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Review recommendations for upgrading server roles , known issues , and the upgrade process for Windows Server R2. I already purchased. For example, developers may want to run applications that they developed for Azure on premises — programming symmetry and common development tools between Windows Server and Windows Azure can help achieve this goal. Windows Azure or service providers by allowing for flexible placement of VMs along with the ability to continue using the same IP address. Launch Windows Setup setup.
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Amazon EC2 running Microsoft Windows Server R2 , , R2, and R2 , and is a secure, reliable, and high-performance environment for deploying Windows-based applications and workloads. You can provision instances quickly, and scale up or scale down as you need it, while only paying for what you use. Windows instances are available in multiple Availability Zones in all Regions. Amazon EC2 makes it easy to start and manage your Windows-based instances.
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Install drivers. Monitor and optimize performance. Network performance. Upgrades are subject to the following constraints: If you plan to upgrade Windows Server R2 to a version later than Windows Server R2, you must first perform an upgrade to Windows Server R2, and then perform a second upgrade to Windows Server or later.
Even open file handles are maintained. Offloaded data transfer— This feature came about by applying a key design principle that Windows Azure uses to Windows Server , which is to push work to hardware as much as possible so CPU cycles can be optimally leveraged for the hosted application.
Storage spaces – We routinely provision commodity hardware in our pods thereby making hardware failure a non-event; we wanted to provide enterprise customers with the ability to easily and flexibly provision inexpensive storage. Windows Server enables you to use file servers for even critical workloads like Hyper-V server and SQL with arguably similar reliability and performance characteristics as more expensive storage e.
Multi-tenant environments with isolationServer core – Small footprint with server core so you do not have to worry about updating or fixing unnecessary code, meaning less churning or required reboots for the host.
Hyper-V Network Virtualization – Windows Azure was designed from the ground up to be multi-tenant environment with isolation given that it hosts apps and infrastructure that belongs to different customers. Over time, it became increasingly evident that this same requirement would be pertinent to enterprises implementing cloud infrastructure albeit at smaller scale given the need to distinguish between infrastructure allocated to different departments, integrating infrastructure from acquisitions, assigning costs etc.
We then built the ability to isolate networks logically in multi-tenant enterprise environments with Hyper-V using similar architectural considerations. Software-defined NetworkingHyper-V Network Virtualization – The network virtualization features within Windows Azure and Windows Server enable customers to easily extend their on-premises datacenters into third party datacenters e. Windows Azure or service providers by allowing for flexible placement of VMs along with the ability to continue using the same IP address.
Policy based Automation Cluster aware updates CAU — Windows Server lowers downtime by coordinating software updates on all servers in a failover cluster while maintaining continuous availability as appropriate. For example, in case of applications with continuous availability features such as Hyper-V with live migration, or an SMB 3. This is very similar to Windows Azure which offers the ability to maintain high availability for its cloud services e.
Dynamic optimization — System Center – Virtual Machine Manager provides the ability to load balances the resources within a host cluster automatically using a policy based approach e. Such policy based automation is implemented by the Windows Azure Fabric Controller too using various load balancing approaches.
Application elasticity Service templates— Similar to how an application owner or developer can specify application instance counts and scale thresholds in Windows Azure, service templates in System Center enable application owners to specify similar parameters that enable scaling the application once relevant thresholds are reached. Your budgets usually are staying about the same. If you are an ITPro in an enterprise, you are really trying to get ahead of some of the mundane tasks that are simply keeping the lights on in your datacenter, and instead focus on impactful projects that can help your organization achieve a substantial competitive advantage in the market, while being a great partner to your applications owners.
If you are an ITPro in a service provider organization, you are likely mostly concerned about how to differentiate your offerings so you can better compete with the Googles and Amazons of the world.
Being able to quickly offer new, value-add application services while keeping laser focus on your costs will make your business more successful. Windows Server R2 builds on that familiarity. With Windows Server R2, you gain all the Microsoft experience behind building and operating private and public clouds, delivered as an enterprise-class, simple and cost-effective server and cloud platform. Windows Server R2 delivers significant value around the following seven key capabilities:Server virtualization.
Windows Server R2 is a virtualization platform that has helped organizations of all sizes realize considerable cost savings and operational efficiencies. With industry leading size and scale, Hyper-V is the platform of choice for you to run your mission critical workloads. Hyper-V in Windows Server R2 greatly expands support for host processors and memory.
