VMware vSAN: Troubleshooting Workshop [V6.x]

VMware vSAN: Troubleshooting Workshop [V6.x]


Course Duration: 2 Days

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.


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

Module 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.

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

Module 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.
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.
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