Hi, I'd like you to take a look at this patch for potential DocImpact. https://review.openstack.org/18524 Log: commit c37954d9355b6a2e3c1ccb7ab06f0fcdd3fd1076 Author: Michael Barton <mike at weirdlooking.com> Date: Thu Dec 20 20:10:07 2012 -0800 saio truncate instead of dd (for reals) Changing that complex dd to a functionally equivalent truncate that's easier to read and modify. DocImpact Change-Id: I64404318364608e62a1d80f6a0550271eb4cd03a