What are the cost trade-offs of reducing server hard drive failures? What can be done to mitigate consequences to drive failures? |
More reliable disk drives cost more money. Fortunately we tend to avoid plain consumer grade ones for the servers and invest in ones like WD's "Red" (good) and "Black" (better).
Consider doing this whenever the smaller size is acceptable, and cost for that smaller size is also acceptable.
http://www.techspot.com/news/52047-what-is-false-disk-failure-and-why-is-it-a-problem.html
Invest in learning how to better deploy and use monitoring tools. Some tools may cost money. Maybe not all relevent, but here are some buzz-words Oliver has come across: