The MD driver, the linear and RAID-0 personalities code were written by Marc Zyngier ( and is part of the Linux 2.0 kernel distribution.

The MD extensions described in this report, RAID-1, RAID-4 and RAID-5 personalities code were written by Gadi Oxman (, Ingo Molnar ( and Miguel de Icaza (

The new personalities of the MD driver were originally tested using the loop-back driver to simulate the disk array with files.

This article was first presented as a speech by Miguel de Icaza at Linux Expo, April 5, 1997.