Azure

Transform The Datacentre Workshop, Supported by Microsoft

ttdc

I have recently been invited to present at a number of events. The first event, Transforming the Datacentre Workshop, Supported by Microsoft, covered Microsoft’s Cloud OS approach to deliver a consistent and comprehensive set of capabilities via Windows Server, Hyper-V, System Center and Microsoft Azure, across on premise and cloud based platform.

Included in the event is a discussion around Windows Server 2003 reaching end-of-support on July 14th 2015, what options are available and how best to approach the problem.

It has been great to see the numbers of people turn up and very interesting to hear how they are adopting the Hybrid Cloud and plan to deal with the challenges around Windows Server 2003 reaching end-of-support.

cardiff-1st-october-2014-02If you fancy joining us at one of the multiple locations we are running the event at, you can book in by following the link below.

Hyper-V

Configuring CSV Cache in Server 2012 R2

Microsoft introduced CSV Cache for Hyper-V and Scale-Out File Server Clusters in Windows Server 2012. Essentially CSV Cache allows the administrator to configure a percentage of the hosts RAM  to cache read IOPS in the memory of the Hyper-V or the Scale-Out File Server Cluster nodes. When introduced in Windows Server 2012 the administrator was required to set the CSV Block Cache and enable it on every CSV volume. In Windows Server 2012 R2 CSV Block cache is by default enabled for every CSV volume but the size of the CSV Cache is set to zero, this obviously makes administration much simpler as only the size of the cache needs to be configured.

The following PowerShell can be used to set the Block Cache size.

# Get CSV Block Cache Size
(Get-Cluster).BlockCacheSize
# Set CSV Block Cache Size to 512MB
(Get-Cluster).BlockCacheSize=512

Microsoft recommendations:

  • Hyper-V Host – 512MB cache
  • Scale-Out File Server Node – Windows Server 2012 allowed a cache size up to 20% of the servers RAM, in Windows Server 2012 R2 Microsoft changed this to be up to 80% of the RAM of a Scale-Out File Server Node.
Powershell & Command Line

Deployment Image Servicing and Management: DISM

I have recently been involved with WDS and working on deployment images with DISM and found these articles to be of great help. If you’re planning to get involved in a similar venture these are well worth a read.