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04 Nov 09

Cloud Storage: A Business Model Toolkit for Service Providers - Cloud Storage Strategy

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08 Oct 09

5 Important Cloud Storage Questions

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06 Oct 09

Cloud Storage Flavors: Platform/Infrastructure and Service/Product - Enterprise Storage Strategies

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Applying these simple labels to the cloud storage market reveals a simple matrix of offerings. Some are clearly conventional SAN or NAS infrastructure products that can be leveraged as a foundation for cloud services. Others are true cloud platforms sold as a product for service providers. Then there is the storage capacity offered on a service basis by hosting providers, including the elastic block storage (EBS) included with Amazon's EC2 cloud compute infrastructure service. Finally, we have the true cloud storage platform services: Amazon S3, Nirvanix SDN, and Rackspace Cloud Files.
EMC's Atmos is an unusual beast indeed. It easily falls into all four quadrants, being sold as both a product and service and used as both a platform and infrastructure.
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- One way to build a bridge between today's world of SAN and NAS and the future of programmable storage platforms is to include both access methods. This is the reason that Nirvanix rolled out its bridge to the SDN, CloudNAS, last year. Conventional applications can read and write to the Nirvanix cloud storage service as if they were accessing a local file system. CloudNAS handles the translation between POSIX filesystem calls on a UNIX or Windows server and RESTful HTTP calls to the cloud. It also includes caching and encryption to address the two most common concerns about cloud storage, performance and security.
- Although conventional access methods and product offerings offer an onramp to the cloud, the real revolution will not come until applications are able to seamlessly access stored objects. This is why cross-platform programming libraries like the Zend Simple Cloud API and CloudLoop for Java are so interesting: They bridge a new breed of applications to the cloud storage platforms already offered. Cloud storage is moving up and to the right, adopting both the platform and service orientations that are the hallmarks of the Internet age.

27 Sep 09

Zend Teams with IBM, Microsoft, Rackspace and Other Cloud Leaders on Open Source Initiative to Drive Cloud Application Development

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cloudcomputing cloudstorage zend simplecloudapi dataportability interoperability

26 Sep 09

35+ Amazon S3 Tools and Plugins for Windows, Mac and Linux | Binary Head

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12 Sep 09

Liddle Thoughts » Blog Archive » Difference between Amazon S3 and Amazon EBS on the Elastic Cloud

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05 Sep 09

Cloud Safety Box: Wiki: Home — Project Kenai

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02 Sep 09

25 Aug 09

S3StorageMethods - s3ql - A comparison of different methods to store data on Amazon S3 - Project Hosting on Google Code

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The Server Density storage backend – utility storage from Rackspace « Boxed Ice Blog

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cloudcomputing cloudstorage amazon rackspace aws ebs uNAS comparison

The uNAS is priced at $0.70 per GB. As our usage increases, we expect to be able to negotiate this price down as we can commit to a specific minimum amount each month. Amazon’s EBS is priced at $0.10GB of provisioned storage. The key here is “provisioned”. With the uNAS you have “unlimited” available disk space and pay for what you actually use. With EBS you have to set up a pre-defined amount e.g. 100GB, and you pay for that regardless of whether you’re using 1GB or 100GB.

You would need to provision more than you are using with EBS because re-provisioning the volume requires taking a snapshot of the data and starting up a new volume from that snapshot. This takes time and involves downtime whilst the volume is built.

EBS also has other charges – $0.10 per 1 million I/O requests. When we tested EBS over a 24 hour period, we used 100 million I/O requests. There are also backup (snapshot) fees because you are backing up to S3. These are priced at $0.15 per GB-month of data stored and there are fees for PUT and GET requests. Whilst the “at a glance” pricing of EBS is cheaper than uNAS, there are other factors at play. You have multiple variables, not just disk usage.