Amazon Elastic Block Store (EBS) vs StorPool

• Data will be persistent irrespective your EC2 instance goes down
• They are quite fast in terms of read and write
• Memory management in terms of EBS is better than the OBS

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• Distributed Storage array with very high throughput in terms of reading & write operations.
• Horizontal scaling without much complexity of management.
• Easily integrate with OpenStack cloud.
• Doesn't depend on proprietary hardware, integrates with commodity hardware.

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• Creating too much EBS can be disaster if you are not properly organized by tags
• In terms of pricing it's a bit on higher side.
• In terms of performance, there is room for improvement as sometimes reading or saving the data can be painful.

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• Graphical interface is for monitoring and stats, but not for operations.

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• In terms of ROI, I found it's really cost-effective since maintenance cost is not there. No need to spend extra money on the procurement of hard drives
• On demand feature of Ebs is quite effective when you require extra storage you can allocate and pay as per your need.
• Accessibility from everywhere and deployment of it across different geographical location.

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• We have not calculated precise ROI. We focused on getting the best solution at a reasonable price, based on market research. Initially, we didn’t need a lot of capacity, so we invested in servers and network, which could handle several times more capacity, but bought smaller drives to keep the investment low. We achieved a starting price of $3.2/GB usable and $1.4/GB logical. Later we expanded the capacity by adding more drives to the system. Currently, the system has a price of approximately $2.3/GB usable and $0.99/GB logical and a price of $0.09/IOPS.

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