On 2018-04-29, Z Ero <[email protected]> wrote: > Forgive me if the is a naive question. Does the dd utility use > something like a CRC to verify data integrity or is this managed at a > lower level (eg. by the kernel services that dd uses to transfer > data)?
Neither. Either read back and calculate a hash yourself (when reading back you'll need to be careful about choosing a block size that fits a whole number of times into the original) or some of the alternatives to dd have built-in verification modes (e.g. dcfldd with vf/verifylog/etc).
