DiskTester 2.0 is now available. Users of version 1.0 whose license terms are still extant have been sent a free upgrade. Below is a short listing of available commands; see the DiskTester 2.0 User Manual for details. If a command-line interface makes you uncomfortable, try reading the Command Syntax Primer.
llcG5:~ lloyd$ disktester help DiskTester 2.0 (C) 2003-2006 diglloyd, Inc. All Rights Reserved Available commands: show-info show information about one or more volumes run-area-test test sequential speed across a volume run-sequential test sequential speed for a specific chunk size run-sequential-suite test sequential speed for a range of chunk sizes run-random test random speed for a specific chunk size run-async-test perform asynchronous multi-threaded I/O test-reliability test the reliability of a volume create-hierarchy-template scan volumes/files/folders and write a template file for use with 'create-hierarchy' create-hierarchy create a file hierarchy using a template file created by 'create-hierarchy-template' create-files create files of a specified size read-files read specified item as fast as possible help display usage and examples for available commands To see examples for a specific command, use: "disktester help <cmd-name>" where <cmd-name> is the name of the command. To see detailed help for all commands, use 'help all'