Filename: //bin//scsi_stop

#!/bin/bash ################################################ # # Spin down the given SCS disk(s). # # SCSI disks (or disks that understand SCSI commands) # are assumed. By default, the immediate bit is set so the # command should return immediately. The disk however will # take 10 seconds or more to spin down. The '-w' option # causes each stop to wait until the disk reports that it # has stopped. # # This script assumes the sg3_utils package is installed. # ############################################### verbose="" immediate="-i" usage() { echo "Usage: scsi_stop [-h] [-v] [-w] <device>+" echo " where:" echo " -h, --help print usage message" echo " -v, --verbose more verbose output" echo " -w, --wait wait for each stop to complete" echo "" echo "Send SCSI START STOP UNIT command to stop each <device>" } opt="$1" while test ! -z "$opt" -a -z "${opt##-*}"; do opt=${opt#-} case "$opt" in h|-help) usage ; exit 0 ;; v|-verbose) verbose="-v" ;; w|-wait) immediate="" ;; *) echo "Unknown option: -$opt " ; exit 1 ;; esac shift opt="$1" done if [ $# -lt 1 ] then usage exit 1 fi for i do # Use '-r' (read-only) otherwise using a block device node # (e.g. 'sg_start 0 /dev/sdb') can result in a change of state # event causing the disk to spin up again immediately. echo "sg_start -r $immediate 0 $verbose $i" sg_start -r $immediate 0 $verbose $i done

./Ninja\.