On Sat, Dec 18, 2010 at 4:01 AM, Matt <lm7812 at gmail.com> wrote: >> I have the CentOS 5.5 install DVD and trying to install with software >> RAID1 on two 2TB SATA drives. The CentOS install only sees one drive. >> This is a Supermicro motherboard with fakeraid turned off in bios. >> >> I tried the trick like so: >> >> dd if=/dev/zero of=/dev/sda bs=512 count=64 >> dd if=/dev/zero of=/dev/sdb bs=512 count=64 >> >> Still no go. linux rescue console does see both sda and sdb. Whats going on? > > Well I figured that part out. > > http://wiki.centos.org/HowTos/SoftwareRAIDonCentOS5 > > boot: linux nodmraid > > Locks up on formatting file system everytime now though. Ugh. nodmraid tells the kernel to ignore fakeraid. You did change the controller from RAID to AHCI in the motherboard bios? Ryan