5 Essential Tips for Maximizing Your Experience at Nutanix .NEXT for Bloggers
The Nutanix Support portal includes a compatibility matrix available from the Compatibility Matrix link. You can filter and display compatibility by Nutanix NX model, AOS release, hypervisor, and feature (platform/cluster intermixing). Nutanix recommends that you consult the matrix before installing or upgrading software on your cluster. Do you want to know if you can mix different types of CPUs, memory, disks or hypervisors in your Nutanix environment? Start with this documents that provide the answers you might be looking for, like: Hardware Restrictions: mixing different Nutanix CPU families Storage restrictions: Mixing all-SSD and hybrid SSD/HDD Mixing NVMe and SSD/HDD Encryption restrictions DIMM restrictions: Mixing DIMM Types Mixing different DIMM Capacity Mixing different DIMM Manufactures Mixing different DIMM speed Hypervisor restrictions You can get all the answers in this document : Product Mixing Restrictions In case you need memory specific repla
Your hardware lease period is expired, and you have tried to destroy the cluster to clear the data off the cluster, but the cluster was not destroyed completely? Successful cluster destroy requires to have a clean environment. Clean out cluster config and cluster data. This operation will completely erase all data and all metadata, and each node will no longer belong to a cluster. There are some situations where cluster destroy does not succeed, especially if cluster destroy is executed while one of the nodes is down. In that case please follow this document KB 3436 [Forcibly Destroying the Cluster Using the .node_unconfigure File] which can help you further to clear the data from the cluster.
Customers can observe cluster issues when they use more than 90 percent of the total available storage on the cluster. For node resiliency and redundancy, the disk usage must be below the Max Usable value. One of the most common alerts is Cluster can not tolerate # node failure(s). This alert is fired by the NCC health check "sufficient_disk_space_check" that checks if there is sufficient storage space on the cluster to provide node resiliency. See more details on (KB 1863) Share your comments in this forum!
If you are trying to install any third party software, specially Antivirus packages on Nutanix AHV hosts or Nutanix CVMs please consider the following: As for running antivirus (or any third-party software) on the CVMs and AHV hosts, this is not something that we support or can allow. The CVM should be treated as a network appliance, with access controls put in place to ensure that only authorized access is allowed, and kept up-to-date with the latest CVE patches. Installing any packages on the Nutanix CVMs is unsupported. Moreover, installing packages on the CVMs will void the support. In general, an antivirus being installed on the Nutanix CVM is not recommended as it can have ill effects on performance and cause negative impact on the stability of the system. However you can install antivirus on HYPER-V and VMware hosts, just follow these articles: KB 2360 Antivirus on Nutanix on vmware. KB 5153 Antivirus on Nutanix Hyper-V Nodes. If you like this content, consider clicking the -
Returning from vacations and see that you cannot access your Prism Console? Perhaps you will see this kind of message: The Prism Central is reported as Disconnect - “Prism services have not started yet. Please try again later.” Most of the time you only have to restart the Prism Console Services, all you need to do is: Identify who is the Prism Leader in your environment and SSH to it. Run the commands to restart Prism Service Please follow the details on KB 1014. Note: In the case where the Nutanix Console requires a frequent or continuous restart, consider engaging Nutanix Support at http://portal.nutanix.com.
If your company hardening policies require to show the welcome banner on each CVM each time a user logs in, you can disable it, make the necessary changes per our Security Guide (https://portal.nutanix.com/#/page/docs/details?targetId=Nutanix-Security-Guide-v5_16:Nutanix-Security-Guide-v5_16) and then reenable it. The following KB 8534 has the complete procedure and the commands needed to apply the banner changes in your environment.
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