How are they more valuable than mount -o ro?
To add value, wouldn't a write-blocker need to be infallible, then *proven* to be infallible? (That is, proven to be as such, within the margin demonstrated by proving compliance with RTCA/DO-178B using Criticality Level 1). johnc 17:49, 28 December 2011 (PST)
The question may not be relevant to hardware solutions. A schematic or data flow diagram would be helpful. Many thanks to the folks who created this page. johnc 22:50, 28 December 2011 (PST)