RAID documentation: ftp://ftp.infodrom.north.de/pub/doc/tech/raid/
Kernel-HOWTO: http://metalab.unc.edu/LDP/HOWTO/Kernel-HOWTO.html
Linux Bootprompt HOWTO: http://metalab.unc.edu/LDP/HOWTO/BootPrompt-HOWTO.html
Root RAID Cookbook: http://metalab.unc.edu/LDP/HOWTO/Root-RAID-HOWTO.html
Patch to support RAID 1, 4 and 5 in 2.0.x kernels: ftp://ftp.kernel.org/pub/linux/daemons/raid/alpha/raid145-971022-2.0.31.gz
Utilities to manage RAID: ftp://ftp.kernel.org/pub/linux/daemons/raid/raidtools-pre3-0.42.tar.gz