﻿id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc 228,Powermode does not seem to work on Mac OS X (Darwin),drfrogsplat,somebody,"When attempting to use the '-n' argument for smartctl on Mac OS X, it seems to always think the device is in SLEEP mode, at least for the drives I have available for testing. Actual behaviour: {{{ # smartctl -i -n standby /dev/disk0 smartctl 5.42 2011-10-20 r3458 [x86_64-apple-darwin11.3.0] (local build) Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net Device is in SLEEP mode, exit(2) }}} This occurs even when actively using the disks (e.g. dd if=/dev/disk0...). Also, the Power mode is displayed as SLEEP by specifying -n never: {{{ # smartctl -i -n never /dev/disk1 ... === START OF INFORMATION SECTION === Device Model: INTEL SSDSC2CT120A3 Serial Number: LU WWN Device Id: Firmware Version: 300i User Capacity: 120,034,123,776 bytes [120 GB] Sector Size: 512 bytes logical/physical Device is: Not in smartctl database [for details use: -P showall] ATA Version is: 8 ATA Standard is: ACS-2 revision 3 Local Time is: Fri Jun 1 11:47:52 2012 EST SMART support is: Available - device has SMART capability. SMART support is: Enabled Power mode was: SLEEP ... }}} Expected behaviour: Should detect and report the correct power mode. System Info: Have tried this with the following drives, with the same problem occurring: - Hitachi HTS725050A9A362 - INTEL SSDSC2CT120A3 On a MacBook Pro (mid-2010), Intel 5 Series Chipset, Mac OS X 10.7.4. Running smartmontools v5.42-1 from MacPorts: {{{ # port echo installed | grep smartmontools smartmontools @5.42_1+attributelog+savestates }}} ",enhancement,closed,minor,,all,5.42,wontfix,macosx needinfo,