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7Nov/110

Migrate your virtualisation solution from VMware to Hyper-V and save money

@Richlane - Microsoft Account Technology Strategist - UK Education.

Tuesday November 8th, 11am-12pm

With Microsoft now being considered a virtualisation leader (Gartner 2011) isn’t it time you considered switching to Hyper-V and saving your organisation money? Carmel College have done just that, and will discuss the rationale behind their migration from VSphere and the benefits they have realised. We will explore the Microsoft Hyper-V Private Cloud Solution and you will be able to get answers to all your burning questions.

https://www.livemeeting.com/lrs/microsoft1/Registration.aspx?pageName=w2c6chkf2rqpf1gg

6Jun/114

Dell PowerConnect 5400 Switch config for EqualLogic iSCSI Network

At this current moment we use 2 PowerConnect 5424 switches for our iSCSI backend network.  The PowerConnect 5424 has 24 10/100/1000 BASE-T auto-sensing gigabit Ethernet switching ports and 4 SFP combo ports for fibre connectivity.

The PowerConnect series of switches have many good features some which are irrelevant to what I am talking about so I will leave this out and comment on the features which are important in relation to iSCSI backend networks. Notice I say backend, if this were not a backend network I may be interested in some of the other features such as multiple VLAN capability and iSCSI optimization and QOS. But as this is a backend network I will not require the use of multiple VLANS or iSCSI optimization as I don't see the need to optimise iSCSI on purely iSCSI network.

21Apr/1113

Dell EqualLogic PS Series iSCSI SAN in a Hyper-V Environment

Following on from my Hyper-V Post I thought I would carry on the theme of High Availability and clustered services.  Dell's EqualLogic PS Series iSCSI SAN  optimise's resources by automating volume and network load balancing.  A PS Series Group consists of one or more PS Series Array.  Group Members are connected to an IP network and managed as a single system.

iSCSI Protocol.

iSCSI or internet small computer systems interface to give it its full title, is a block level storage protocol that can be used to create a storage network over Ethernet.  iSCSI uses ethernet as a transport medium for data from servers to storage devices or SAN'S (Storage Area Networks) such as EqualLogic.  iSCSI encapsulates SCSI commands into TCP/IP and sends these commands over standard Ethernet, because of this iSCSI can be sent over LAN's and WAN's and these Arrays do not have to be located in the same room or even the same Galaxy as your servers.

20Apr/110

nvspbind – Hyper-V Core Network VSP Bind Application

Just a quick one here.  nvspbind.exe developed by Keith Mange over at the Hyper-V team has given us this excellent tool for enabling and disabling protocol bindings from the stack in the parent partition.  If you have ever tried this in Hyper-V Core then the lack of any graphical network interface makes this simple task impossible.

When you run nvspbind without any paramaters the output looks like this;

nvspbind

nvspbind

 

here you can see which protocols are enabled or disabled. nvspbind /? will show you all paramaters available.

nvspbind can be downloaded here http://archive.msdn.microsoft.com/nvspbind along with information on usage and paramaters.

 

21Mar/110

Understanding Hyper-V Virtual Machine Snapshots/Checkpoints

Snapshots or Checkpoints - One and the Same.

First of all a snapshot is exactly the same as a checkpoint, if you use Hyper-V Manager you will see the term snapshot and if you use System Centre Virtual Machine Manager or SCVMM you will see checkpoint both processes are exactly the same the differences are merely in terminology.

Snapshot Checkpoint Example

Snapshot Checkpoint Example

The first and most important thing I would like to cover is that snapshots are not a backup/disaster recovery solution, they are simply a point in time capture of the data,hardware configuration and state of your virtual machine.  snapshots are particulary useful for reverting back to a previous state quickly and easily, Microsoft only recommends the use of snapshops in a test/development environment.  I only use snapshots for a virtual machine when applying updates to the guest operating system or an application within the OS, if the update is successful then the snapshot is immediately deleted and the VM shutdown so the merge process can take place.  I do not recommend keeping snapshots of your Virtual Machines in a production environment.

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