5 Essential Tips for Maximizing Your Experience at Nutanix .NEXT for Bloggers
Did you know that, as of Calm version 3.0 and later releases, all of your Calm data can now be backed-up? Previous versions of Calm, unfortunately, did not allow this functionality.All Calm data can now be backed-up to and restored from a single archive file. Taking a backup of the Calm data involves simply connecting to the Prism Central instance hosting the Calm service via CLI (i.e. via SSH), then connecting to the corresponding docker container (named “nucalm”) and executing a single command.More information regarding this procedure can be found within the “Taking Backup and Restoring Calm Data” section of the “Nutanix Calm Administration and Operations Guide”.
Many users will create a Linux VM on their Nutanix AHV cluster using default installation options, then configure and install any appropriate applications or services within the VM, and then move onto other tasks. While this approach is certainly acceptable, many users are unaware that there are additional modifications that can be made to the Linux VM OS which can enhance the performance or the overall functionality of the VM.For example, there are several Linux kernel parameters which can be configured including “vm.overcommit_memory” and “vm.swappiness”. If leveraging iSCSI connectivity, there are several parameters that can be modified within the iscsid.conf file which can increase performance.Regarding disk usage, volume group striping can be employed using LVM to further increase throughput. There are further parameters that can be employed when mounting disks, and accessing disks can be assisted via a max_sector_kb parameter.You can find more information regarding these modifica
It can sometimes be confusing as to which network port(s) a Nutanix product or service uses. Also, this information can often be helpful when configuring network security or firewall appliances. For the various Nutanix products and services, a handy list of ports, services, their respective protocols, and a simple description of each can be found in the Port Reference documentation of the Portal. This list is conveniently divided into sections corresponding to each Nutanix product or service. Also, specifically regarding the configuration of network firewalls, a recommendation regarding the specific ports configuration can be found within the Recommendation on Firewall Ports Config knowledge base article.
When migrating Windows VMs from AWS into a Nutanix cluster and while using automatic Windows VM preparation, it is important to verify permissions configurations in two places within AWS. Specifically, the permissions for the AWS account that is provided when adding an AWS source into Move and the permissions of the IAM profile associated with the VM instance to be migrated. AWS allows permissions configurations to be viewed/updated in a JSON format. Further, the Move User Guide also lists the necessary permissions for these entities in a JSON format. These JSON values can then be reviewed/compared and, if any of the permissions are missing or configured incorrectly from AWS, simply update the permissions according to the User Guide values. Also, it should be verified that the Windows VM instance is properly managed by the AWS SSM Manager prior to a migration attempt. Further information regarding this can be found within the AWS to Nutanix Clusters on AWS and AHV VM Migration section
In this Google-ready culture, many users will immediately turn to an internet search engine when seeking for information regarding a specific question or issue involving Prism. However, many users are unaware that Prism maintains an online help system which responds-to and changes depending upon which dashboard is currently being viewed within Prism.For example, a user may be interested in deploying a File Server and may have questions regarding this while reviewing the File Server dashboard within Prism. From that dashboard, simply clicking the global question mark icon from the top menu and selecting the “Help with this page” option will automatically open a new browser tab to the File Server Management section of the Prism Web Console Guide. What’s more, the specific version of the Prism Web Console Guide that is displayed corresponds to the current version of Prism from which it was launched.Further, some of the dialogue boxes within Prism also contain a question mark icon which wi
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