VCP 6 Study Note – Security Certificate
vSphere components use SSL to communicate securely with each other and with ESXi and is also used by vCenter services such as the vSphere Web Client for initial authentication to…
VCP 6 Study Note – Numa system with ESXi
Sources: wikipedia (numa available in many languages) https://pubs.vmware.com/vsphere-60/index.jsp#com.vmware.vsphere.resmgmt.doc/GUID-7E0C6311-5B27-408E-8F51-E4F1FC997283.html ESXi supports memory access optimization for Intel and AMD Opteron processors in server architectures that support NUMA (non-uniform memory access). NUMA architecture…
VPN Client with pfSense
In some situations it could happens to use a client vpn to access in some lan or network segment to manage or interacts with systems that are isolated from external…
VCP 6 Study Note – Balancing resources DRS and SDRS
Workload balancing is another vSphere feature that using vMotion and sVmotion increase the system efficiency and in some cases could be a cost savings solution. Sources: https://pubs.vmware.com/vsphere-60/index.jsp#com.vmware.vsphere.resmgmt.doc/GUID-98BD5A8A-260A-494F-BAAE-74781F5C4B87.html https://blogs.vmware.com/vsphere/2016/05/load-balancing-vsphere-clusters-with-drs.html (thx to…
VCP 6 Study Note – VM migration (Cold, vMotion, svMotion, EVC)
The added value for a server to be virtualized in a vSphere environment is the agility to move itself across physical environment with near zero downtime. vSphere started talking about…
VCP 6 Study Note – Multiple ways to install ESXi
All of us know the direct installation via media, which is the most used by many folks during “poor” cluster installation (up to 6 nodes installation). But in this post…
VCP 6 Study Note – Advanced Networking Concepts Part2 : Backup restore and recovery management
Backup and restore network configuration vSphere 5.1 and later enables you to backup and restore the configuration of a vSphere Distributed Switch. It’s possible to restore the virtual network configuration…
VCP 6 Study Note – Advanced Networking Concepts Part1 : Networking policies, LACP Support
I’m writing this post to highlight some advanced vSphere topics during my VCP6 Study. Sources for this post are: vSphere 6 Official Docs (https://pubs.vmware.com/vsphere-60/index.jsp#com.vmware.vsphere.networking.doc/GUID-35B40B0B-0C13-43B2-BC85-18C9C91BE2D4.html) KB 2051826 https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2051826 KB 2034277 https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2034277…
Boring vSphere client issue on Windows 10
New vSphere version comes with a powerful web user interface, and this blog post could be “outdated”. But a great part of sysadmins, which use C# Client on Windows 10…