Disk consolidation: Unable to access file

Last week a customer called me with a strange behavior of some VMs. He noticed that his backup software (HP Data Protector) left snapshots on some VMs. After he manually removed it, he got the message “Virtual machine disk consolidation is needed”. Starting the consolidation process always ended up with the pop-up you can see […]

VMware SRM 5 & EMC² PowerPath/VE 5.7

Some month ago I run into a problem with EMC PowerPath/VE 5.7 and VMware Site Recovery Manager 5.  After I successfully performed some test failover the cleanup process stuck by fact a single host couldn´t finish the rescan process during detaching the datastores. This lead into serious problems with the affected host. It became unavailable […]

vSphere 5.1: The new Web-Client

Without a doubt one of the biggest changes  with the new vSphere 5.1 release is the changeover to the web-client. Even if the “old” Windows-client still exists, the web-client is now seen as the new main-interface. Last year VMware released the first version of the web-client together with vSphere 5.0. In this version it wasn´t […]

vSphere 5.1: Getting started with vSphere Replication 5.1

With the release of vSphere 5.1 today VMware integrated vSphere Replication into the basic product, without the need of buying any separate license. Only with the Essential Kit you will not have access to it. Last year vSphere Replication was released and already build into vSphere 5.0, but you needed to buy VMware Site Recovery […]

vSphere 5.1: Quick Start with nested Lab-Environment

You surely noted that vSphere 5.1 got released some hours ago 🙂 If you now want to get it installed as fast as possible a nested lab will be the best choice! To get started of course you first need to download the new files, which you will find here. Make sure you download ESXi […]

How to setup MS SQL 2008 R2 for VMware vCenter – Part 2

The second post of this series shows you how to configure Microsoft SQL Server 2008 R2 for the use with VMware vCenter Server. How to setup MS SQL 2008 R2 for VMware vCenter – Part 1 How to setup MS SQL 2008 R2 for VMware vCenter – Part 2 << 1.) After you installed the […]

How to setup MS SQL 2008 R2 for VMware vCenter – Part 1

In this post I provide a step by step installation guide for MS SQL Server 2008 R2, which provides a database for VMware vCenter. This guide also applies for other VMware products like Site Recovery Manager (SRM), VMware Update Manager (VUM) etc., which requires a database. During the next days a second post will follow […]

Never ending story: EMC CX4 & VAAI on vSphere 5

If you are using a CX4 model of EMC´s previous storage systems you certainly noticed that no CX4 model got listed for VAAI-support on VMware HCL in combination with vSphere 5. After many people were searching a long time for a “Why?” in VMware & EMC forums, Chad Sakac (SVP EMC Global Systems Engineering, aka […]

SRM Tutorial Part 9: Advanced configuration & troubleshooting

This is the last part of my SRM tutorial. Finally I will show you some advanced configuration in addition to the basic setup & configuration of the last steps. Also I will go through some common errors in the troubleshooting part on the end of this post. SRM Tutorial Part 1: Lab setup SRM Tutorial […]

SRM Tutorial Part 8: Configuration #2

With the end of the last part the SRM lab environment is now ready to use. This part of the tutorial shows you the last steps of the SRM configuration, which are required to run a failover between the two sites. SRM Tutorial Part 1: Lab setup SRM Tutorial Part 2: Components & design SRM […]