Ascolta

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Learn to troubleshoot virtual machine issues.

This advanced, lab-intensive VMware-authorized course focuses on providing system administrators with the advanced knowledge, skills, and abilities to successfully troubleshoot the VMware® vSphere™ virtual infrastructure. In this course, which meets the training requirement for VMware certification, you will spend most of the time diagnosing and rectifying configuration problems created on VMware ESX™/ESXi hosts and VMware vCenter™ Server systems. You will take home a VMware Troubleshooting Reference Guide.

• Prerequisites

  Following are the prerequisites for this course:

  • Completion of:
    • VMware vSphere: Install, Configure, Manage [V4.1]
    • VMware vSphere: Install, Configure, Manage [V4]
    • VMware vSphere: Manage Availability [V4]
    • VMware vSphere: Manage Scalability [V4]
  • Completion of VMware vSphere: Fast Track [V4]
  • Equivalent knowledge and administration experience with ESX/ESXi and vCenter Server
• Target Audience

  This course is intended for the following audience:

  • System administrators, systems engineers, and help desk personnel who need the knowledge, skills, and abilities to perform advanced troubleshooting of their vSphere deployments
• Course Objectives

  What you will learn:

  • Use the VMware vSphere Client and service console commands to configure or diagnose and rectify problems on ESX
  • Use the vSphere Client and the VMware vSphere Management Assistant (vMA) appliance to configure or diagnose and rectify problems on ESX and ESXi hosts
  • Use ESXi technical support mode to diagnose and rectify problems on ESXi
  • Create and use a network sniffer to capture and display virtual switch network traffic
  • Use the vSphere Client and command-line tools to troubleshoot VMware VMotion™, VMware Storage VMotion, VMware High Availability, and VMware Distributed Resource
• Course Outline

  1. ESXi Command-Line Troubleshooting Methods

  • Install and use the vMA appliance
  • Learn common VMware vSphere Command-Line Interface commands and syntax
  • Configure ESXi technical support mode and SSH access

  2. ESX, ESXi, and vCenter Server Log Files

  • View ESX, ESXi, and vCenter Server log files
  • Configure a centralized ESX/ESXi log host

  3. Network Troubleshooting

  • Identify and configure vNetwork components
  • Configure and use a network traffic sniffer

  4. Management Troubleshooting

  • Troubleshoot vSphere management components

  5. Storage Troubleshooting

  • View, configure, and diagnose storage access problems
  • Configure iSCSI authentication and digests

  6. VMotion Troubleshooting

  • Troubleshoot VMotion and Storage VMotion errors

  7. VMware HA Cluster Troubleshooting

  • Troubleshoot errors with slot calculations, admission control, and host monitoring

  8. DRS Cluster Troubleshooting

  • Troubleshoot errors with shares, pools, and limits

  9. Virtual Machine Troubleshooting

  • Review power-on requirements
  • Troubleshoot virtual machine power-on failures

  10. Graduation Lab

  • Complete a final multi-hour, multi-problem troubleshooting exercise

• Lab Outline

  Lab 1: Installing VMware vSphere Management Assistant

  • Deploy vMA
  • Configure vMA
  • Configure vi-fastpass
  • Create a session file

  Lab 2: Using vicfg Commands in vMA

  • Use the vicfg-mpath command with vi-fastpass authentication
  • Use the vicfg-mpath command with session authentication
  • Use the vicfg-dns command with vi-fastpass authentication
  • Use the vicfg-dns command with session authentication
  • Use the vicfg-vswitch command

  Lab 3: Enabling and Using Technical Support Mode

  • Enable technical support mode
  • Use technical support mode

  Lab 4: Enabling and Using SSH on VMware ESXi Hosts

  • Enable SSH mode on ESXi
  • Use the ESXi shell to execute service console commands

  Lab 5: Using vsish to Examine the VMware ESXi Host Configuration

  • Use vsish to examine ESXi configuration information

  Lab 6: Using Technical Support Model to Examine VMware ESXi Log Files

  • Examine the ESXi main log file
  • Examine the hostd log file
  • Examine the vCenter Server log file
  • Examine the VMware HA log file

