The Tayan motherboard in the machine I'm running on
http://www.hallikainen.org has a Promise RAID controller on the
motherboard. It supports four drives and two modes. I don't remember the
mode numbers, but they allow for drive mirroring or drive striping.
Mirroring gives redundancy by always writing stuff out to two drives.
Striping spreads the data across multiple drives. I believe there is a
striping method that allows recovery on loss of a drive, but this does
not support it. Nonetheless, I am running striping to make it fast and
get a lot of capacity (120 GB on four drives). The controller shows up as
a single SCSI drive to the operating system. Promise has a driver for RH
7.1 Linux that I'm using. The machine boots from this.  They say they are
working on a driver for RH 7.2

Harold



FCC Rules Online at http://hallikainen.com/FccRules
Lighting control for theatre and television at http://www.dovesystems.com

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