Using Windows Server R2, you can take advantage of new hardware technology, while still utilizing the servers you already have. This way you can virtualize today, and be ready for the future. Windows Server R2 was designed with a strong focus on storage, from the foundation of the storage stack up, with improvements ranging from provisioning storage to how data is clustered, transferred across the network, and ultimately accessed and managed.
Windows Server R2 offers a wide variety of high-performance, highly available storage features and capabilities, while taking advantage of industry-standard hardware for dramatically lower cost. Windows Server R2 makes it as straightforward to manage an entire network as a single server, giving you the reliability and scalability of multiple servers at a lower cost.
Automatic rerouting around storage, server, and network failures enables file services to remain online with minimal noticeable downtime. Servermanagement and automation. Windows Server R2 enables IT professionals to meet the need for fast, continuous and reliable service within their datacenters by offering an integrated platform to automate and manage the increasing datacenter ecosystem. Windows Server R2 delivers capabilities to manage and automate many servers and the devices connecting them, whether they are physical or virtual, on-premises or off, and using standards-based technologies.
Web and application platform. Windows Server R2 builds on the tradition of the Windows Server family as a proven application platform, with thousands of applications already built and deployed and a community of millions of knowledgeable and skilled developers already in place. Windows Server R2can offer your organization even greater application flexibility.
You can build and deploy applications either on-premises or in the cloud—or both at once, with hybrid solutions that work in both environments. Access and information protection. With the new capabilities in Windows Server R2, you will be able to better manage and protect data access, simplify deployment and management of your identity infrastructure on-premises and across clouds, and provide your users with more secure remote access to applications data from virtually anywhere and any device.
Virtual desktop infrastructure. VDI technologies in Windows Server R2offer easy access to a rich, full-fidelity Windows environment running in the datacenter, from virtually any device. With Windows Server R2, it is now easier than ever for organizations to take advantage of the cost savings of virtualization and make the optimum use of server hardware investments by consolidating multiple server roles as separate virtual machines.
You can use Hyper-V to efficiently run multiple operating systems — Microsoft Windows, Linux, and others — in parallel, on a single server. IT demands: Support for demanding, critical business workloadsThis means IT wants bigger, better, faster and more available virtual machines; IT also wants to use their new servers as they come out and be able to fully leverage the raw power that the servers provide.
WS12R2 delivers: Enterprise-class scale and performanceYou can achieve greater densities and run more demanding workloads through the scale and performance improvements of Windows Server R2. Within your organization, as you virtualize more of your infrastructure, you need to have a platform, a hypervisor, that can support your most demanding workloads. Then, as you adopt newer hardware, you will need to be able to utilize the advancements within the hardware to the fullest, without losing the capability of the existing investments in infrastructure you already have.
The new VHDX format in Windows Server is better suited to address the current and future requirements for running enterprise-class workloads. It has much larger capacity and additional resiliency. VHDX supports up to 64 terabytes of storage. It also provides additional protection from corruption from power failures by logging updates to the VHDX metadata structures and prevents performance degradation on large-sector physical disks by optimizing structure alignment. IT demands: Increased flexibility to move resources and workloadsThis means IT wants the flexibility to move virtual machines wherever it would be best to run them whether on premises or at a Service Provider.
It also includes the ability to offer VM guests flexible clustering options. WS12R2 delivers: Virtual Machine MobilityWindows Server R2 allows you to manage virtual machines independently of their underlying physical infrastructure.
It also enables you to handle changes in resource demand as they occur and gives you the ability to rebalance running virtual machines either through the servers which the VMs reside on, or the storage resources used by the virtual machines.
This is useful, for example, in a branch office where you may be storing the virtual machines on local disk, and you want to move a VM from one node to another.
This is also especially useful when you have two independent clusters and you want to move a virtual machine, live, between them, without having to expose their shared storage to one another.
Unlike competing guest clustering that does not support file-based storage, shared VHDX files can be stored on a scale-out file server cluster or on Cluster-shared Volumes CSV on block storage. Unlike competing guest clustering options, shared VHDX clustering preserves dynamic memory, live migration and storage live migration for a VM that is part of the guest cluster.
It also allows an administrator to easily test the replica virtual machine without disrupting the ongoing replication. If a disaster occurs at the primary site, administrators can quickly restore their business operations by bringing up the replicated virtual machine at the Replica site. IT demands: Leverage existing cross-platform investmentsMany enterprises and service providers are running a mix of hypervisors, operating systems and applications.
