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Xen Project celebrates 15 years

25 October 2018
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Reading Time: 4 minutes

Recently, during VMworld US 2018, VMware has celebrated the 20 years of the company.

But there is another virtualization project that has a lot of history like VMware: the Xen Project and this October marks our 15th anniversary.

On October 2003, Ian Pratt (founder of the Xen Project) announces the first stable release of the Xen virtual machine monitor for x86, and port of Linux 2.4.22 as a guest OS.

It was one of the most popular open source hypervisors and amasses more than 10 million users; but now there is a clear rise of KVM and also Amazon AWS has announced to adopt a home-brewed KVM as new hypervisor instead of the home-brewed Xen.

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General, Highlights

Veeam Backup VDDK async operation error 14009

24 October 2018
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Reading Time: 2 minutes

Some days ago I’ve got a strange error during the backup job of a vSphere 6.7 (not Update 1) environment with latest version of Veeam Backup & Replication.

The job was starting correctly, VMs have been discoverted, but when the backup start to copy the VMDK the job failed with a “VDDK async operation error 14009” message.

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Veeam none

Virtual Instruments VirtualWisdom 6.0

23 October 2018
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Virtual Instruments introduced the next generation of VirtualWisdom, a comprehensive full-stack, real-time, hybrid IT Infrastructure Management Platform.

By visualising the infrastructure in the context of the application, VirtualWisdom 6.0 enables organisations to proactively gain full control over the performance and availability of the applications across their modern hybrid data centres. In doing so, VirtualWisdom delivers improved control, greater business agility and reduced costs.

Furthermore, it brings an end to the costly, unproductive and antiquated “IT war rooms” typically created to resolve critical application slowdowns and outages.

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StarWind rPerf a free RDMA benchmarking tool

22 October 2018
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Remote Direct Memory Access (RDMA) is an interesting way to improve network connections and bandwith by providing a direct memory access from the memory of one system  into that of another. Compared to the full TCP/IP stack, RDMA can be managed without involving either one’s operating system (OS) and this means saving host resources and speed-up the communication.

RDMA permits high-throughput and low-latencynetworking, but more important is becoming a common feature on some network card, and also supported by different OSes and hypervisors.

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vNetworking, vProducts

Purge old data from a VCSA 6.x database

19 October 2018
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Reading Time: 5 minutes

One of the most read post remain how to Purge old data from a vCenter Server DB, but was written on 17 January 2014 and related to vSphere 5.1 version with the vCenter Server based on Windows Server.

Thinks are changed in those years, but problems could remain the same also with VCSA 6.x.

You can have similar issue also with the VMware vCenter Server database, considering that it can continuous grow due to the statistics and also due to the events/tasks. In really small system a simple solution could be re-install a fresh version of vCenter Server (maybe during an upgrade) and re-create all the configuration stored only in the vCenter Server database. But in several cases this approach is not realistic.

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VMware

VMware vSphere 6.7U1 supports Active Directory 2016

18 October 2018
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Reading Time: 3 minutesThe new release VMware vSphere 6.7U1 has a lot of improvements, but one has not been emphasized too much: VMware vSphere 6.7 Update 1 finally supports Microsoft Active Directory 2016 schema and relative functional level!

Lot of people forget that  vCenter Server, vCenter Single Sign-On and the VMware Platform Services Controller have their own interoperability matrix with Active Directory versions based on the Active Directory Domain Services (AD DS) domain functional level, not only with the Windows Server operating system on which Active Directory is running.

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A3 Communications Technology Live!

18 October 2018
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Reading Time: 2 minutesA3 Communications helps organisations in the data storage and virtualisation industries to significantly increase their brand awareness and create leading reputations among their target audiences through unparalleled expertise, reliability, and results thanks to bespoke PR, AR and SoMe programmes. Every day A3 Communications helps larger and smaller players, established and emerging ones alike, increase their share of voice, mindshare and ultimately market share.

Today A3 Communications has a direct presence in the UK, France, Belgium, Germany and USA and a proven network of partners in the rest of the world.

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