Back To Basics: Migrating from vSS to vDS in vSphere 6

In this post we will see how to migrate from vSphere Standard Swith to vSphere Distributed Switch. Let’s get started.

Before performing any migration, make sure you have a vDS deployed and fully configured i.e portgroups created, uplinks created, appropriate uplinks

VCAP6-DCV Deploy Objective 3.1

In this post we will cover following topics:

  • Create and manage vSS components according to a deployment plan:
    • VMkernel ports on standard switches
    • Advanced vSS settings
    Configure TCP/IP stack on a host Create a custom TCP/IP stack

VCAP6-DCV Deploy Objective 2.3

Objective 2.3 of VCAP6-Deploy exam covers following topics

  • Analyze and resolve storage multi-pathing and failover issues
  • Troubleshoot storage device connectivity
  • Analyze and resolve Virtual SAN configuration issues
  • Troubleshoot iSCSI connectivity issues
  • Analyze and resolve NFS issues
  • Read More

VCAP6-DCV Deploy Objective 3.4

Objective 3.4 of VCAP6-Deploy exam covers following topics

  • Perform a vDS Health Check for teaming, MTU, mismatches, etc.
  • Configure port groups to properly isolate network traffic
  • Use command line tools to troubleshoot and identify configuration issues
  • Use command

VCAP6-DCV Deploy Objective 7.3

Objective 7.3 of VCAP6-Deploy exam covers following topics:

  • Backup and restore distributed switch configurations

  • Backup and restore resource pool configurations

  • Export Virtual Machines to OVA/OVF format

  • Use a Host profile to recover an ESXi host configuration

Lets

Hardening Virtual Machine Security

Securing virtual machines in a virtualized environment is equally important as securing physical servers. In this post we will learn a few techniques for hardening a virtual machine security. Although its not possible to cover everything in a single post. 

1:

List services registered with SSO in vSphere 6

Method of listing services registered to SSO in vSphere 5.x and 6.x are very different. In vSphere 5.x list of registered services can be found by running command ssolscli.cmd.

In vSphere 6 a new python script “lstool.py” was introduced for this

VCAP6-DCV Deploy Objective 4.3

Objective 4.3 of VCAP6-Deploy exam covers following topics:

  • Analyze and resolve DRS/HA faults
  • Troubleshoot DRS/HA configuration issues
  • Troubleshoot Virtual SAN/HA interoperability
  • Resolve vMotion and storage vMotion issues
  • Troubleshoot VMware Fault Tolerance

We will discuss each topic

VCAP6-DCV Deploy Objective 6.2

Objective 6.2 of VCAP6-Deploy exam covers following topics:

  • Adjust Virtual Machine properties according to a deployment plan:
    • Network configurations
    • CPU configurations
    • Storage configurations
    Troubleshoot Virtual Machine performance issues based on application workload Modify Transparent Page Sharing and

VCAP6-DCV Deploy Objective 6.1

Objective 6.1 of VCAP6-Deploy exam covers following topics:

  • Configure esxtop / resxtop custom profiles
  • Evaluate use cases for and apply esxtop / resxtop Interactive, Batch and Replay modes
  • Use esxtop / resxtop to collect performance data
  • Given esxtop

VCAP6-DCV Deploy Objective 5.4

Objective 5.4 of VCAP6-Deploy exam covers following topics:

  • Create a Global User
  • Create a Content Library
  • Subscribe to a Content Library
  • Configure a Content Library for space efficiency
  • Synchronize a subscribed Content Library

     

VCAP6-DCV Deploy Objective 5.3

Objective 5.3 of VCAP6-Deploy exam covers following topics:

  • Generate vSphere log bundles
  • Configure and test centralized logging
  • Analyze log entries to obtain configuration information
  • Analyze log entries to identify and resolve issues
  • Configure logging levels for vSphere