Reflections on ATA's place ATA is a second class citizen sdscsi translates everything to CDBs first yet almost all disks today are ATA sdfakescsi* are a mini-SAT layer (SCSI-to-ATA Translation) Questions: why bother translating to CDBs? why don't we have a sdata (not the IDE driver) Problems: we don't have a way of sending raw ATA commands (more on this later) ATA uses an abstract register set; format depends on protocol ATAPI devices require special handling prev next