The data in an instance store persists only during the lifetime of its associated instance. If an instancereboots (intentionally or unintentionally), data in the instance store persists. However, data oninstance store volumes is lost under the following circumstances. Failure of an underlying drive Stopping an Amazon EBS-backed instance Terminating an instanceReference: http://docs.amazonwebservices.com/AWSEC2/latest/UserGuide/InstanceStorage.html