XXX@XXX:~/devel/smartmontools$ dmesg ... [ 655.488607] usb 4-3: new SuperSpeed USB device number 5 using xhci_hcd [ 655.502908] usb 4-3: New USB device found, idVendor=067b, idProduct=2773 [ 655.502912] usb 4-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 655.502915] usb 4-3: Product: ATAPI-6 Bridge Controller [ 655.502917] usb 4-3: Manufacturer: Prolific Technology Inc. [ 655.502920] usb 4-3: SerialNumber: 0123456789000000005 [ 655.503244] usb 4-3: Set SEL for device-initiated U1 failed. [ 655.503317] usb 4-3: Set SEL for device-initiated U2 failed. [ 655.503385] usb-storage 4-3:1.0: USB Mass Storage device detected [ 655.503547] scsi7 : usb-storage 4-3:1.0 [ 655.503626] usb 4-3: Set SEL for device-initiated U1 failed. [ 655.503702] usb 4-3: Set SEL for device-initiated U2 failed. [ 656.501907] scsi 7:0:0:0: Direct-Access WDC WD20 EARS-00MVWB0 51.0 PQ: 0 ANSI: 0 [ 656.502163] sd 7:0:0:0: Attached scsi generic sg1 type 0 [ 656.502502] sd 7:0:0:0: [sdb] 3907029168 512-byte logical blocks: (2.00 TB/1.81 TiB) [ 656.502762] sd 7:0:0:0: [sdb] Write Protect is off [ 656.502766] sd 7:0:0:0: [sdb] Mode Sense: 03 00 00 00 [ 656.503124] sd 7:0:0:0: [sdb] No Caching mode page found [ 656.503128] sd 7:0:0:0: [sdb] Assuming drive cache: write through [ 656.505011] sd 7:0:0:0: [sdb] No Caching mode page found [ 656.505016] sd 7:0:0:0: [sdb] Assuming drive cache: write through [ 656.563094] sdb: sdb1 sdb2 [ 656.564210] sd 7:0:0:0: [sdb] No Caching mode page found [ 656.564215] sd 7:0:0:0: [sdb] Assuming drive cache: write through [ 656.564218] sd 7:0:0:0: [sdb] Attached SCSI disk XXX@XXX:~/devel/smartmontools$ sudo ./smartctl -x /dev/sdb smartctl 6.4 2014-10-07 r4002 [x86_64-linux-3.13.0-39-generic] (local build) Copyright (C) 2002-14, Bruce Allen, Christian Franke, www.smartmontools.org === START OF INFORMATION SECTION === Model Family: Western Digital Caviar Green (AF) Device Model: WDC WD20EARS-00MVWB0 Serial Number: WD-WMAZA0665703 LU WWN Device Id: 5 0014ee 0ad14039a Firmware Version: 51.0AB51 User Capacity: 2.000.398.934.016 bytes [2,00 TB] Sector Size: 512 bytes logical/physical Device is: In smartctl database [for details use: -P show] ATA Version is: ATA8-ACS (minor revision not indicated) SATA Version is: SATA 2.6, 3.0 Gb/s Local Time is: Tue Nov 4 20:31:54 2014 CET SMART support is: Available - device has SMART capability. SMART support is: Enabled AAM feature is: Disabled APM feature is: Unavailable Rd look-ahead is: Enabled Write cache is: Enabled ATA Security is: Disabled, NOT FROZEN [SEC1] Write SCT (Get) Feature Control Command failed: DATA OUT ATA commands not implemented [Prolific] Wt Cache Reorder: Unknown (SCT Feature Control command failed) === START OF READ SMART DATA SECTION === SMART overall-health self-assessment test result: PASSED General SMART Values: Offline data collection status: (0x85) Offline data collection activity was aborted by an interrupting command from host. Auto Offline Data Collection: Enabled. Self-test execution status: ( 0) The previous self-test routine completed without error or no self-test has ever been run. Total time to complete Offline data collection: (36480) seconds. Offline data collection capabilities: (0x7b) SMART execute Offline immediate. Auto Offline data collection on/off support. Suspend Offline collection upon new command. Offline surface scan supported. Self-test supported. Conveyance Self-test supported. Selective Self-test supported. SMART capabilities: (0x0003) Saves SMART data before entering power-saving mode. Supports SMART auto save timer. Error logging capability: (0x01) Error logging supported. General Purpose Logging supported. Short self-test routine recommended polling time: ( 2) minutes. Extended self-test routine recommended polling time: ( 352) minutes. Conveyance self-test routine recommended polling time: ( 5) minutes. SCT capabilities: (0x3035) SCT Status supported. SCT Feature Control supported. SCT Data Table supported. SMART Attributes Data Structure revision number: 16 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAGS VALUE WORST THRESH FAIL RAW_VALUE 1 Raw_Read_Error_Rate POSR-K 198 198 051 - 744 3 Spin_Up_Time POS--K 172 