bit rot
gradual storage corruption from cosmic rays, thermal stress, or media degradation over time
bit rot in a sentence
“The archival drive suffered bit rot after sitting unpowered in a warm closet for years.”
Related Words
byzantine fault
a node takes arbitrary actions including malicious ones; requires more than two-thirds loyal nodes for consensus
crash
a node stops executing code until it is restarted
crash-stop
a failure model where a node stops executing and never recovers
crash-recover
a failure model where a node stops executing code and later restarts from durable state
clock drift
the difference in rates at which clocks advance, causing clock skew to increase over time
clock skew
the instantaneous difference between clocks on different processes; affects correctness of systems relying on wall clocks