Marc Joliet <mar...@gmx.de> wrote: > Hi, > > I have to failed drives that I want to give away for recycling purposes, but > want to be sure to properly clear them first. They used be part of a btrfs
The test patterns used on Solaris and marked with "federal requirements" are: int purge_patterns[]= { /* patterns to be written */ 0xaaaaaaaa, /* 10101010... */ 0x55555555, /* 01010101... == UUUU... */ 0xaaaaaaaa, /* 10101010... */ 0xaaaaaaaa, /* 10101010... */ } Jörg -- EMail:jo...@schily.net (home) Jörg Schilling D-13353 Berlin joerg.schill...@fokus.fraunhofer.de (work) Blog: http://schily.blogspot.com/ URL: http://cdrecord.org/private/ http://sourceforge.net/projects/schilytools/files/'