linux-alum:/data/diskless # chroot .
linux-alum:/ # rpm -Uvh aufs-kmp-default-0.20070202_2.6.18.8_1.ccj45-0.i586.rpm
warning: aufs-kmp-default-0.20070202_2.6.18.8_1.ccj45-0.i586.rpm: Header V3 DSA signature: NOKEY, key ID 844c4360
error: failed to stat /data: No such file or directory
Preparing...                ########################################### [100%]
   1:aufs-kmp-default       ########################################### [100%]
Root device:    none (mounted on / as aufs)
Module list:    af_packet pcnet32 nfs aufs (xennet xenblk)

Kernel image:   /boot/vmlinuz-2.6.18.8-ccj45-default
Initrd image:   /boot/initrd-2.6.18.8-ccj45-default
Shared libs:    lib/ld-2.5.so lib/libacl.so.1.1.0 lib/libattr.so.1.1.0 lib/libc-2.5.so lib/libdl-2.5.so lib/libhistory.so.5.1 lib/libncurses.so.5.5 lib/libpthread-2.5.so lib/libreadline.so.5.1 lib/librt-2.5.so lib/libutil-2.5.so lib/libvolume_id.so.0.73.0 lib/libnss_files-2.5.so lib/libnss_files.so.2 lib/libgcc_s.so.1
Driver modules: af_packet mii pcnet32 sunrpc aufs
Filesystem modules:     nfs_acl lockd nfs
Including:      initramfs
Bootsplash:     SuSE (1280x1024)
14768 blocks

You may now have to update your boot loader configuration.