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vSphere Update Manager overview

VMware provides multiple ways to upgrade or patch your vSphere environment. Which includes vSphere Update Manager, Command Line method & Direct ISO method. In this post we will see about VMware Update Manger & How it will help you to update,  upgrade & patch your vSphere environment without any downtime. VMware recommends to use the Update Manager to upgrade & patch your vSphere environment.

vSphere Update manager enables centralized patch & update management of your vSphere components.

Update Manager can do following Tasks:

  • Upgrade and Patch ESXi Hosts
  • Upgrade VMware Tools
  • Upgrade Virtual Appliances
  • Upgrade virtual machine hardware

vSphere Update Manager is integrated with vCenter Server so that you can directly perform upgrade or patch activities on vSphere. You will find the Installation option for Update Manger in vCenter Server installation media.

Once you install vSphere Update Manger you need to register vCenter Server into Update Manager so that you can upgrade or patch ESXi Hosts, VMware Tools. After installation you will see the Update Manager Plug-in in the vSphere web client or vSphere Desktop Client which one you will be using.

There are certain system requirements you need to follow to install & use the vSphere Update Manager:

Networking Requirements: Minimum 10/100 Mbps (For best performance use gigabit connection between Update Manager & ESXi hosts.)

Memory Requirements:  2GB RAM if VUM & vCenter Server installed on different machine.
8GB RAM if VUM & vCenter Server installed on same machine.

Operating System Requirements: Windows Server 2008 R2 64-bit & Later.

Disk Space Requirements: It is recommended to have at least 120GB of free disk space for patching repository.

Database Requirements: SQL server or Oracle Databases are supported. If you have very small environment consisting of less than 5 hosts & 50 virtual machines then you can use embedded SQL Server 2012 Express. For larger environments it is recommended to use external databases.

Update Manager requires network connectivity with vCenter Server. Each Update Manager must be registered with single vCenter Server instance. If you have multiple vCenter Server then you need to install another Update Manager instances per vCenter Server.

vSphere Update Manager consists of 4 Step process:

Attach Baseline: You need to attach the Baseline or Baseline groups to your Hosts or Cluster in order to check for updates. Using this option you can do that.

Scan for Updates: Once you attach the Baseline you can scan the host or cluster for updates. After scanning you will get the result as compliant or non compliant. If your hosts are compliant then you have all the latest patches installed. If the status is non compliant then it’s time to patch your ESXi hosts.

Stage Patches: Stage Patches will help you to directly copy the patching files onto ESXi hosts. Once you stage patches you can start the update process.

Remediate: Remediate is the process by which you will be installing the patches & updates. You can run the Remediate right now or you can also schedule it for the specific time.

For upgrading ESXi hosts first you need to check the compatibility & you will require the appropriate images of ESXi or you can also directly import ESXi images into Update Manager.

 

Checkout Our Posts on vSphere Update Manager:

vSphere Update Manager Overview

How to Install vSphere Update Manager Step by Step ?

How to Patch ESXi hosts using VUM Step by Step ?

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About Mayur Parmar

Hi I am Mayur Parmar. Independent Author & Founder of Mastering VMware. I am working in IT industry for more than 2 Years with knowledge of VMware , Microsoft Server's, Linux Server's.

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2 comments

  1. Great Artical!!

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