Definiowanie uśpienia dysku:

camcontrol dysk standby -t czas_w_sekundach

Sprawdzanie stanu uśpienia:

smartctl -n standby /dev/dysk

Przykłady:

# smartctl -n standby /dev/ada2
smartctl 6.3 2014-07-26 r3976 [FreeBSD 10.1-RELEASE amd64] (local build)
Copyright (C) 2002-14, Bruce Allen, Christian Franke, www.smartmontools.org

Device is in ACTIVE or IDLE mode

# camcontrol standby ada2

# smartctl -n standby /dev/ada2
smartctl 6.3 2014-07-26 r3976 [FreeBSD 10.1-RELEASE amd64] (local build)
Copyright (C) 2002-14, Bruce Allen, Christian Franke, www.smartmontools.org

Device is in STANDBY mode, exit(2)