Hello, I have just setup a "toy" lustre setup using this guide here: http://zfsonlinux.org/lustre and have this process chewing 100% cpu. sh -c echo 0 >> /proc/fs/lustre/llite/lustre-ffff88006b0c7c00/max_cached_mb Until I get something more beasty I am using my desktop machine with KVM. Using standard Centos 6.4 with latest kernel. (2.6.32-358.23.2). my machine has 2GB ram Any ideas? Thanks, Andrew