Package ddpt

Variant of the dd utility for SCSI/storage devices

http://sg.danny.cz/sg/ddpt.html

The ddpt utility is a variant of the standard Unix command dd which copies
files. The ddpt utility specializes in files that are block devices. For block
devices that understand the SCSI command set, finer grain control over the
copy may be available via a SCSI pass-through interface. Note that recent
(S)ATA disks can often be driven by SCSI commands due to SCSI to ATA
translation (SAT) implemented in the kernel.
System Administration (Section 8)
ddpt
Copies data between files or simply reads data from a file. This utility is specialized for "files" that are storage devices, especially those that can use the...
ddptctl
This utility is a helper/auxiliary for the ddpt utility which copies data between or within SCSI devices (logical units). While ddpt's command line syntax is...