Phillip Pearson - Second p0st

tech notes and web hackery from the guy that brought you bzero, python community server, the blogging ecosystem, the new zealand coffee review and the internet topic exchange

2003-3-17

Linux UDMA

hdparm -d1 /dev/hda turns on UDMA for /dev/hda. (It wasn't on by default for me).

To test to see if it's working, use hdparm -Tt /dev/hda. If you only get 3 megs/sec when reading, either UDMA is off or you are using a really old drive ;-)