Often times, migrating from one platform to another, if even a goal, is either not easily feasible from a technical standpoint, or a much bigger project than IT organizations are willing to take on. WS12R2 delivers: First-class citizen guest support for LinuxWindows Server R2 has been designed to support a heterogeneous datacenter and cloud infrastructure by adding comprehensive functional support for Linux guests running on top of Hyper-V. A number of improvements were made for Windows guests in Windows Server , and new in Windows Server R2, these improvements are now also available to Linux guests running on top of Hyper-V; they include:Minimum memory setting — being able to set a minimum value for the memory assigned to a virtual machine that is lower than the startup memory settingHyper-V smart paging — which is paging that is used to enable a virtual machine to reboot while the Hyper-V host is under extreme memory pressureMemory ballooning — the technique used to reclaim unused memory from a virtual machine to be given to another virtual machine that has memory needsRuntime configuration — the ability to adjust the minimum memory setting and the maximum memory configuration setting on the fly while the virtual machine is running without requiring a reboot.
Linux Integration Services included in key standard distrosUp until now, if you wanted to take advantage of Linux Integration Services LIS for your Hyper-V environment, you had to go to the Microsoft download center, download the correct LIS package for your Linux distribution, and then manually install it on your Hyper-V servers.
Lets consider a simplistic scenario:You have a client and server. You assimilate all these packets into the k data that you asked for and send it back up. All this takes CPU resources.
You cant send the entire k at once no matter how fast your NIC is. You still have to chop it down into small packets and send it up and down the stack. Your CPU is just busy doing this over and over again. How does it work — I need to read k of data. First I find out a place in memory where that data should reside, then I register that with the NIC and get a token back. I send this token back to the other side through SMB direct and say I need to read k of data.
So the two NICs actually do the transfer. The two CPUs are now busy doing something else. RDMA can be incredibly fast — ms latency when doing transfers.
This means that live migrations can now take advantage of high-speed networking, and they can also stream over multiple networks for improved bandwidth. This copy is performed by transferring the contents of the VHD between the two servers over the IP connection between the Hyper-V hosts.
Note: This slide is animated and has 1 clickDynamic Memory was introduced with Windows Server R2 SP1 and is used to reallocate memory between virtual machines that are running on a Hyper-V host. Improvements made within Windows Server Hyper-V includeMinimum memory setting — being able to set a minimum value for the memory assigned to a virtual machine that is lower than the startup memory settingHyper-V smart paging — which is paging that is used to enable a virtual machine to reboot while the Hyper-V host is under extreme memory pressureMemory ballooning — the technique used to reclaim unused memory from a virtual machine to be given to another virtual machine that has memory needsRuntime configuration — the ability to adjust the minimum memory setting and the maximum memory configuration setting on the fly while the virtual machine is running without requiring a reboot.
Because a memory upgrade requires shutting down the virtual machine, a common challenge for administrators is upgrading the maximum amount of memory for a virtual machine as demand increases. Because of an increase in the size of the databases, the virtual machine now requires more memory.
In Windows Server R2 with SP1, you must shut down the virtual machine to perform the upgrade, which requires planning for downtime and decreasing business productivity. With Windows Server , you can apply that change while the virtual machine is running. Then, the Hot-Add memory process of the VM will ask for more memory and that memory is now available for the virtual machine to use.
Note: This slide is animated and has 2 clicksHyper-V Smart Paging is a memory management technique that uses disk resources as additional, temporary memory when more memory is required to restart a virtual machine. This approach has both advantages and drawbacks. It provides a reliable way to keep the virtual machines running when no physical memory is available.
However, it can degrade virtual machine performance because disk access speeds are much slower than memory access speeds. To minimize the performance impact of Smart Paging, Hyper-V uses itonly when all of the following occur:The virtual machine is being restarted. No physical memory is available.
No memory can be reclaimed from other virtual machines that are running on the host. Hyper-V Smart Paging is not used when:A virtual machine is being started from an off state instead of a restart. Oversubscribing memory for a running virtual machine would result. A virtual machine is failing over in Hyper-V clusters. Hyper-V continues to rely on internal guest paging when host memory is oversubscribed because it is more effective than Hyper-V Smart Paging.
With internal guest paging, the paging operation inside virtual machines is performed by Windows Memory Manager. Windows Memory Manager has more information than does the Hyper-V host about memory use within the virtual machine, which means it can provide Hyper-V with better information to use when it chooses the memory to be paged. Because of this, internal guest paging incurs less overhead to the system than Hyper-V Smart Paging.
