Bhargav's IT Playground

Disk performance information missing on Windows 2012 R2 – Blast from the past!

Posted by in Windows Server

Recently, I replaced a disk in my iScsi NAS. Since I wasn’t using any RAID on the disk I was replacing, I decided to copy data from old volume to new using robocopy. As my copy continued in the background, I curiously turned to the performance tab of task manager: As you may notice in the screenshot above, there was no disk information in the performance tab! I had a chuckle when I saw that. I remembered by Windows 2000 days and the trusty diskperf command. You can reference diskperf…read more

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Step-by-Step Configure DHCP Failover with 2012 R2 – Part 2

Posted by in Windows Server

In Part 1, I provided with walk through of how to install DHCP and configure scope on your newly installed DHCP server. In this post, we are going to setup failover between two servers. I am assuming that two DHCP servers are installed and a scope is configure already. So let’s go ahead and configure failover for given scope: In the resulting dialog, you can either select all scopes that exist or select scopes you want to provide failover for: On next page, you need to provide partner server. This…read more

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Step-by-Step Configure DHCP Failover with 2012 R2 – Part 1

Posted by in Windows Server

Many times in my past years of IT, I wanted to have DHCP load balancing and high availability. It was possible by creating non-overlapping scopes etc. but that was all manual labor of making sure you don’t have overlap and all the headache that comes with careful planning and monitoring. the other option was to create clustered DHCP service. Well, that was convoluted too! Not sure why, but I always disliked the idea of having to maintain two machines with shared storage and other requirements. That’s why I liked how Exchange 2010…read more

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Routing for Hyper-V Lab – Part 2

Posted by in Hyper-V, Windows Server

In Part 1 of this article, we discussed how you can route between VMs on same host using networks connected to “Internal” virtual switch. Now let’s look at how to route between VMs when your lab consists of more than one hosts. Obviously, what I am going to cover isn’t the only way to do this but is one of many. I can certainly go on an on about all other options but I am trying to show the simplest possible one. Lab Setup For this lab, we are going…read more

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Routing for Hyper-V Lab – Part 1

Posted by in Hyper-V, Windows Server

Most of us IT Pros usually have a lab of some kind. Mostly running some form of virtualization and if you are Microsoft savvy, chances are you are running Hyper-V either on Windows 7/8 pro edition so you can carry your lab around with you or have a Windows Server with Hyper-V. When we try to mimic real world complexities in these labs, routing becomes one essential component of these labs. Most of the times we are squeezed for resources and if you are like me, you would like to…read more

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