  Lab 7: Using the VMware vSphere Client to Examine Log Files

  • Use the vSphere Client to export system logs
  • Use the vSphere Client to configure ESXi log storage
  • Examine the diagnostic bundles

  Lab 8: Basic Troubleshooting

  • Troubleshoot vSphere

  Lab 9: Using vilogger

  • Configure ESX and ESXi hosts to send log data with vilogger
  • Examine collected logs
  • Change vilogger log location
  • Disable vilogger

  Lab 10: Configuring syslog

  • Configure ESX to send syslog traffic
  • Configure ESXi to send syslog traffic
  • Configure vMA as a syslog receiver
  • Test your syslog receiver

  Lab 11: Understanding vSphere Networking Architecture

  • Distributed switch and standard switch capabilities
  • Control plane and I/O plane responsibilities and characteristics
  • Uplink abstraction

  Lab 12: Configuring vCenter Server Distributed Switch Port Timeouts

  • Configure the vCenter Server distributed switch port timeout setting

  Lab 13: Configuring Advanced Networking Features

  • Enable the Cisco Discovery Protocol
  • Configure ephemeral port binding
  • Configure static port binding
  • Configure dynamic port binding
  • Configure reset a disconnect
  • Restore ephemeral binding

  Lab 14: Private VLANs

  • Configure and test PVLANs

  Lab 15: Using Networking Commands, Log Files, and .vmx Files

  • Examine .vmx file entries related to the network configuration
  • Examine net-dvs output
  • Examine esxcfg-vswitch output
  • Relate vmnics to networks
  • Examine esxcfg-firewall output
  • Examine esxcfg-route output
  • Examine the /var/log/vmkernel log during vswif migration

  Lab 16: Examining Network Configuration from vMA

  • Compare vicfg-vswitch output to esxcfg-vswitch output
  • Use the vicfg-vmknic command
  • Use the vicfg-dns command
  • Load and use the dumpDVS.pl script

  Lab 17: Configuring and Using a Network Sniffer

  • Install Wireshark
  • Configure and use Wireshark
  • Use tcpdump

  Lab 18: Troubleshooting Networking Problems

  Lab 19: Troubleshooting Management Problems

  • Troubleshoot management problems caused by misconfigurations

  Lab 20: Understanding the Pluggable Storage Architecture (PSA)

  • PSA components

  Lab 21: Examining and Configuring VMware ESX Storage

  • List all multipathing plug-ins installed on your ESX host
  • Examine devices that have been claimed by the native multipathing plug-in on your ESX host
  • Record information about one of the Storage Array Type Plug-Ins (SATPs) loaded into the NMP
  • Examine the SATP configuration on your ESX host
  • Determine the default PSP and the active path for a specific storage NAA device
  • Change the configuration of the PSP for a storage device

  Lab 22: Examining and Configuring VMware ESXi Storage

  • List all multipathing plug-ins installed on your ESXi host
  • List which devices have been claimed by the native multipathing plug-in on your ESXi host
  • Examine SATPs on your ESXi host
  • Examine a specific storage device on your ESXi host

  Lab 23: Configuring iSCSI CHAP and Digest

  • Configure your ESX host to use iSCSI storage with CHAP authentication
  • Configure your ESX host to use iSCSI storage with digests
  • Examine iSCSI-related log files and diagnostic data

  Lab 24: Configuring iSCSI Port Binding and Multipathing

  • Configure your ESX/ESXi host to use iSCSI binding
  • Configure your ESX/ESXi host to use storage multipathing

  Lab 25: Configuring Path Masking

  • Configure your ESX/ESXi host to use path masking

  Lab 26: Troubleshooting Fibre Channel (FC) SCSI Problems

  • Troubleshoot FC-SCSI storage problems

  Lab 27: Troubleshooting NAS and iSCSI Problems

  • Troubleshoot NAS and iSCSI storage problems

  Lab 28: Troubleshooting VMware VMotion and Storage VMotion Problems

  Lab 29: Troubleshooting vSphere Infrastructure Problems

  • Prepare your VMware HA cluster
  • Troubleshoot vSphere infrastructure problems

  Lab 30: Graduation Lab

  • Troubleshoot a variety of problems causing compound system failures