Thursday, March 24, 2011

VCAP-DCA Section 4 -4.1


Section 4 – Manage Business Continuity and Protect Data
Objective 4.1: Implement and Maintain Complex VMware HA Solutions

Skills and Abilities
·         Calculate host failure requirements
·         Configure customized isolation response settings
·         Configure HA redundancy in a mixed ESX/ESXi environment
·         Configure HA related alarms and monitor an HA cluster
·         Create a custom slot size configuration
·         Understand interactions between DRS and HA
·         Create an HA solution that ensures primary node distribution across sites
·         Analyze vSphere environment to determine appropriate HA admission control policy
·         Analyze performance metrics to calculate host failure requirements
·         Analyze Virtual Machine workload to determine optimum slot size
·         Analyze HA cluster capacity to determine optimum cluster size

Configure Advance Cluster Settings using vMA

Here is another way to configure Advance Cluster Settings.

We can use vMA detailed here

Once you have the script and config file. Run the command;

./ --server XXXXXX --cluster XXXXXX --file ha_configs

Changing IP vMA

As I was in my LAB for VCAP-DCA study needed to change IP addres on my vMA box, here are two options which are detailed by Ray Heffer @ ET. Link below.

Here is one Option.
 Change the working directory to /opt/vmware/vma/bin/
# cd /opt/vmware/vma/bin/
Run the script:
# sudo ./

Wednesday, March 23, 2011

VCAP-DCA Section 6-6.1

Section 6 – Perform Advanced Troubleshooting
Objective 6.1 – Configure, Manage and Analyze vSphere Log Files

Skills and Abilities
·         Generate vCenter Server and ESX/ESXi log bundles
·         Use vicfg-syslog to configure centralized logging on ESX/ESXi Hosts
·         Test centralized logging configuration
·         Configure the vMA appliance as a log host
·         Use vilogger to enable/disable log collection on the vMA appliance
·         Use vilogger to configure log rotation and retention
·         Analyze log entries to obtain configuration information
·         Analyze log entries to identify and resolve issues

Tuesday, March 22, 2011

VCAP-DCA Section 3 -3.5


Section 3 – Deploy DRS Clusters and Manage Performance
Objective 3.5 – Utilize Advanced vSphere Performance Monitoring Tools

Skills and Abilities
·         Configure esxtop/resxtop custom profiles
·         Determine use cases for and apply esxtop/resxtop Interactive, Batch and Replay modes
·         Use vscsiStats to gather storage performance data
·         Given esxtop/resxtop output, identify relative performance data for capacity planning purposes
·         Use esxtop/resxtop to collect performance data

Thursday, March 17, 2011

Objective 8.2 -- Administer vCenter Orchestrator – Part 2

Objective 8.2 -- Administer vCenter Orchestrator
This is covered in this video.
·          Run a Workflow
·          Administer Actions, Tasks, Workflows and Policies
·          Administer Packages
·          Identify appropriate Workflow for a given management activity

Objective 8.2 -- Administer vCenter Orchestrator - Setup Lab

Objective 8.2 -- Administer vCenter Orchestrator

This video is just going over how to setup Orchestrator. As it wastnt a black and white as I thought it would be as I have never used this before.

The issue was around the database config.

Hope it helps others out there.

Wednesday, March 16, 2011

VCAP-DCA Blueprint Update

There has been an updated release of the Exam Blueprint ver 1.7. Link Below

Nort sure what has been change. Will update soon.

Monday, March 14, 2011

VCAP-DCA Section 4 - 4.4

Section 4 Manage Business Continuity and Protect Data
Objective 4.4 - Deploy and Maintain vCenter Server Heartbeat

A video on vCenter Heatbeat going over the skills and abilities

The PDF document used in the video can be found here
 PDF Document 1

PDF Document 2

The HD Video is here.

Section 4 – Manage Business Continuity and Protect Data from Carlos Vargas on Vimeo.

Saturday, March 12, 2011

VCAP DCA Lab BrownBag @

Lab Resheduled.

If you  are looking at the VCAP-DCA Cert would suggest registering and join this Brownbag.


Date/Time: Friday, March 11, 2011 @ 7PM CST

The Lab

Your company has purchased 3 servers and an iSCSI SAN as an additional production cluster. As administrator you must complete the following tasks:
  • Configure the hosts for availability and resource distribution
  • Enable future growth for the hosts
  • Enable power savings
  • Ensure the configuration of all hosts is consistent and auditable
  • Configure iSCSI to support production work loads
  • In addition to iSCSI, you must also support an HA Web network segment
Direct Link:

Thursday, March 10, 2011

VCAP-DCA Section 5 - 5.1

Section 5 Perform Operational Maintenance
VCAP-DCA Objective 5.1 : Implement and Maintain Host Profiles

Skills and Abilities
Create sub-profiles
Use Profile Editor to edit and/or disable policies
Use Host Profiles to deploy vDS

The PDF document used in the video can be found here PDF Document.
The HD Video is here.


VCAP-DCA Section 5 Objective 5.1 from Carlos Vargas on Vimeo.

Wednesday, March 9, 2011

Saturday, March 5, 2011

VCAP-DCA Section 8 - 8.3

Section 8 Perform Scripting and Automation
VCAP-DCA Objective 8.3 : Administer vSphere Using the VSphere Management Assitant

•Install and Configure vMA
•Add/Remove target servers
•Perform updates to the vMA
•Use vmkfstools to manage VMFS datastores
•Use vmware-cmd to manage VMs
•Use esxcli to manage Storage Multipathing
•Troubleshoot common vMA errors and conditions
The PDF document used in the video can be found here PDF Document.

The HD Video is here.

VCAP-DCA Section 8 Objective 8.3 from Carlos Vargas on Vimeo.