Rescan Linux SCSI bus

using the scsi add-single-device mechanism

source: http://bash.cyberciti.biz/diskadmin/rescan-linux-scsi-bus/
source: http://blog.miralinux.net/files/linux/local/bin/rescan-scsi-bus.sh

[include]../../../files/linux/local/bin/rescan-scsi-bus.sh[/include]