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PROSERVIA : Pôle Conseil Expertise
network
6 avril 2010

Cluster et Teaming réseau : Etat des lieux

Qui dit cluster applicatif Microsoft, dit haute disponibilité. Lors de la conception d’une infrastructure en cluster, on passe pas mal de temps sur les SPOF (Single point of failure) pour en minimiser l’importance. Les interfaces réseaux représentent...
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23 mars 2010

Network Load Balancing (NLB) and Virtual Machines

Hi, A lot of people have asked about setting up NLB clusters on virtual machines. This is possible. But, there a few things to keep in mind. If you’re trying to create NLB clusters using Virtual Server Virtual Machines, before designing your solution...
17 mars 2010

Exporting to / Importing from a network share [Hyper-V]

The first thing that I needed to do as part of my big rebuild was to move non-critical virtual machines to a remote file server. The easiest way to do this would have been to export the virtual machines to a local location and then move them up to a network...
26 février 2010

How to Create Professional Network Diagrams Using Microsoft Visio

I'm going to go ahead and say this right off the bat: I'm a Visio junkie. In my opinion Visio deserves a place in every administrator’s toolbox. Trust me on this - nothing makes you look less professional than sharing a diagram created on the back of...
12 février 2010

Configurez vos réseaux Hyper-V en mode Core avec NVSPcrub & NVSPbind

Configurez vos réseaux Hyper-V en mode Core avec NVSPcrub & NVSPbind
La gestion du réseau (carte réseau, protocole, ordonnancement, Switch Virtuel) est quelque chose de relativement difficile voire impossible lorsque l’on installe une version minimale (mode Core) de Windows Server 2008. Surtout lorsque le protocol Hyper-V...
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12 février 2010

Free network tool to configure switchs and all.

Free network tool to configure switchs and all.
Who's the smartest network engineer you know? It's YOU when you have our new Network Config Generator as your brainy, config-conjuring sidekick! Configuring VLANs and other advanced services can be tedious and time consuming. Who has time to go online...
4 février 2010

E1000 and dropped rx packets

At a customer site we received several notifications of performance issues with a VMware VI3 environment. After having checked the configuration of the VMs and the Hosts we decided to dive into esxtop. At first sight we did not see any abnormalities....
4 février 2010

Windows Server Performance Team: Increase VMBus buffer sizes to increase network throughput to guest VMs

The Windows Server Performance team have done a really interesting post on how to optimize network performance inside of virtual machines by increasing the size of the VMBus buffers used by our network adapters. They also do a very good job of explaining...
26 janvier 2010

Hyper-V Network Command Line Tool NVSPBIND Now Available Externally

Until now, Hyper-V administrators using Server Core installs of Windows Server 2008 or Microsoft Hyper-V Server were unable to enable and disable protocol bindings from the parent partition due to the lack of a graphical network control panel only available...
26 mars 2009

Register to Download LANsurveyor Express for Free: Limited Time Offer. Act Now!

LANsurveyor Express for Microsoft® Visio® is a powerful Visio 2007 plug-in that makes it easy to get comprehensive network maps in just minutes! Accessible via the Visio toolbar, LANsurveyor Express automatically discovers your network and produces topology...
22 mars 2009

Two new patches for ESX(i) 3.5

VMware released two patches on the 20th of March. Both patches are related to an issue with the Broadcom bnx2x driver. If you are running on hardware with a Broadcom NetXtreme II 57710, 57711, or 57711E NICs be sure to look into the patches below: ESX350-200903412-BG...
11 mars 2009

Statut officiel sur le support du teaming sur un hôte Hyper-V

Suite au bulletin précédement posté sur notre blog et comme annoncé, la fiche technique décrivant le statut officiel du support des fonctionnalité de teaming est disponible. L’article ne présente pas de nouveauté par rapport à tout ce qui a déjà été dit...
6 février 2009

"Using HP ProLiant Network Teaming Software with Microsoft Windows Server 2008 Hyper-V" HOWTO

Une excellente nouvelle !! http://h20000.www2.hp.com/bc/docs/support/SupportManual/ c01663264/c01663264 .pdf http://blogs.technet.com/fabricem_blogs/archive/2009/02/04/using-hp-proliant-network-teaming-software-with-microsoft-windows-server-2008-hyper-v-howto.aspx...
17 octobre 2008

Physical network design options for VMware Infrastructure 3 environments

http://searchvmware.techtarget.com/tip/0,289483,sid179_gci1334966,00.html?track=NL-916&ad=667887&asrc=EM_NLN_4766500&uid=8243575 VMware ESX offers outstanding support for a wide variety of networking configurations. Users have the option of using network...
8 octobre 2008

Attention toujours au TOE avec Virtual Server!

http://www.petri.co.il/network-issues-with-windows-server-2008-rdp-on-dell-servers.htm Last month I had a client buy and install several Dell PowerEdge 2950 servers. These servers had 2 Quad processors, 16GB or RAM, and 2 300GB 15K RAPM SAS hard disks,...
24 juillet 2008

copier des VMs avec Hyper-V : attention!

Attention, si on copie une VM Hyper-V d'un hôte à l'autre, on peut avoir des surprises... http://blogs.technet.com/jhoward/archive/2008/07/22/hyper-v-why-is-networking-reset-in-my-vm-when-i-copy-a-vhd.aspx The supported way of copying a virtual machine...
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