![]() ![]() SATA Version is: SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s) User Capacity: 500,107,862,016 bytes ĭevice is: In smartctl database ĪTA Version is: ACS-2, ATA8-ACS T13/1699-D revision 4c (or via diskutil list on command line.) Here is an example of the output: smartctl 6.2 r3841 (local build)Ĭopyright (C) 2002-13, Bruce Allen, Christian Franke, = START OF INFORMATION SECTION = DRIVEDX STUDENT INSTALL Offline data collection status: (0x00) Offline data collection activity SMART overall-health self-assessment test result: PASSED SMART support is: Available - device has SMART capability. Self-test execution status: ( 0) The previous self-test routine completedĬapabilities: (0x53) SMART execute Offline immediate.Īuto Offline data collection on/off support. SMART capabilities: (0x0003) Saves SMART data before enteringĮrror logging capability: (0x01) Error logging supported. Full USB support would require SCSI pass-through support which does not yet exist on Mac OS X.Vendor Specific SMART Attributes with Thresholds: SMART Attributes Data Structure revision number: 1 SCT capabilities: (0x003d) SCT Status supported. Note that this does not support 48-bit ATA commands (-l xerror) or non-SMART ATA commands (-s apm,N). On OSX El Capitan (10.11+) you may need a signed driver, which can be downloaded from the DriveDx website. The OS X SAT SMART Driver provides access to SMART data for SAT, JMicron and Sunplus capable USB and Firewire devices on Mac OS X. Smartmontools refers to this on their USB devices and smartmontools page… Also linked are how-tos for specific OS versions. If you want the driver, access it through the DriveDx page linked above, as they link to various versions for different purposes. SAT SMART Driver is free open source project (published under Apple Public Source License) by Jarkko Sonninen. ![]() If you want to perform external drive diagnostics on OS X – currently there is only one option – you can install 3rd party kernel extension – SAT SMART Driver. There are some exceptions requiring an extra plugin available from the makers of DriveDx, who note… It's generally accepted that you can't get SMART data over USB on Macs, because they don't provide SCSI passthrough. If you read down that list, see how many have been tested to work on macOS… I can't find any. ![]() => VALID ARGUMENTS ARE: ata, scsi, nvme, sat,usbcypress, usbjmicron, usbprolific, usbsunplus, sntjmicron, sntrealtek, intelliprop,N, jmb39x,N, jms56x,N, auto, test <=Īm I doing something wrong? I noticed everyone else is getting the correct output with the same command. Smartctl 7.2 r5155 (local build)Ĭopyright (C) 2002-20, Bruce Allen, Christian Franke, /dev/disk3: Type 'sat+.': Not a device of type 'scsi' Unfortunately the output of the correct command on macOS Mojave is: $ smartctl -d sat -a /dev/disk3 ![]() I checked smartmontools wiki to find instructions about its usage with USB hard drives and found out you have to add -d with the correct driver, in my case it's -d sat. I first ran $ smartctl -a /dev/disk3 but clearly the output was bound to be: smartctl 7.2 r5155 (local build)Ĭopyright (C) 2002-20, Bruce Allen, Christian Franke, Smartctl open device: /dev/disk3 failed: Operation not supported by device I recently tried getting smart status for my WD My Passport USB hard drive. ![]()
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