VMware vSAN: Troubleshooting [V7] Course Overview

VMware vSAN: Troubleshooting [V7] Course Overview

The VMware vSAN: Troubleshooting [V7] course is an advanced training program designed for IT professionals who want to enhance their skills in troubleshooting VMware vSAN environments. This course delves deeply into the vSAN architecture, emphasizing the key components and their interrelationships, and equips learners with the knowledge to apply a structured approach to troubleshoot various issues.

Learners will gain proficiency in vSAN troubleshooting through practical lessons on using tools like Skyline Health for vSAN and command-line interfaces. They will learn to identify and solve configuration and operational problems, understand how storage policies impact vSAN components, and effectively utilize log files for troubleshooting. This course is essential for those looking to master vSAN troubleshooting and ensure the smooth operation of their virtual storage environments.

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Course Prerequisites

To ensure a comprehensive understanding and successful completion of the VMware vSAN: Troubleshooting [V7] course, participants should possess the following minimum prerequisites:


  • Understanding of concepts presented in the VMware vSphere: Install, Configure, Manage [V7] course or equivalent knowledge.
  • Basic knowledge of storage concepts and technologies, including disk/storage devices, SAN/NAS, and storage protocols.
  • Familiarity with VMware ESXi™ and VMware vCenter Server®.
  • Experience with working at the command line is highly recommended.
  • Some exposure to basic network troubleshooting is beneficial.

Please note that while these are the minimum prerequisites, the more hands-on experience and familiarity you have with VMware vSphere environments and storage infrastructures, the more you will benefit from the troubleshooting techniques presented in this course.


Target Audience for VMware vSAN: Troubleshooting [V7]

The VMware vSAN: Troubleshooting [V7] course is designed for IT professionals who manage and troubleshoot vSAN environments.


• System Administrators and Engineers responsible for vSAN networks • Storage and Virtualization Consultants • vSAN Implementation Specialists • IT professionals seeking advanced knowledge on vSAN troubleshooting • VMware Certified Professionals (VCPs) looking to deepen their expertise • Technical Support and Operations personnel working with vSAN • Data Center Managers overseeing virtual environments • Infrastructure Architects designing vSAN solutions • Anyone preparing for advanced VMware certifications




Learning Objectives - What you will Learn in this VMware vSAN: Troubleshooting [V7]?

Introduction to Learning Outcomes:

The VMware vSAN: Troubleshooting [V7] course equips students with the skills to diagnose and resolve issues within the vSAN environment, utilizing architecture knowledge, troubleshooting methodology, and various tools.

Learning Objectives and Outcomes:

  • Understand the vSAN architecture, including its components and software elements such as CLOM, DOM, LSOM, CMMDS, and RDT.
  • Learn how storage policies impact vSAN components and object placement within the storage environment.
  • Gain proficiency in using a structured approach to troubleshoot configuration and operational problems in vSAN.
  • Enhance efficiency in diagnosing faults through applying systematic troubleshooting methodologies.
  • Familiarize with Skyline Health for vSAN for issue identification and resolution.
  • Develop skills in using command-line tools and ESXi Shell for vSAN management and configuration.
  • Master the use of esxcli vsan namespace commands for vSAN operations.
  • Understand when and how to use Ruby vSphere Console (RVC) commands in a vSAN context.
  • Identify and utilize key log files that are crucial for troubleshooting vSAN issues.
  • Apply knowledge of vSAN troubleshooting to effectively solve real-world problems in a vSAN deployment.

Technical Topic Explanation

vSAN architecture

vSAN, or Virtual SAN, is an architecture within VMware that pools together direct-attached storage devices across a VMware vSphere cluster to create a distributed, shared data store. This storage model optimizes performance and scalability by distributing data across the network, enabling fault tolerance and flexibility in managing data resources. As part of its design, vSAN simplifies storage configuration and management, which becomes particularly useful during vSAN troubleshooting or VMware vSAN troubleshooting scenarios, where identifying and resolving issues is streamlined due to its integrated VMware environment.

