Reviews 4,2
Reviews 4,5
VMware vSphere: Troubleshooting
When vSphere systems fail, every minute counts. This training provides structured approaches to fault diagnosis – from initial analysis to lasting resolution. It builds on a thorough understanding of how complex virtualized data center environments work together.
Key topics
- Systematically narrow down performance bottlenecks in CPU, RAM, and storage.
- Examine vSwitch and distributed switch connectivity for faults.
- Pinpoint root causes in cluster, HA, and DRS configurations.
- Effectively evaluate logs, core dumps, and support bundles.
- Define escalation paths and document incidents in a traceable way.
Prerequisite
Those with hands-on experience administering ESXi hosts and vCenter environments can join directly. Familiarity with networking and storage concepts is beneficial.
Target group
This training is designed for IT professionals who manage vSphere environments in daily operations and want to sharpen their diagnostic capabilities.
Structured fault management strengthens the stability of entire infrastructures. Isolating and resolving problems systematically protects production systems and builds dependable IT processes across the organization.
Course content
Course overview and learning objectives
- Course structure, organizational setup, and learning objectives at a glance
- Setting expectations and establishing a shared foundation for the training
Structured troubleshooting approach
- Defining the scope of the problem and setting priorities
- Resolving configuration and operational issues using a structured methodology
- Increasing diagnostic efficiency through systematic approaches
Diagnostic tools overview
- Command execution: methods and access routes
- Using the ESXi Shell effectively
- Applying commands for vSphere components
- Working with the vSphere CLI
- Running ESXCLI commands via the vSphere CLI
- Understanding Data Center CLI commands
- Selecting the right tool for each troubleshooting task
- Knowing the key log files for vCenter Server and ESXi
- Benefits and capabilities of VMware Skyline
- How VMware Skyline operates
- Working with VMware Skyline Health
- Leveraging VMware Skyline Advisor
Resolving network issues in virtual environments
- Isolating and resolving issues with standard switches
- Analyzing VM connectivity problems
- Identifying and fixing network management issues
- Investigating and resolving faults in distributed switches
Analyzing and resolving storage problems
- Understanding vSphere storage architecture and its components
- Systematically identifying root causes of datastore failures
- Investigating storage connectivity and configuration problems
- Exploring storage issues and their underlying causes
- Resolving connectivity errors and correcting misconfigurations
- Restoring LUN visibility after outages
- Reviewing storage architecture and troubleshooting capabilities in vSphere
- Using ESXi and Linux commands for diagnostics
- Evaluating log files to identify root causes
- Investigating ESXi storage problems systematically
- Resolving snapshot issues for virtual machines
- Identifying and addressing storage performance problems
- Validating multipathing configurations
- Understanding common causes of missing paths (PDL, APD)
- Resolving path failures between hosts and storage devices
Resolving cluster faults in vSphere
- Systematically identifying and eliminating HA issues in vSphere clusters
- Investigating and resolving vMotion disruptions
- Diagnosing and correcting common DRS problems in vSphere
Fault analysis for virtual machines
- Systematically evaluating VM files and disk IDs
- Identifying, analyzing, and resolving snapshot issues
- Investigating and resolving VM startup problems
- Identifying and eliminating VM connection errors
- Diagnosing and correcting VMware Tools errors
Fault diagnosis for vCenter and ESXi
- Investigating and resolving vCenter Server service issues
- Diagnosing and fixing database errors in vCenter Server
- Using the vCenter Server Appliance and Bash shell for fault analysis
- Systematically identifying and correcting ESXi host problems
Up to 100% funding for your continuing education
Attractive funding opportunities are available for numerous continuing education programs – depending on the funding program, up to 100% funding is possible.
The requirement is that you live or work in Germany. Our funding opportunities are not available outside of Germany.
Funding opportunities are available for career starters, job seekers, career changers, startups, experienced professionals, those seeking career advancement, and specialists.
Who is this training designed for?
- This training is aimed at IT professionals who actively administer vSphere environments and want to build deeper fault diagnosis skills. Practical knowledge of ESXi, vCenter Server, networking, and storage is expected.
What prior knowledge is required?
- Solid vSphere administration skills are expected – particularly with ESXi hosts, vCenter Server, clusters, HA, and vMotion. A working understanding of TCP/IP, storage, and log analysis makes entry into the course significantly easier.
What types of faults are covered?
- The training covers a broad range of incident types: host failures, HA errors, vMotion disruptions, storage latency, network problems, and VM performance drops. The goal is a methodical, reproducible approach based on recognized best practices.
Which diagnostic tools are used?
- Tools used include ESXCLI, vSphere Client, performance charts, log files, and vRealize Log Insight. The emphasis is on a systematic analysis approach based on VMware methodology – not just addressing visible symptoms.
How hands-on is the training?
- The training uses realistic lab scenarios that replicate typical incidents from production environments. Participants work through analysis paths and solution strategies independently – in a structured and traceable way.
Which certifications does the training prepare for?
- The training supports preparation for VCP and VCAP certifications in the area of data center virtualization. In-depth knowledge of fault causes and diagnostic procedures is a key component of the relevant exams.
What practical benefit does the training provide?
- Shorter downtime and greater operational stability are the direct outcomes. Systematic analysis methods allow faults to be isolated more quickly, root causes identified more clearly, and effective measures implemented with greater precision.
What sets this training apart from administration courses?
- Administration courses explain features and configuration – this training focuses on where faults arise. The emphasis is on log analysis, root cause investigation, performance diagnosis, and methodical troubleshooting rather than basic setup.
