{"UUID":"86beec9d-3cf5-4cbd-8379-9a04b614f3e4","URL":"https://engineering.heroku.com/blogs/2017-02-15-filesystem-corruption-on-heroku-dynos/","ArchiveURL":"","Title":"Engineering Archives","StartTime":"0001-01-01T00:00:00Z","EndTime":"0001-01-01T00:00:00Z","Categories":["cloud","config-change","security"],"Keywords":null,"Company":"Heroku","Product":"","SourcePublishedAt":"2026-03-17T08:00:03-07:00","SourceFetchedAt":"2026-05-04T18:57:34.511918Z","Summary":"","Description":"An upgrade silently disabled a check that was meant to prevent filesystem corruption in running containers. A subsequent deploy caused filesystem corruption in running containers."}