On Mon, May 13, 2013 at 21:04, Clint Pachl wrote: > I would like to reinstall a fresh system on an SSD that contains an > existing installation. From my limited knowledge of SSDs, I wonder if > the drive controller may "retain" data from the old filesystem, unaware > that there is a new filesystem put in place. > > Is this a concern? If so, how does one "reset" a used SSD for optimal > operation with a fresh install?
'atactl drive secerase' will tell the drive the old contents are no longer needed. None of the other tools currently do that. I don't think it's a concern.