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Discussion on the state of cloud computing and open source software that helps build, manage, and deliver everything-as-a-service.

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Hi everyone!

I'm Mike Tutkowski. I work at an exciting data-storage company in Boulder, CO called SolidFire (

The SolidFire storage area network (SAN) was designed from the ground up to support hard Quality of Service. On a volume-by-volume basis, administrators can decide on a minimum, maximum, and burst number of IOPS - eliminating the Noisy Neighbor effect and allowing Cloud Service Providers to confidently host all sorts of application workloads in their clouds that were previously unpractical.

I am a dedicated resource to the CloudStack project. I integrate advanced SolidFire features into CloudStack while also performing general-purpose CloudStack development activities.

We've received several inquiries from our customer base regarding how one goes about configuring storage in CloudStack. To help answer these questions, I've prepared a CloudStack Storage Configuration Guide and included it in this post.

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Cloudstack 2.2.8 Now Available!

Posted by on in CloudStack Tips

CloudStack 2.2.8 is now available the latest version can be found on the CloudStack Download page. Version 2.2.8 includes the following new features (numbers are links to the feature requests in Bugszilla). 

  • 3224 - Multiple NFS servers may be used to provide secondary storage for a zone
  • 4942 - Networking metering may be performed on direct networks. This is in conjunction with InMon Traffic Sentinel and sFlow/NetFlow enabled switches.
  • 6451 - XenServer host passwords may be changed using the CloudStack API.
  • 6873 - Clusters, Pods and Zones may be put into a maintenance mode. In this mode no new VM allocations will be made to them. Administrators can still create VMs on this hardware.
  • 7507 - KVM now supports local disk for primary storage.
  • 7553The virtual router is now sized according to a system VM service offering. This allows for increasing virtual hardware available to some users' routers.
  • 8115 -  Source IP filtering is now available in the virtual router.
  • 8350 - The software load balancer in the virtual router has been tuned for performance.
  • 8830 - The parent template ID is provided for templates created from snapshot. This allows for template usage tracking.
  • 8901 The CloudStack UI will give indication that a snapshot is in progress.

Full releae notes can be found here (PDF download). 

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CloudStack 2.2 is Now Available

Posted by on in Product News

Today we announced CloudStack 2.2, the latest version of our open source cloud computing platform. This a huge leap forward for CloudStack with scads of new features and a noticeably improved user interface. CloudStack is available for immediate download from the...

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Om Malik, Founder of GigaOm, recently published an article on our recent  round of funding and the addition of Mike Volpi to our board.  Needless to say that we are thrilled about the addition of Mike and  Index Partners to...

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Recently, the Enterprise Systems Journal did an extensive interview with VMOps CEO Sheng Liang on the opportunity for enterprise IT departments to leverage cloud platforms to build private clouds.

I wanted to reprint one question, because it is a common...

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Citrix supports the open source community via developer support and evangeslism. We have a number of developers and evangelists that participate actively in the open source community in Apache Cloudstack, OpenDaylight, Xen Project and XenServer. We also conduct educational activities via the Build A Cloud events held all over the world.