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Avec le Xeon E5v3, Intel veut moderniser les datacenters

Intel propose pas moins de 32 variantes de son Xeon E5-2600 v3. HP, Dell, Cisco, Lenovo et IBM sont parmi les premiers à proposer des serveurs reposant sur la puce Intel Xeon E5-2600 v3, qui apporte le support de la mémoire DDR4 et du 40 Gigabit Ethernet....

Posté par jcdemarque à 11:39 - Commentaires […] - Permalien [#]

Tags: Xeon, intel, performance, processeur, processor, improvements, DDR4, E5, v3

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5 mai 2014

Comparatif des performances des antivirus 2013

Encore avec un décalage, voici un comparatif intéressant de l'impact des antivirus sur les ordinateurs : http://www.av-comparatives.org/wp-content/uploads/2013/11/avc_per_201311_en.pdf http://www.av-comparatives.org/performance-tests/

Posté par jcdemarque à 15:34 - Commentaires […] - Permalien [#]

Tags: security, securite, performance, antivirus, Performance Improvements, Antimalware

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23 septembre 2013

Troubleshooting virtual machine performance issues

Here is our third Support Insider Live video episode with tips straight from the mouths of our front-line Technical Support Engineers. Our video today features Sajjad Siddicky talking about his go-to tools for troubleshooting performance issues with virtual...

Posté par jcdemarque à 11:44 - Commentaires […] - Permalien [#]

Tags: ESX, VMWare, performance, guide, vSphere, top, issue, troubleshoot, KBTV, visual

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23 avril 2013

Yet another reason to move your VDI to Windows 8

Yesterday I published a blog post entitled “Why you should move your VDI to Windows 8” comparing different versions of Windows during IDLE and Login process. One of my readers (John Hardman) suggested that I also should measure disk IO commands issued...

Posté par jcdemarque à 14:41 - Commentaires […] - Permalien [#]

Tags: poste de travail virtualisé, performance, Windows, client, VDI, 8, 7, virtual desktop

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15 janvier 2013

vSphere 5.1 – VMDK versus RDM

It seems the debate between using a VMDK on VMFS or an RDM still rages when it comes to the question which one is better for performance. The VMware team has published a lot of evidence in the past that the difference is very minor, in fact difficult...

Posté par jcdemarque à 17:53 - Commentaires […] - Permalien [#]

Tags: VMWare, VMDK, performance, comparaison, vSphere, 5.1, RDM

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3 janvier 2013

vSphere 5.1 Performance History issue!

I was just made aware of this issue with the vSphere 5.1 performance history charts. The symptoms are straight forward: You see only the last 30 days of performance history in the ‘past year’ view Only one month of performance history appears when trying...

Posté par jcdemarque à 11:26 - Commentaires […] - Permalien [#]

Tags: VMWare, performance, vSphere, issue, days, history, 5.1, month

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28 novembre 2012

Performance Tuning Guidelines for Windows Server 2012

This guide describes important tuning parameters and settings that you can adjust to improve the performance and energy efficiency of the Windows Server 2012 operating system. It describes each setting and its potential effect to help you make an informed...

Posté par jcdemarque à 22:04 - Commentaires […] - Permalien [#]

Tags: Microsoft, Server, download, performance, telechargement, Windows, guideline, documents, 2012, tuning

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19 novembre 2012

Windows Server 2012 File Server Tip: Switch to the High Performance power profile

When you install a fresh copy of Windows Server 2012 and configure it with the File Server role, the default Power Setting balances power efficiency and performance. For this reason, even if you have a few high speed network interfaces and the fastest...

Posté par jcdemarque à 22:38 - Commentaires […] - Permalien [#]

Tags: Microsoft, Server, File Server, performance, Windows, tip, profile, 2012, Power

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19 novembre 2012

Top VMware and Hyper-V Metrics

VMware and Hyper-V Metrics that shows the Performance Issues This whitepaper provides descriptions of Top VMware and Hyper-V metrics – those 20 metrics collected from VMware’s vCenter that indicate when resource-related bottlenecks and capacity issues...

Posté par jcdemarque à 22:35 - Commentaires […] - Permalien [#]

Tags: VMWare, Hyper-V, Microsoft, Windows 2008, performance, R2, vSphere, metrics

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4 novembre 2012

Top 20 Hyper-V Performance Metrics

Hyper-V Performance Metrics that you might want to know more about. So you want to take Hyper-V for a spin? Good idea, but wait, there is quite a lot of metrics that lays around. If you have mostly managed vSphere clusters in the past, you might be tempted...

Posté par jcdemarque à 16:39 - Commentaires […] - Permalien [#]

Tags: Hyper-V, Microsoft, performance, metrics

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10 octobre 2012

PSPing a new tool from Mark Russinovich

SysInternal tools are a great suite of tool provided by Mark Russinovich and his team. Each tool of this collection is a valuable tool. PSPING.EXE is not an exception. “PSPING.EXE is aa command-line utility for measuring network performance. In addition...

