Year: 2023
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Force provisioning option in vSAN policies
Reading Time: 5 minutesForce provisioning option in vSAN policies is an article that explains in a practical way how the advanced option force provisioning works. Firstly, if you need to know a little bit about vSAN, we have an article that explains what is vSAN (in a basic way) and how to set up a…
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vSphere HA Communication Network
Reading Time: 3 minutesvSphere HA Communication Network is an article that explains how vSphere HA Communication Network works in a vSAN Cluster, and what network is used to achieve that. Definitely, the vSphere HA is a classical and useful feature present on the vSphere Stack. vSphere HA provides high availability for virtual machines by pooling…
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How to use a custom SSL certificate on ESXi
Reading Time: 5 minutesHow to use a custom SSL certificate on ESXi is an article that explains how to change the default host’s certificate with a custom SSL certificate. Why I should do it? We can have a lot of answers to this question. But, if your corporate policy requires that you use custom certificates,…
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How to use a custom SSL certificate on vCenter
Reading Time: 6 minutesHow to use a custom SSL certificate on vCenter is an article that explains how to change the default Machine SSL certificate on the vCenter Server with a custom SSL certificate. There are some ways to do that, but in this article, we will explain how to do that in a simple…
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How to configure backup on the NSX Manager
Reading Time: 4 minutesHow to configure backup on the NSX Manager is an article that explains how to configure automatic backup for the NSX Manager data. On the NSX-T Data Center, we have a lot of critical components and it is crucial to have a working backup and restore plan. Nowadays, is usually using VMware…
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How to use iperf on ESXi host
Reading Time: 4 minutesHow to use iperf on ESXi host in an article that explains how to use iperf to test network performance on an ESXi host. Basically, what is iperf/iperf3? Based on the website https://iperf.fr/, iPerf3 is a tool for active measurements of the maximum achievable bandwidth on IP networks. It supports tuning various…
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Configuring NSX Manager Virtual IP
Reading Time: 3 minutesConfiguring NSX Manager Virtual IP is an article that explains how to configure the Virtual IP (VIP) on NSX Manager for redundancy purposes. If you are interested to know more about NSX-T, we wrote an article that introduces the NSX-T Data Center. Click here to read the article. Also, we wrote an…
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Increasing the heartbeat timeout in vCenter
Reading Time: 2 minutesIncreasing the heartbeat timeout in vCenter is an article that explains how to set up a new timeout value in the vCenter Server’s advanced configurations. Before we get started, we have an article that explains how to debug the heartbeat communication between vCenter and ESXi host. Click HERE to read this article.…
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Some useful esxcli network commands
Reading Time: 7 minutesSome useful esxcli network commands is an article that shows some useful esxcli network commands that help the administrator in day-to-day life. So, before we start, I would like to share a command reference (guide) related to the ESXi command. In this guide, we can find a lot of esxcli commands, syntax,…
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Explaining vSAN’s Free Capacity
Reading Time: 5 minutesExplaining vSAN’s Free Capacity is an article that explains some important points about vSAN’s free space recommendation to maintain your vSAN cluster healthy. What is vSAN Slack Space? vSAN Slack Space is a free space or a free area in the vSAN Datastore reserved for vSAN’s internal operations such as host maintenance…
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Debugging vCenter and ESXi Heartbeat
Reading Time: 3 minutesDebugging vCenter and ESXi Heartbeat is an article that explains how to debug the ESXi heartbeat communication with the vCenter Server. We will use the tool “tcpdump” to help us in this troubleshooting. The ESXi host (vpxa) sends UDP heartbeats packets to the vCenter Server (vpxd) every 10 seconds. This traffic uses…
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Adding Additional NSX Manager Appliance
Reading Time: 3 minutesAdding Additional NSX Manager Appliance is an article that explains the process to add additional NSX Managers appliances to the NSX Management Cluster. We posted a previous article explaining how to deploy the first NSX Manager. So, click HERE to read this article. There is a recommendation from VMware to deploy 3…