It looks like a major bug exists in OpenFiler 2.99. I could not build a new RAID-1 array tonight on one of my file servers. A quick Google search revealed that a kernel module was not present, and an incorrect link must have been referenced somewhere. To fix it, follow these steps after you have SSHed into the console.

conary update

ln -s /sbin/lvm /usr/sbin/lvm

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