Azure Centric

0

Dynamic Optimization on SCVMM 2012

SCVMM 2012 introduced the ability to constantly monitor and rebalance load on clusters by using “Dynamic Optimization”.  How Dynamic Optimization works, will help understand its behavior and get the most out of this feature. What does Dynamic Optimization do?  Simply put, it searches for live migrations within a Host Cluster that will improve the overall health of the cluster.  “Health” describes two main facets – Host load and VM configuration....

4

Multitenant security and isolation with Hyper 2012

Virtualized data centers are becoming more popular and practical every day. IT organizations and hosting providers have begun offering infrastructure as a service (IaaS), which provides more flexible, virtualized infrastructures to customers—“server instances on‑demand.” Because of this trend, IT organizations and hosting providers must offer customers enhanced security and isolation from one another. If you’re hosting two companies, you must help ensure that each company is provided its own privacy...

0

Hyper-V Replica Communications Architecture

Hyper-V Replica Communications Architecture The Hyper-V Replica communications architecture is implemented at the Hyper-V Replica Network transport layer.  This layer provides a bi-directional transport channel based on the HTTP Client-Server model to send virtual machine replicas and control messages between Primary and Replica servers.  Replica Network Services is responsible for authorizing access to a Replica server and mutually authenticating the Primary and Replica servers.  It also provides the ability to...

0

Hyper-V Replica Component Architecture

As already mentioned, Hyper-V Replica is new functionality that is included as part of the Hyper-V role in Windows Server 2012.  The main components are: Hyper-V Replica Management Interface Hyper-V Replica PowerShell Objects Hyper-V Replica WMI API Hyper-V Replica Replication Manager (RM) Hyper-V Replica Replication Tracker (RT) Hyper-V Replica Networking Hyper-V Replica Broker Manager Hyper-V Replica Management Layer The Hyper-V Manager interface is used to configure, manage, and monitor Hyper-V...

0

Extending the Hyper-V Extensible Switch

Before Windows Server 2012 Many enterprises need the ability to extend virtual switch features with their own plug-ins to suit their virtual environment. If you’re in charge of making IT purchasing decisions at your company, you want to know that the virtualization platform you choose won’t lock you in to a small set of compatible features, devices, or technologies. With Windows Server 2012 The Hyper‑V Extensible Switch in Windows Server...

0

Enabling the Firewall rules in the Hyper-V Replica Server

On a standalone Replica server, if Kerberos based authentication is used, follow these steps to make the required exception in the Windows Firewall: 1.      Open Windows Firewall with Advance Security and click on Inbound Rules 2.      Right-click on Hyper-V Replica HTTP Listener (TCP-In) and click Enable Rule On a standalone Replica server, if Certificate based authentication is used, follow these steps to make the required exception in Windows Firewall: 1.     ...

1

Implementing Self-signed Certificates in Hyper-V Replica

On the Primary Server Copy the makecert.exe utility locally. Run the following elevated command to Create a self-signed root authority certificate makecert -pe -n “CN=PrimaryTestRootCA” -ss root -sr LocalMachine -sky signature -r “PrimaryTestRootCA.cer” The command installs a test certificate in the root store of the local machine and is saved as a file locally Run the following elevated command to create a new certificate signed by the test root authority...

0

“Share nothing” Live Migration with Hyper-V 2012

When you perform a live migration of a virtual machine between two computers that do not share an infrastructure, Hyper‑V first performs a partial migration of the virtual machine’s storage, as shown in the figure below.   Hyper‑V performs the following steps: Throughout most of the move operation, disk reads and writes go to the source virtual hard disk. While reads and writes occur on the source virtual hard disk,...

0

Free, simple, standalone tool to migrate vms from a VMware environment to Hyper-V in Windows Server 2012

With Windows Server 2012 RTM version available for all customers around the world, there is great news for organizations that are looking for a way to migrate virtual machines hosted on VMware vSphere to the Hyper-V host in Windows Server 2012. The production (RTW) version of the Microsoft Virtual Machine Converter (MVMC) and the Beta version of the VMware console plugin version are both available to download. MVMC is one...

0

Hyper-V Replica

Before Windows Server 2012 Beginning with Windows Server 2008 R2, Hyper-V and Failover Clustering can be used together to make a virtual machine highly available and minimize disruptions.  Administrators can seamlessly migrate their virtual machines to a different host in the cluster in the event of outage or to load balance their virtual machines without impacting virtualized applications.  While this can protect virtualized workloads from a local host failure or...