be VMware Certified
Only five years ago I started my journey into IT certification and the first certificate of my life was VMware Certified Professional. From that moment my life changed becoming more…
VCP 6 Study Note – vCenter Overview
vCenter is primary management tool for vSphere admins. It provides: point of control for all components in vDC management functionalities and services rights, permission and roles management storage and resource…
VCP 6 Study Note – VM version and features
Source: KB 2051652 https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2051652 Version 11 (>= Esxi 6.0) Version 10 (>= Esxi 5.5) Version 9 (>= ESXi 5.1) Max memory (GB) 4080 1011 1011 Max logical processors 128 64…
VCP 6 Study Note – Logs purposes and locations
This is not only a study, this could be a rapid guide to identify logs locations and their purposes. Sources: KB 1021806 https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1021806 ESXi Source: https://pubs.vmware.com/vsphere-60/index.jsp#com.vmware.vsphere.security.doc/GUID-F35D7005-58EB-48AC-99D5-B9942EB2A8EF.html VMkernel Location: /var/log/vmkernel.log Purpose:…
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…
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…