a culture of failure mathias meyer, @roidrage travis-ci.org / - PowerPoint PPT Presentation

a culture of failure mathias meyer, @roidrage

travis-ci.org / travis-ci.com

failure

risk

28 january 1986

sts-51-l

73 seconds

there is no root cause "What you call root cause is simply the place where you stop looking any further" -- Sidney Dekker "Overt catastrophic failure occurs when small, apparently innocuous failures join to create opportunity for a systemic accident. Each of these small failures is necessary to cause catastrophe but only the combination is su ffj cient to permit failure." -- Richard Cook

normalization of deviance

practical drift

unknown unknowns

things we do not know we don't know

risks we do not know we don't know

28 november 2007

http://xrscorp.com/blog/industry-news/unsafe-driving-basic/

http://www.datacenterknowledge.com/archives/2012/01/06/rackspace-cloud-will-expand-in-dallas/

redundancy

redudant redundancy

optimize for mean time to recovery

risk

acceptable risk

safety workload $$

cross boundaries

http://www.flickr.com/photos/rossbelmont/8014054698/

verify extreme risks Bring down your site, kill your servers.

verify assumptions

http://www.bloomberg.com/news/2012-01-13/with-safety-alcoa-showed-mettle-part-3-commentary-by-bratton-and-tumin.html

learn from failure

transform your company

resilience

thank you