13. The Reliability of Hard Disks
Failure Trends in a Large Disk Drive Population
Eduardo Pinheiro, Wolf-Dietrich Weber and Luiz André Barroso
14. Dream or Nightmare?
Scale to 100% ‐ 1000% increase popularity?
•
Provide 4 nines uptime?
•
Survive a complete datacenter failure?
•
Survive a router flapping?
•
While keeping cost low at the same time?
•
15. Chapter 4: Priorities – Scale Later – It is too hard to get right
Chapter 4: Priorities – Scale Later – It is too hard to get right
23. Amazon Simple Storage Service
Amazon S3 is Storage for the Internet
• Scalable
– Can store an unlimited number of objects
• Reliable
– Redundant across multiple datacenters
– Availability SLA
• Fast
– Low‐latency access and delivery
• Simple
– Easy web services interface for developers
• Inexpensive
– Uses Amazon’s cost‐efficient infrastructure
25. Amazon S3 now in Europe!
Developers can now
•
choose storage in
Europe
Low latency access
•
and delivery
to Europe at a
very low price
26. Creating a Storage Bucket in Europe
PUT / HTTP/1.1
Host: mybucket.s3.amazonaws.com
Content-Length: 111
Date: Mon, 05 Nov 2007 12:00:00 GMT
Authorization: AWS
15B4D3461F177624206A:xQE0diMbLRepdf3YB+FIEXAMPLE=
<CreateBucketConfiguration>
<LocationConstraint>
EU
</LocationConstraint>
</CreateBucketConfiguration>
27. Amazon S3 European Pricing
• Storage
US$ 0.18 per GB‐Month of storage used
• Data Transfer
US$ 0.10 per GB ‐ all data transfer in
US$ 0.18 per GB ‐ first 10 TB / month data transfer out
US$ 0.16 per GB ‐ next 40 TB / month data transfer out
US$ 0.13 per GB ‐ data transfer out / month over 50 TB
• Requests
US$ 0.012 per 1,000 PUT or LIST requests
US$ 0.012 per 10,000 GET and all other requests