> Martin, when you run the mke2fs "manually" in %post, > is it a %post --nochroot or a regular %post? If it's > a regular %post, what happens if you try it with a > %post --chroot? It's a regular %post, I basically have the following code: echo , | sfdisk /dev/rd/c0d1 mke2fs /dev/rd/c0d1p1 cat <<EOF >>/etc/fstab /dev/rd/c0d1p1 /HardDriveBay1 ext2 defaults 1 2 EOF mkdir /HardDriveBay1 mount /HardDriveBay1 I don't think this stuff would work using the --nochroot option.