The feature I've been waiting for on EC2 has arrived - persistent storage is now available on the public beta as per an email from the EC2 team:
We are pleased to announce the release of a significant new Amazon EC2 feature, Amazon Elastic Block Store (EBS), which provides persistent storage for your Amazon EC2 instances. With Amazon EBS, storage volumes can be programmatically created, attached to Amazon EC2 instances, and if even more durability is desired, can be backed with a snapshot to the Amazon Simple Storage Service (Amazon S3).
At a high level the features include:
- Volumes from 1Gb to 1Tb
- Multiple volumes can be mounted from one AMI
- Implemented as block devices
- Live in an availability zone
- Automatically replicated within the availability zone
- Support snapshots
- Multiple volumes can be used and striped across to improve I/O
- $0.10/gb allocated per month and $0.10 per 1 million I/O requests
- Sample cost based on 100Gb storage and 100 I/O per second is $36/month
I'm going to get playing with it and it will be interesting to see how it performs and also compare it on the cost front to some of the options I outlined in a previous post - in the meantime you can read more on the Amazon Web Services site.
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