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Browsing Posts tagged Hyper-V

Windows Server 2012 – Networking optimizations

25 October 2012
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Reading Time: < 1 minuteNetwork tuning and offload Performance Tuning Guidelines for Windows Server 2012 (DOC) Network Subsystem Performance Tuning Networking Adapter Performance Guidelines (on Windows Server 2008 R2, but still good) Specific technologies Registered I/O Networking Extensions (RIO): Microsoft site, alternative site Virtual Machine Queue (VMQ) IPsec Task Offload Single Root I/O Virtualization (SR-IOV): Overview of Single Root I/O Virtualization (SR-IOV), What is SR-IOV? (Scott Lowe’s Blog), PCI SIG Specifications Windows Server 2012 Hyper-V & Data Centre Bridging (DCB)

Microsoft, vNetworking , ,

Windows Server 2012 – Storage considerations

25 October 2012
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Reading Time: 2 minutesWith the new Windows Server 2012 there are several improvements in the storage part, expecially when we apply to a Hyper-V enviroment. The main news on the storage part, is that now is possible build a Windows Fail-Over Cluster with a shared SMB3 share and use it for store VMs (in a similar way as NFS could be use to NAS connectivity on a VMware vSphere cluster). Also a specific function (Virtual Fibre Channel) as been added to map a FC SAN LUN directly to a VM (similar to the same function in VMware vSphere). […]

Microsoft, vStorage , ,

Veeam announces new products

9 October 2012
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Reading Time: 2 minutesAfter few months after the Veeam Backup & Replication v6.1 announce (one year after the v6.0 announce), today Veeam has announced the new release of their products. Backup & Replication v6.5 New support matrix for recent virtualization products:

Veeam ,

Convert virtual disk format – VMDK to VHD

Reading Time: < 1 minuteIn the previous post we have discuss on how convert from VHD (used for example in Microsoft Hyper-V) to VMDK format (used in VMware products). Now let’s see how to convert from the other side. There are several tools to make this V2V operation:

Microsoft, VMware, vStorage

Convert virtual disk format – VHD to VMDK

Reading Time: < 1 minuteAs you probably already know a VM is incapsulated with a set of files that define VM properties and objects. Some of those files are the virtual disks files and each vendor use its own format: VMware use the VMDK and Microsoft & Citrix use the VHD format. Note that there could be more sub-types (for example for the VMDK files, but we will explain in future posts). To convert between different format you can use some kind of converter to perform a virtual to virtual (V2V) task.

Microsoft, VMware, vStorage

Analysis of different hypervisors

21 March 2012
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Reading Time: 4 minutesI’ve read some posts (see in the bottom of this post for the references) and I notice how the  hypervisor comparison and choosing criteria are still a interesting trend and not only a marketing battle between different vendors (and maybe there will be more interest will be on this aspects with the release of Windows Server 8). But in several cases the comparison is limited to the hypervisor technical characteristics (and I’ve already written something about Hyper-V 3.0, XenServer 6.0 and RHEV 3.0) without considering (except in some cases) that the those are only one […]

General, Highlights , , ,

Virtualization ecosystem is becoming multi-hypervisor

6 February 2012
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Reading Time: 3 minutesOne trend in the last year(s) is that the virtualization ecosystem is growing outside the boundary where was born: historical partner vendor of VMware now are extending their solution to other hypervisors, and also also new products are designed to managed a more complex virtual environment. This was also called “Hypervisor Agnosticism” in a VKernel post. We do not talk about interoperability across different hypervisors, but simple use same tools, especially for management, monitoring and data protection, for more type of products. Does it make sense? For a single customer maybe not… have multiple environment […]

Citrix, Highlights, Microsoft, RedHat, VMware , ,
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