Book Image

VMware vSphere 5.1 Cookbook

By : Abhilash G B
Book Image

VMware vSphere 5.1 Cookbook

By: Abhilash G B

Overview of this book

Amidst all the recent competition from Citrix and Microsoft, VMware's vSphere product line is still the most feature rich and futuristic product in the virtualization industry. Knowing how to install and configure vSphere components is important to give yourself a head start towards virtualization using VMware. If you want to quickly grasp the installation and configuration procedures, especially by using the new vSphere 5.1 web client, this book is for you.VMware vSphere 5.1 Cookbook will take you through all the steps required to accomplish a task with minimal reading required. Most of the tasks are accompanied with relevant screenshots with an intention to provide a visual guidance as well.The book has many useful recipes that will help you progress through the installation of VMware ESXi 5.1 and vCenter Server 5.1. You will learn to use Auto Deploy and Image Profiles to deploy stateless/stateful ESXi servers, configure failover protection for virtual machines using vSphere HA, configure automated load balancing using vSphere DRS and DPM. Finally, the book guides you through upgrading or patching ESXi servers using VMware Update Manager and also deploying and configuring vSphere Management Assistant (VMA) to be able to run scripts to manage the ESXi servers.
Table of Contents (20 chapters)
VMware vSphere 5.1 Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Unmasking paths to a LUN


It is possible to unmask paths to a LUN. This is done by deleting the claim rules that are using the MASK_PATH and unclaiming the paths from the plugin. Understanding how the paths to a LUN are masked will be a good starting point for this task. Refer to the recipe Masking paths to a LUN before you begin.

How to do it…

The following procedure will help you mask paths to a LUN:

  1. Identify the claim rules corresponding to the LUN and remove them.

    Syntax:

    esxcli storage claimrule remove –r <rule ID>
    

    We know that the rule IDs are 120 and 121 from the recipe Masking paths to a LUN.

    Commands to be executed:

    esxcli storage core claimrule remove -r 120
    esxcli storage core claimrule remove -r 121
    
  2. Now that the rules are deleted from file, reload the claim rules to the memory to remove the runtime entries. Issue the following command to load the rules in the memory:

    esxcli storage core claimrule load
    

    The run time entries for 120 and 121 will be removed from memory because they...