In this example, we have multiple VMs running, and we are restarting the last virtual machine. Normally, that VM would be using some amount of memory between the Minimum and Maximum values. In a hybrid cloud world, customers are looking at their datacenters as datacenters without boundaries — i. To enable hybrid clouds for them, they need networking infrastructure that scales to growing demand and changes and that can support workload mobility cross datacenters.
WS12R2 delivers: Software-defined network infrastructureSoftware-defined networking enhances the management of modern networks by providing the ability for applications to control access to network resources dynamically. A key enabler of SDN is that it uses networking functionality that has been moved to the virtual switch, providing the ability to modify packets in transit and enabling integration of more advanced switch extensions. Finally, SDN also brings the benefit of unifying the management of both the physical and virtual infrastructure.
On the same physical network, with Hyper-V Network Virtualization, you can run multiple virtual network infrastructures and you can have overlapping IP addresses with each virtual network infrastructure acting as if it was the only one running on the shared physical network infrastructure.
Cross-premises connectivity enables enterprises to connect to private subnets in a hosted cloud network. It also enables connectivity between geographically separate enterprise locations. However, some of the limitations of this feature were that you needed one gateway per tenant two for HA , you could only do host-level clustering, there were limited routing capabilities and a lack of Internet NAT.
In Windows Server , the hoster would have to provide a separate server to server S2S virtual private networking VPN virtual machine for each customer or implement a third-party multi-tenant VPN gateway.
Now with Windows Server R2, you no longer require a separate third-party multi-tenant VPN gateway, as this feature is now built in to the operating system. This function can provide a seamless connection over a S2S VPN link between multiple external organizations and the resources that those organizations own in a hosted cloud.
It also enables connectivity between physical and virtual networks, enterprise data centers, and hosting organizations, and between enterprise networks and Windows Azure. High availability is provided through guest clustering using a hot standby node available. A dynamic link library ensures any routing configuration is synced from the active node to the hot standby, and when the standby becomes active, the routing configuration is applied. With the explosion of datacenters the need to automate management of such devices in a consistent way is more important than ever.
As a continuation of this effort, Windows Server R2 includes a device management abstraction layer — referred to as the datacenter abstraction layer DAL – that further reduces the complexity of heterogeneous device management. Windows Server R2 will allow customers to 1 enable device management using a common abstraction layer, working over standard protocol and schema; 2 move from a complex datacenter device world into a world of well-defined, standard based components; and 3 build ready to use solution for device management right in Windows.
IT demands: Continuously available and resilient network infrastructure:IT needs to help ensure that services are running continuously without any interruption. This means that there is automatic recovery from both software and hardware failures, with the need for an IT Pro or network administrator to fix issues in the middle of night now eliminated.
WS12R2 delivers: High-performance networking:Customers want to get the best performance out of the hardware they have — whether they are industry standard hardware or high end hardware that they have already invested in. Poor network performance are primarily because of two reasons — limitations in network bandwidth, limitations in the processing power -, and these typically affect availability and resiliency of the network infrastructure directly.
A considerable amount of work has been done in Windows Server R2 to extract great and predictable performance inbox, as well as to make the most out of next generation hardware. SR-IOV works in conjunction with system chipset support for virtualization technologies that provide remapping of interrupts and Direct Memory Access, and allows SR-IOV-capable devices to be assigned directly to a virtual machine.
This increases network throughput and reduces network latency while also reducing the host CPU overhead required for processing network traffic. You can configure your systems to maximize the use of host system processors and memory to effectively handle the most demanding workloads. These Hyper-V features let enterprises take full advantage of the largest available host systems to deploy mission-critical, tier-1 business applications with large, demanding workloads.
And unlike with competitive implementations of SR-IOV, key features such as live migration, high availability and fault tolerance are still supported. WS12R2 delivers: Improved manageability and diagnostics:Windows Server R2 builds on the networkingadvances in Windows Server with an array of new and enhanced features that help reduce networking complexity while lowering costs and simplifying management tasks. With Windows Server R2, IT administrators have tools to automate and consolidate networking processes and resources.
Among other things, new features and updates in Windows Server R2 include:Resource metering:Hyper-V in Windows Server R2 helps providers build a multitenant environment in which virtual machines can be served to multiple clients in a more isolated and secure way. Because a single client may have many virtual machines, aggregation of resource use data can be a challenging task.
However, Windows Server R2 simplifies this task by using resource pools, a feature available in Hyper-V.