This bourne shell script calls the sg_start utility on each given
DEVICE. The purpose is to spin down (stop) each given DEVICE.
OPTIONS
Arguments to long options are mandatory for short options as well.
-h, --help
print out the usage message then exit.
-v, --verbose
increase level or verbosity.
-w, --wait
wait for the spin down (stop) on each given DEVICE to complete.
The default action is to do each stop in immediate mode.
NOTES
The sg_start utility calls the SCSI START STOP UNIT command and can
either start (spin up) or stop (spin down) a SCSI disk depending
on the given command line options.
EXIT STATUS
The exit status of this script is 0 when it is successful. Otherwise the
exit status is that of the last sg_start utility called. See
the sg3_utils(8) man page.