAN, which is the VLAN of the virtual network to which it is connected. A virtual NIC in trunk mode can send and receive traffic over any number of VLANs in addition to its own VLAN. You can trunk specific VLANs or trunk all VLANs. You can also convert a virtual NIC from the trunk mode to the access mode, in which case the virtual NIC reverts to sending and receiving traffic only over its own VLAN.   Trunked NIC can only be added via acli. It is not possible to distinguish between Access and Trunked NIC modes in Prism UI. You can create new NIC for the VM to operate in a required mode or you can change the mode of an existing VM NIC. For the command list and sequence please rerfer to AHV Administration Guide: Configuring a Virtual NIC to Operate in Access or Trunk Mode

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.

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?

Hello everbody, is it correct that the standby containers (Metro Availability) are also mounted to their local hosts in Prism? Thanks for your support! Kind regards,

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

Well, we all know how important firmware upgrades are and it is done using our LCM framework. In case of single node clusters, we do have to do our firmware upgrades manually as LCM framework does not work on them.  Here let’s take an example of doing BMC upgrades manually. It is always suggested to do BMC upgrades if any before the BIOS upgrades.  I am attaching a link to a document below that describes the steps to do BMC upgrades manually.  https://portal.nutanix.com/#/page/kbs/details?targetId=kA032000000988sCAA Hope the document is useful information.

I recently upgraded my CVMs from 16GB to 32GB. Normally I do this from the CLI but yesterday was curious to see if the command Configure CVM in Prism could handle it. The process ran forever and eventually the progress reached 83%. I came back from lunch (forgetting that I had started that process) and started on resolution of some other NCC check failures. At some point I stopped and started the cluster and it was at that moment that I thought about the CVM memory upgrade task. Prism showed it still at %83 in both Task List and Configure CVM progress bar but the VM view showed all three CVMs at 32GB. So my theory is that I jacked up the running Task List somehow??? Is there a way to "reset" the Task List to get rid of that hung task?

We currently have a 48 node hybrid cluster running our Horizon VDI environment with non persistent desktops. The biggest issue is Oulook and OST files. I'm not allowed to turn off cached mode, so I'm redirecting users OST files to network shares. We currently have about 2,600 users and I have those OST files spread across 7 servers. We brought in a consultant with more Nutanix experience than I have and it was suggested that we convert some nodes to all flash, and we would use Affinity Rules to pin these OST file servers to the AF nodes. Makes perfect sense to me based on Nutanix using localization for data. So we have purchased the correct drives to convert 8 nodes to all flash. Storage capacity is going to be almost a wash, I think we are going to drop about 10 TB out of our 200TB logical. I'm in the process of removing the first 4 nodes from the cluster so we can convert them and I got an error from Prism that's very concerning. I know this is a false positive today, but it's e

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

Data is everything in this modern IT world and we want to have as much storage capacity as possible in our infrastructure. Let’s say you have a new Nutanix cluster and want to know the recommended maximum storage utilisation capacity of the cluster. NOTE :- We should not try to utilise the cluster to it’s peak storage as we need to have sufficient space available in case a node or a disk fails to rebuild the data.   Whenever a disk fails in a Nutanix cluster, the extent groups of that disk needs to copied to another disk to ensure fault tolerance, same goes for a node failure.So how can we calculate the maximum storage utilisation of our cluster and if different scenarios, if we have RF-3 or if we have RF-2? Please go through the KB-1557  to understand the formula to calculate the maximum recommended usage for a cluster.  

In certain instances, it may be necessary to change IP address of IPMI. This post explains how to achieve the outcome and where to look for help. Ther are three methods of configuring the IP address. In any case, there are only two simple steps: 1. Configure the IPMI IP addresses by using either the IPMI web interface or the hypervisor host command-line interface via one of the below: IPMI Web Interface Command Line (ipmitool - available on AHV and ESXi hypervisor hosts) BIOS For nodes from other hardware vendors, see the manufacturer instructions. 2. Log on to Controller VM on the same node in the cluster and restart Genesis service. For specific instructions, commands and examples see:NX Series Hardware Administration Guide: Changing an IPMI IP Address.KB-1486 [ESXi] How to re-configure IPMI using ipmitool - also includes instructions and examples on local user accounts management.