VMware vSAN

VMware vSAN is a software solution that allows businesses to create a secure and efficient storage area by pooling together the hard disk and solid-state drive resources of several servers to create a single storage unit. This setup is managed virtually and is integrated with VMware’s own virtual server environment. vSAN simplifies IT operations and extends VMware environments, improving data center efficiency. Effective vSAN troubleshooting ensures consistent performance and quick resolution of any operational hiccups, making it a critical skill to maintain system reliability and uptime.

Skyline Health for vSAN

Skyline Health for vSAN is a proactive support technology integrated into VMware's vSAN platform. It automatically identifies common configuration and health issues, offering real-time solutions and preventative measures to optimize the performance and availability of your virtual storage area network. This tool leverages VMware’s extensive knowledge repository, continuously analyzing your environment to ensure it is running smoothly and efficiently. Skyline Health for vSAN enhances troubleshooting by providing specific, actionable guidance, reducing downtime and simplifying the management of VMware vSAN environments. This support is crucial for maintaining system health and ensuring the highest levels of operational efficiency in your IT infrastructure.

command-line interfaces

A command-line interface (CLI) is a text-based tool that allows users to interact with their computer's operating system or software by typing specific commands into a terminal or console window. Unlike graphical user interfaces (GUIs) where you use a mouse to click icons and menus, CLIs require you to input text commands directly. This method can often be faster for certain tasks, especially administrative ones, and is powerful for automating tasks through scripts. CLIs are especially useful in environments where a GUI is unavailable, such as servers or minimal resource devices.

storage policies

Storage policies define how data is handled and managed across storage systems, ensuring efficiency and compliance. These policies set rules for data storage, archiving, replication, and deletion to balance performance, cost, and availability. By adhering to these policies, organizations can optimize their data management, improve system performance, and secure data integrity. In environments like VMware vSAN, storage policies are crucial for troubleshooting and managing storage distribution and availability, as they dictate how data is stored across different disks and nodes within a cluster.

log files for troubleshooting

Log files are records that systems and applications generate to capture various details like events, operations, and errors occurring during execution. In troubleshooting, particularly in systems like VMWare vSAN, these logs are invaluable. They help identify when and where issues occur, making it easier to understand complex failures and fix them efficiently. Logs provide a step-by-step recount of the system's performance and are crucial for diagnosing intermittent issues that are not easily replicable, ultimately ensuring systems are optimally running and identifying improvement points for future incidents.

Target Audience for VMware vSAN: Troubleshooting [V7]

The VMware vSAN: Troubleshooting [V7] course is designed for IT professionals who manage and troubleshoot vSAN environments.


• System Administrators and Engineers responsible for vSAN networks • Storage and Virtualization Consultants • vSAN Implementation Specialists • IT professionals seeking advanced knowledge on vSAN troubleshooting • VMware Certified Professionals (VCPs) looking to deepen their expertise • Technical Support and Operations personnel working with vSAN • Data Center Managers overseeing virtual environments • Infrastructure Architects designing vSAN solutions • Anyone preparing for advanced VMware certifications




Learning Objectives - What you will Learn in this VMware vSAN: Troubleshooting [V7]?

Introduction to Learning Outcomes:

The VMware vSAN: Troubleshooting [V7] course equips students with the skills to diagnose and resolve issues within the vSAN environment, utilizing architecture knowledge, troubleshooting methodology, and various tools.

Learning Objectives and Outcomes:

  • Understand the vSAN architecture, including its components and software elements such as CLOM, DOM, LSOM, CMMDS, and RDT.
  • Learn how storage policies impact vSAN components and object placement within the storage environment.
  • Gain proficiency in using a structured approach to troubleshoot configuration and operational problems in vSAN.
  • Enhance efficiency in diagnosing faults through applying systematic troubleshooting methodologies.
  • Familiarize with Skyline Health for vSAN for issue identification and resolution.
  • Develop skills in using command-line tools and ESXi Shell for vSAN management and configuration.
  • Master the use of esxcli vsan namespace commands for vSAN operations.
  • Understand when and how to use Ruby vSphere Console (RVC) commands in a vSAN context.
  • Identify and utilize key log files that are crucial for troubleshooting vSAN issues.
  • Apply knowledge of vSAN troubleshooting to effectively solve real-world problems in a vSAN deployment.