VSANTSW6 - VMware vSAN: Troubleshooting Workshop [V6.x]

In this two-day course, you will focus on learning the tools and skills necessary to troubleshoot VMware vSAN™ 6.6 implementations. You will gain practical experience with vSAN troubleshooting concepts through the completion of instructor-led activities and hands-on challenge lab exercises.

Duration: 2.0 days

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By the end of the course, you should be able to meet the following objectives:
  • Describe the software components 
  • Diagram how the components relate to each other 
  • Describe vSAN object placement 
  • Explain the differences between object states 
  • Explain how storage policies affect object states 
  • Predict how specific failures affect object states


1. Course Introduction
  • Introductions and course logistics 
  • Course objectives

2. vSAN Software Architecture
  • Describe the vSAN architecture and components
  • Describe the policy-driven, object-based vSAN storage environment 
  • Describe the vSAN software components: CLOM, DOM, LSOM, CMMDS, and RDT 
  • Explain the relationships between the vSAN software components 
  • Explain the relationship between objects and components 
  • Determine how specific storage policies affect components 
  • Describe component placement

3. Troubleshooting
  • Methodology Use a structured approach to solve configuration and operational problems 
  • Apply troubleshooting methodology to logically diagnose faults and optimize troubleshooting efficiency

4. Troubleshooting Tools
  • Replace a failed witness appliance 
  • Discuss the ways to run various command-line tools 
  • Discuss the ways to access VMware vSphere® ESXi™ Shell 
  • Use commands to view, configure, and manage your VMware vSphere® environment 
  • Explain which log files are useful for vSAN troubleshooting 
  • Use log files to help troubleshoot vSAN problems 
  • Discuss the esxcli vsan namespace commands 
  • Discuss how to use Ruby vSphere Console commands


Storage and virtual infrastructure administrators who want to use software-defined storage with vSAN.


This course requires completion of one of the following prerequisites:
  • Understanding of concepts presented in the VMware vSphere: Install, Configure, Manage [V6.5] course 
  • Completion of the VMware vSAN: Deploy and Manage [V6.6] course or equivalent experience with VMware vSAN.
  • Experience working with linux command line interfaces.

The course presumes that a student can perform the following tasks with no assistance or guidance before enrolling:
  • Use VMware vSphere® Web Client for common operations 
  • Create and manage VMware vCenter Server® objects, such as data centers, clusters, hosts, and virtual machines 
  • Create and modify a standard switch 
  • Modify a distributed switch 
  • Create a VMware vSphere® VMFS datastore 
  • Use a wizard or a template to create a virtual machine 
  • Migrate a virtual machine with VMware vSphere® vMotion® and VMware vSphere® Storage vMotion®

If you cannot complete all of these tasks, VMware recommends that you complete the VMware vSphere: Install, Configure, Manage [V6.5] and VMware vSAN: Deploy and Manage [V6.6] courses before enrolling in VMware vSAN: Troubleshooting.



Course Benefits

  • Career growth
  • Broad Career opportunities
  • Worldwide recognition from leaders
  • Up-to Date technical skills
  • Popular Certification Badges

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