Vdbench is a command line utility specifically created to help
engineers and customers generate disk I/O workloads to be used
for validating storage performance and storage data integrity.

WWW: http://www.oracle.com/technetwork/server-storage/vdbench-downloads-1901681.html

Reviewed by:	koobs, mat
Approved by:	koobs (mentor)
Differential Revision:	https://reviews.freebsd.org/D17255