VMware vSAN: Troubleshooting Workshop [V6.x]

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(Course eligible for SATVs)

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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.

  • Introductions and course logistics
  • Course objectives
  • 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
  • Use a structured approach to solve configuration and operational problems
  • Apply troubleshooting methodology to logically diagnose faults and optimize troubleshooting efficiency
  • 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.

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

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