VM showing disk size is 0 MB

Some time ago, I was doing some clean up on VMs that have attached an image file, when I found a particular VM with strange behavior, each disk from the VM (local and RDM disks) was showing 0 MB of disk size: So, what I did? First of all, I checked the guest OS and verified that it was up and running. So I was wondering how the guest OS seems correct but vSphere Web Client (I refreshed several times the browser) was showing no space in all disks and I verified in the Datastores that the ....

October 3, 2018 · 2 min · itgaiden

vSphere 6.0: New external PSC within existing SSO Domain

Hello there! A quick post talking about a new external PSC in vSphere 6.0 environments. As you may now the vCenter product is composed by the PSC (Platform Services Controller) and the vCenter component. Services provided by each component: Platform Services Controller <td style="width: 50%; height: 10px; text-align: center;"> <span style="font-family: Didact Gothic;"><strong><span style="background-color: #ffffff; color: #000000; font-size: 12pt;">vCenter</span></strong></span> </td> vCenter Single Sign-On <td style="width: 50%; height: 27px; text-align: center;"> <span style="font-size: 10pt; font-family: Didact Gothic;">PostgreSQL or SQL Express (in 6....

August 20, 2018 · 3 min · itgaiden

vSphere Network I/O Control: NIC Limit bandwidth

Today let’s talk about vSphere Network I/O Control (NIOC) version 3 (vSphere 6.0), it’s a feature in the vSphere Distributed Switch that allows you to control granularly the output/egress bandwidth from a VM network adapter level. Besides there are other useful options within NIOC capabilities, today, I will focus only in the network adapter bandwidth limit for VMs. Prerequisites: Enable the feature in the dvSwitch (in our case the one with Data Network):Scenario:...

August 2, 2018 · 3 min · itgaiden

VMkernel: vMotion and Provisioning in dedicated TCP/IP stacks

It’s been a while since I posted something, but I was busy with university duties and to be honest I couldn’t spend time on publishing things but, here we are! First, I am currently studying for the VCAP6 – DCV Deployment Exam (3V0-623) and I am learning a lot with it, so maybe I will post more topics related with. Today I am going to talk about TCP/IP stacks in VMkernels (for vSphere 6)....

July 23, 2018 · 3 min · itgaiden

VCP6-DCV achieved!

I am going to start talking about the exam VCP6-DCV from VMware. The main resource you should use is the VMware site: http://bit.ly/1PLshWR There you can check a path to achieve VCP6-DCV (there is a newer version VCP6.5-DCV). I took path 1, as I wasn’t certified. Later, I took one official training course, VMware vSphere: Install, Configure, Manage [V6]. Next, I passed the vSphere 6 Foundations Exam (2V0-620) months ago and finally I did VMware Certified Professional 6 – Data Center Virtualization Exam (2V0-621)....

September 3, 2017 · 2 min · itgaiden