160 021 - 6375 4 Start_Stop_Count -O--CK 098 098 000 - 2693 5 Reallocated_Sector_Ct PO--CK 196 196 140 - 83 7 Seek_Error_Rate -OSR-K 200 200 000 - 0 9 Power_On_Hours -O--CK 066 066 000 - 25155 10 Spin_Retry_Count -O--CK 100 100 000 - 0 11 Calibration_Retry_Count -O--CK 100 253 000 - 0 12 Power_Cycle_Count -O--CK 100 100 000 - 88 192 Power-Off_Retract_Count -O--CK 200 200 000 - 48 193 Load_Cycle_Count -O--CK 139 139 000 - 185926 194 Temperature_Celsius -O---K 124 099 000 - 26 196 Reallocated_Event_Count -O--CK 165 165 000 - 35 197 Current_Pending_Sector -O--CK 001 001 000 - 65489 198 Offline_Uncorrectable ----CK 200 200 000 - 0 199 UDMA_CRC_Error_Count -O--CK 200 200 000 - 0 200 Multi_Zone_Error_Rate ---R-- 200 195 000 - 0 ||||||_ K auto-keep |||||__ C event count ||||___ R error rate |||____ S speed/performance ||_____ O updated online |______ P prefailure warning ATA_READ_LOG_EXT (addr=0x00:0x00, page=0, n=1) failed: 48-bit ATA commands not implemented [Prolific] Read GP Log Directory failed SMART Log Directory Version 1 [multi-sector log support] Address Access R/W Size Description 0x00 SL R/O 1 Log Directory 0x01 SL R/O 1 Summary SMART error log 0x02 SL R/O 5 Comprehensive SMART error log 0x06 SL R/O 1 SMART self-test log 0x09 SL R/W 1 Selective self-test log 0x80-0x9f SL R/W 16 Host vendor specific log 0xa0-0xa7 SL VS 16 Device vendor specific log 0xa8-0xb7 SL VS 1 Device vendor specific log 0xc0 SL VS 1 Device vendor specific log 0xe0 SL R/W 1 SCT Command/Status 0xe1 SL R/W 1 SCT Data Transfer SMART Extended Comprehensive Error Log (GP Log 0x03) not supported SMART Error Log Version: 1 No Errors Logged SMART Extended Self-test Log (GP Log 0x07) not supported SMART Self-test log structure revision number 1 Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error # 1 Short offline Completed without error 00% 25151 - # 2 Short offline Completed without error 00% 25148 - # 3 Short offline Completed without error 00% 25148 - # 4 Short offline Aborted by host 90% 25148 - # 5 Short offline Completed without error 00% 25147 - # 6 Short offline Completed without error 00% 25144 - # 7 Short offline Completed without error 00% 25139 - # 8 Extended offline Completed: read failure 90% 25138 553593756 # 9 Short offline Completed: read failure 90% 25138 553593752 #10 Short offline Completed: read failure 90% 25138 553593756 #11 Short offline Completed: read failure 90% 25138 553593752 #12 Extended offline Completed without error 00% 23091 - #13 Short offline Completed without error 00% 23084 - #14 Short offline Completed without error 00% 20338 - SMART Selective self-test log data structure revision number 1 SPAN MIN_LBA MAX_LBA CURRENT_TEST_STATUS 1 0 0 Not_testing 2 0 0 Not_testing 3 0 0 Not_testing 4 0 0 Not_testing 5 0 0 Not_testing Selective self-test flags (0x0): After scanning selected spans, do NOT read-scan remainder of disk. If Selective self-test is pending on power-up, resume after 0 minute delay. SCT Status Version: 3 SCT Version (vendor specific): 258 (0x0102) SCT Support Level: 1 Device State: Active (0) Current Temperature: 26 Celsius Power Cycle Min/Max Temperature: 23/26 Celsius Lifetime Min/Max Temperature: 10/51 Celsius Under/Over Temperature Limit Count: 0/0 Write SCT Data Table failed: DATA OUT ATA commands not implemented [Prolific] Read SCT Temperature History failed SCT Error Recovery Control command not supported Device Statistics (GP/SMART Log 0x04) not supported ATA_READ_LOG_EXT (addr=0x11:0x00, page=0, n=1) failed: 48-bit ATA commands not implemented [Prolific] Read SATA Phy Event Counters failed XXX@XXX:~/devel/smartmontools$ sudo ./smartctl -t short /dev/sdb smartctl 6.4 2014-10-07 r4002 [x86_64-linux-3.13.0-39-generic] (local build) Copyright (C) 2002-14, Bruce Allen, Christian Franke, www.smartmontools.org === START OF OFFLINE IMMEDIATE AND SELF-TEST SECTION === Sending command: "Execute SMART Short self-test routine immediately in off-line mode". Drive command "Execute SMART Short self-test routine immediately in off-line mode" successful. Testing has begun. Please wait 2 minutes for test to complete. Test will complete after Tue Nov 4 20:35:30 2014 Use smartctl -X to abort test.