Posté par jcdemarque à 21:13 - Commentaires […] - Permalien [#]

Tags: gratuit, Microsoft, network, ps, free, performance, Windows, tool, sysinternals, ping

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20 avril 2012

Benchmark de serveurs par VMware : Dell, Fujitsu, HP, IBM… dans un mouchoir

VMware a ouvert début 2012, aux constructeurs, la V2 de sa plateforme de tests comparatifs pour serveurs, VMmark 2.1. On se dispute les classements. VMware ne prétend pas jouer l’arbitre. À moins que… Sa plateforme de benchmark est ouverte à tous et ne...

Posté par jcdemarque à 13:49 - Commentaires […] - Permalien [#]

Tags: VMWare, HP, performance, ibm, DELL, benchmark, fujitsu

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10 avril 2012

Run KVM virtual machines on hardware with real performance

There’s nothing worse than trying to run a workload on a hardware-bottlenecked system. Release the power of KVM with IBM System x servers. You can run virtualization host software on just about any kind of hardware. But why would you if you’re an existing...

Posté par jcdemarque à 09:22 - Commentaires […] - Permalien [#]

Tags: performance, Virtual Machine, KVM, hardware

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7 mars 2012

Comparing Performance Between iSCSI, FCoE, and FC (4Gb)

Un article intéressant sur le Wiki DELL : There are number of discussions, blogs, and articles comparing Internet SCSI (iSCSI), Fibre Channel over Ethernet (FCoE), and Fibre Channel (FC). Many of them share a common belief that FCoE and FC are better...

Posté par jcdemarque à 16:37 - Commentaires […] - Permalien [#]

Tags: performance, iscsi, DELL, FCOE, jumbo frame, FC

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17 février 2012

VMware : Dell MD3200/MD1200 6Gb/sec Shared SAS performance tests

We recently acquired a Dell MD3200 and MD1200 6Gb/sec shared SAS storage system and I have spent a couple of days setting up some tests to see how it compares to our old iSCSI EMC Clariion. Wasn't really a fair fight, given that the EMC had 500GB 7200rpm...

Posté par jcdemarque à 10:54 - Commentaires […] - Permalien [#]

Tags: VMWare, performance, sas, DELL, vSphere, md3200

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21 décembre 2011

Database Maintenance in Exchange 2010

Over the last several months there has been significant chatter around what is background database maintenance and why is it important for Exchange 2010 databases. Hopefully this article will answer these questions. What maintenance tasks need to be performed...

Posté par jcdemarque à 21:54 - Commentaires […] - Permalien [#]

Tags: Microsoft, Server, exchange, maintenance, performance, 2010, Database, compact, defrag

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21 avril 2011

FSCT test results detail the performance of Windows Server 2008 R2 File Server configurations - 23,000 users with 192 spindles

1. Introduction The File Server Capacity Tool (FSCT) is a free download from Microsoft that helps you determine the capacity of a specific file server configuration (running Windows or any operating system that implements the SMB or SMB2 protocols). It...

Posté par jcdemarque à 17:36 - Commentaires […] - Permalien [#]

Tags: Microsoft, Server, Windows 2008, File Server, performance, File Server Capacity Troubleshooting, SP1, R2

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26 janvier 2011

Free Tools for Troubleshooting Windows Storage Performance Problems

Introduction Troubleshooting performance issues can be some of the toughest problems to diagnose, particularly those involving storage performance issues. In many cases, a system administrator must be intricately familiar with the underlying storage architecture...

Posté par jcdemarque à 18:49 - Commentaires […] - Permalien [#]

Tags: Microsoft, performance, Windows, tool, storage, troubleshoot

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22 juillet 2010

TrueCrypt 7.0 supporte les unités de chiffrement des processeurs Intel

La version 7.0 de TrueCrypt pourra dorénavant exploiter les instructions AES-NI intégrées aux derniers processeurs Core d’Intel. Ces unités de chiffrement permettent de multiplier les performances de traitement par un facteur allant de 4 à 8. --> La suite...

Posté par jcdemarque à 09:01 - Commentaires […] - Permalien [#]

Tags: cryptage, intel, performance, chiffrement, processeur, processor, TrueCrypt

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22 avril 2010

Linux: la Red Hat Enterprise Linux 6 entre en bêta

La RHEL 6 est aujourd’hui disponible en version bêta. Petit tour d’horizon du prochain produit phare de Red Hat. --> A voir sur le site http://www.silicon.fr/fr/news/2010/04/22/linux__la_red_hat_enterprise_linux_6_entre_en_beta

Posté par jcdemarque à 15:33 - Commentaires […] - Permalien [#]

Tags: Virtualisation, Linux, beta, red hat, performance, nouveautes, feature, new, KVM, 6

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