Failure Trends in a Large Disk Drive Population


“When your server farm is in the hundreds of thousands and you’re using cheap, off-the-shelf hard drives as your primary means of storage, you’ve probably good a pretty damned good data set for looking at the health and failure patterns of hard drives. Google studied a hundred thousand SATA and PATA drives with between 80 and 400GB storage and 5400 to 7200rpm, and while unfortunately they didn’t call out specific brands or models that had high failure rates, they did find a few interesting patterns in failing hard drives.”

Grab the pdf here.

Source: http://216.239.37.132/papers/disk_failures.pdf

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