Dear all,   Is that IPV6 need to enabled in failover cluster manager (Networks) after cluster created at Hyper -V Nutanix?    

Let’s say you are installing Hyper-V and want to automate the networking configuration. We all love scripting and writing PowerShell cmdlets for different networking tasks like NIC teaming, switch configuration etc can get really complex. Do we have a cheat sheet which can help us with networking commands and workflows to configure a range of activities on PowerShell? Go through the KB to get a quick glance on the commands and workflow related to Hyper-V networking. KB-1553

Someone who can support me, was doing the idrac update (Hyper-V hypervisor) and failed, but now the node is out and can not lift the services, I try to restart it from the console and I get the error message:2019-12-11 14:04:41 INFO zookeeper_session.py:131 cvm_shutdown is attempting to connect to Zookeeper 2019-12-11 14:04:41 WARNING lcm_genesis.py:219 Failed to reach a [localhost] where LCM [LcmFramework.is_lcm_operation_in_progress] is up. Retrying... 2019-12-11 14:04:46 WARNING lcm_genesis.py:219 Failed to reach a [localhost] where LCM [LcmFramework.is_lcm_operation_in_progress] is up. Retrying... 2019-12-11 14:04:51 WARNING lcm_genesis.py:219 Failed to reach a [localhost] where LCM [LcmFramework.is_lcm_operation_in_progress] is up. Retrying... 2019-12-11 14:04:56 WARNING lcm_genesis.py:219 Failed to reach a [localhost] where LCM [LcmFramework.is_lcm_operation_in_progress] is up. Retrying... 2019-12-11 14:05:01 WARNING lcm_genesis.py:219 Failed to reach a [localhost] where LCM [Lcm

Nutanix Cluster is comprised of several critical software and hardware components. All communication happens on a IP network.  CVM - Controller Virtual Machine (AOS) Hypervisor - (AHV | ESXi | Hyper-V | XEN) IPMI - (Out of band management for the hosts) Each CVM communicates with its respective Hypervisor Host on a private IP network. Hosts and CVMs must be on the same subnet. Before proceeding with any network related changes, on the CVM or Hypervisor hosts, it is recommended to perform a cluster health check. Following Nutanix KB outlines the steps to ensure your Nutanix Cluster is in a healthy and consistent state: Checklist on verifying cluster health status  To change the IP Addresses, Net-Mask (subnet mask), Default gateway for your AHV hosts due to hardware re-location, network design changes, please follow the guidance from AHV Advanced Administration Guide: CHANGING THE IP ADDRESS OF AN ACROPOLIS HOST Changing IPMI Address of a Hypervisor Host CHANGING THE CONTROLLER VM IP A

Nutanix best practices dictate that regular disk drives are configured on the SCSI bus, and CD-ROM drives are configured on the IDE bus. While regular disk drives can be configured on the IDE bus, it is possible that performance degradation may be observed on the drive due to the low queue depth on IDE controller. To avoid performance impact conversion of IDE to SCSI can be performed. Prior to modifying the IDE disk, take a local snapshot of the Guest VM, in case a roll-back is needed. It is strongly recommended that the VMs are powered off before performing the conversion. Convert the disk by cloning the IDE disk and attaching it to the SCSI bus. It is recommended to remove the old IDE disk after the cloned SCSI disk is created and validated. To help you identify any non CD-ROM IDE VM disks Nutanix has included NCC check uvm_ide_disk_check into NCC software package. This check is not scheduled to run on an interval and it does not generate an alert. Further on conversion steps, pre-