Possibilities of VMware HA – VM Component Protection

While at VMworld 2012 I attended a session called “vSphere HA and Datastore Access Outages – Current – Capabilities Deep-Dive and Tech Preview” also known as INF-BCO2807. The presentation was put together by Smriti Desai (@smriti_desai) and Keith Farkas, both from VMware. If you haven’t seen this session and have access to them online, you really should take a look, …

VCAP5-DCA – Objective 6.5 – Troubleshoot vCenter Server and ESXi Host Management

For this objective I used the following documents: Documents listed in the Tools section Objective 6.5 – Troubleshoot vCenter Server and ESXi Host Management Knowledge **ITEMS IN BOLD ARE TOPICS PULLED FROM THE BLUEPRINT** Identify CLI commands and tools used to troubleshoot management issues If you can get to the console of your ESXi hosts, you can try restarting the …

VCAP5-DCA – Objective 6.4 – Troubleshoot Storage Performance and Connectivity

For this objective I used the following documents: Documents listed in the Tools section Objective 6.4 – Troubleshoot Storage Performance and Connectivity Knowledge **ITEMS IN BOLD ARE TOPICS PULLED FROM THE BLUEPRINT** Identify logs used to troubleshoot storage issues Log files that can be used to troubleshoot storage issues on an ESXi host all reside in the /var/log folder on …

VCAP5-DCA – Objective 6.3 – Troubleshoot Network Performance and Connectivity

For this objective I used the following documents: Documents listed in the Tools section Objective 6.3 – Troubleshoot Network Performance and Connectivity Knowledge **ITEMS IN BOLD ARE TOPICS PULLED FROM THE BLUEPRINT** Identify vCLI commands and tools used to troubleshoot vSphere networking configurations There are a good amount of vCLI commands that you can use to troubleshoot your networking configurations. …

VMware Workstation 8 “Micro-Freezes”

I ran into this issue recently, and even though the answer was out there, it took me a while to find the right fix. Here it is again… Symptom I built an admin workstation for work but soon noticed what others were calling “micro-freezes” while using the virtual machine. The virtual machine’s responsiveness was great, however, it would frequently hang …

VCAP5-DCA – Objective 6.2 – Troubleshoot CPU and Memory Performance

For this objective I used the following documents: http://communities.vmware.com/docs/DOC-11812 – Everything ESXTOP http://www.yellow-bricks.com/esxtop/ – Good rollup from Duncan Documents listed in the Tools section Objective 6.2 – Troubleshoot CPU and Memory Performance Knowledge **ITEMS IN BOLD ARE TOPICS PULLED FROM THE BLUEPRINT** Identify resxtop / esxtop metrics related to memory and CPU Here are a list of some of the …

Book Review – Managing and Optimizing VMware vSphere Deployments (VMware Press)

I recently received a copy of Managing and Optimizing VMware vSphere Deployments by Sean Crookston and Harley Stanger (find it here on Amazon) and I wanted to share my thoughts. Chapter 1: Laying the Groundwork What a great start. This chapter covers the core competencies of vSphere 5. Not only is the functionality of these competencies discussed, but the design …

VMware vCenter 5.1 SSO Installation Error 29133: Administrator login Error

Earlier this week I decided to go ahead and upgrade the vCenter in my lab from 5.0 –> 5.1. The first step of doing that is to install the new vCenter Single Sign On (SSO) component, which allows single sign on for the vCloud Suite. Before starting with the install I glanced over the vCenter 5.1 Release Notes as well …