#VMware #vSphere Update Manager on the vCenter Server Appliance

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The vCenter Server Appliance has come a long way since its release in 5.0.  It’s gone from “I think it will be a good solution for my lab” in 5.0 to “wow, I can support as many hosts and clusters as Windows!” in 6.0.   6.5 introduces the new era of vCenter, with the vCenter Server Appliance becoming the go to for all of your vCenter deployments.  While there’s a whole slew of new features the vCenter Server Appliance brings to the table in 6.5, let’s talk about one of my favorites, Update Manager, fondly known as VUM.

VUM has been around for quite some time, and has evolved since the 1.0 days, with most of the core functionality in tact.  VUM seeks to provide administrators with an easy way to upgrade their ESXi hosts, and provides the bonus of VMware tools and virtual hardware upgrades.  Upgrading ESXi hosts can be something which falls by the wayside in many organizations, especially if the environment “runs just fine!”.

Until now, VUM had to be deployed on a Windows based server (either on the vCenter server itself, or a separate server based on the size of your environment).  Another long standing issue was the C# client was needed for some VUM activities.  While vSphere 6 brought some abilities to the web client, the bulk of remediation was still done inside of the C# client.  This had the potential to impact the adoption of both VUM (No, we want to use the Web Client as much as possible!) and the vSphere Web Client (Why bother if we still need the C# client for VUM?).  Luckily, vSphere 6 U1 brought us the full set of capabilities we needed to get to the world of the Web Client.  That, however, doesn’t mean every organization adopted vSphere 6 U1.

With vSphere 6.5, we’ve got it all.  Fully functional integration to the Web Client, and fully functional integration into the vCenter Server Appliance.  There are many, many compelling reasons to move to the VCSA with vSphere 6.5, and there’s even a migration utility to make that move.  The most compelling for many is native vCenter High Availability with the VCSA only.  That’s right, no more need to battle with the age old question, “What happens if vCenter fails?”.  One important fact to note is that High Availability is not the same as Disaster Recovery, which Emad Younis mentions in his VCSA 6.5 What’s New Rundown, which may put you over the edge if you are on the brink of moving to VCSA.

When you deploy the VCSA 6.5, VUM is deployed and enabled by default with your installation, which is then easily managed by the new and improved vSphere Web Client.  In this case, VCSA will share the same vPostgres database with VUM, however each component will have its own instance.  If you need to restart the VUM service for any reason, that can be done easily from the Web Client.  This takes the management of VUM to the next level from previous versions.  VUM is also capable patching vSphere 5.5 and 6.0 hosts, as well as upgrading them to vSphere 6.5 to start you on your migration journey.

Speaking of your journey to vSphere 6.5, there’s good news if you’re running Windows based vCenter or VUM…or even if you’ve already migrated to VCSA and are using VUM on a Windows server (as long as you’re using a 64 bit version).  If you’re already running VCSA, the migration from 6.0 to 6.5 will handle your VUM migration for you.  You can find the supported migration configurations in the VMware vSphere 6.5 Documentation Center.

vSphere Update Manager 6.5 integration to the vCenter Server Appliance will certainly help those organizations who haven’t yet seen the benefits of VUM.  For those already using it, it will enable them to streamline their vSphere operations even further.  Stay tuned for more details as the adoption of vSphere 6.5 begins!

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