Increasing the heap memory on vCSA 6.7 services

For some reason, our monitoring alerted that the service “vsphere-ui” from the vCSA it was having some problems randomly. From the user perspective only we noticed some slowness when navigating within the HTML5 client. I took a quick view of the VAMI I saw this message from the VMware vSphere Client service: The server is running low on heap memory (>90% utilized.) So it was time to solve those random alerts about memory utilization....

August 31, 2020 · 2 min · itgaiden

vCSA 6.x installer error: “No networks on the host. Cannot proceed with the installation.»

This is a quick post of an error I found sometimeswhile deploying a new vCenter server appliance with an embedded PSC on the vCSA 6.x installer. The problem In my case, I was trying to install vCSA 6.5 without DNS (this is why the system name has an IP address and the DNS is itself). Also, notice that the network section is empty: If you try to continue with the installation, it will show you an error:...

April 30, 2019 · 2 min · itgaiden

Cloning virtual machines in vSphere series – Part 3: Linked Clones

Let’s start with part 3 in the cloning virtual machines in vSphere series, I am going to talk about another type of clones, linked clones!  All articles regarding cloning virtual machines in vSphere series: Part 1: Types of clone Part 2: Full Clone Part 4: Instant Clones (not published yet) As said in previous articles, this series is only focused on VMware vSphere hence, VMware Horizon View is not contemplated (Linked clones are commonly used in that product)....

April 16, 2019 · 6 min · itgaiden

Cloning virtual machines in vSphere series – Part 2: Full clone

Continuing with the cloning virtual machines in vSphere series, today I am going to write about the full clone, how it works and some useful information about it. So, let’s talk about clones… but just full clones. How does it work? As you probably know a full clone is an exact copy of a source VM, meaning that, everything from the parent VM is copied (VM settings, disks, files, etc....

March 6, 2019 · 4 min · itgaiden

Cloning virtual machines in vSphere series – Part 1: Types of clone

Most of you already know how to clone virtual machines within vSphere, and I mean cloning from the vSphere Web client within vCenter but, beyond that, there are other types of clones you can use in vCenter like, Linked Clones or Instant Clones (aka Project Fargo/VMfork) Due to the large content that can be discussed about each clone’s type, I decided to make a short series of posts talking about cloning VMs!...

February 25, 2019 · 4 min · itgaiden