Attribute 241 seems to be Host_Writes_32MiB, because it increases by 1 if i write 32MiB to the drive.
Best regards Michael
smartctl 6.3 2014-07-26 r3976 [x86_64-linux-3.18.5-alt451-amd64] (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 Wed Oct 21 17:31:17 2015 Use smartctl -X to abort test. smartctl 6.3 2014-07-26 r3976 [x86_64-linux-3.18.5-alt451-amd64] (local build) Copyright (C) 2002-14, Bruce Allen, Christian Franke, www.smartmontools.org === START OF INFORMATION SECTION === Device Model: TOSHIBA THNSNH128GCST Serial Number: 14VS1080TAIY LU WWN Device Id: 5 00080d 9100a39ab Firmware Version: HTFAN102 User Capacity: 128,035,676,160 bytes [128 GB] Sector Size: 512 bytes logical/physical Rotation Rate: Solid State Device Form Factor: 2.5 inches Device is: Not in smartctl database [for details use: -P showall] ATA Version is: ACS-2 (minor revision not indicated) SATA Version is: SATA 3.1, 6.0 Gb/s (current: 3.0 Gb/s) Local Time is: Wed Oct 21 17:33:15 2015 UTC SMART support is: Available - device has SMART capability. SMART support is: Enabled AAM feature is: Unavailable APM level is: 254 (maximum performance) Rd look-ahead is: Enabled Write cache is: Enabled ATA Security is: Disabled, NOT FROZEN [SEC1] Wt Cache Reorder: Enabled === START OF READ SMART DATA SECTION === SMART overall-health self-assessment test result: PASSED General SMART Values: Offline data collection status: (0x00) Offline data collection activity was never started. Auto Offline Data Collection: Disabled. 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: ( 120) seconds. Offline data collection capabilities: (0x5b) SMART execute Offline immediate. Auto Offline data collection on/off support. Suspend Offline collection upon new command. Offline surface scan supported. Self-test supported. No 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: ( 8) minutes. SCT capabilities: (0x0039) SCT Status supported. SCT Error Recovery Control 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 -O-R-- 100 100 000 - 0 2 Throughput_Performance P-S--- 100 100 050 - 0 3 Spin_Up_Time POS--- 100 100 050 - 0 5 Reallocated_Sector_Ct PO--C- 100 100 050 - 0 7 Unknown_SSD_Attribute PO-R-- 100 100 050 - 0 8 Unknown_SSD_Attribute P-S--- 100 100 050 - 0 9 Power_On_Hours -O--C- 100 100 000 - 530 10 Unknown_SSD_Attribute PO--C- 100 100 050 - 0 12 Power_Cycle_Count -O--C- 100 100 000 - 41 167 Unknown_Attribute -O---K 100 100 000 - 0 168 Unknown_Attribute -O--C- 100 100 000 - 0 169 Unknown_Attribute PO--C- 100 100 010 - 100 170 Unknown_Attribute PO--C- 100 100 010 - 0 173 Unknown_Attribute -O--C- 200 200 000 - 846225 174 Unknown_Attribute -O--C- 200 200 000 - 53687 175 Program_Fail_Count_Chip PO--C- 100 100 010 - 0 187 Reported_Uncorrect -O--CK 100 100 000 - 0 192 Power-Off_Retract_Count -O--C- 100 100 000 - 5 194 Temperature_Celsius -O---K 070 048 000 - 30 (Min/Max 21/52) 197 Current_Pending_Sector -O--C- 100 100 000 - 0 240 Unknown_SSD_Attribute PO--C- 100 100 050 - 0 241 Total_LBAs_Written -O--C- 100 100 000 - 10388 242 Total_LBAs_Read -O--C- 100 100 000 - 9658 243 Unknown_Attribute -O--C- 100 100 000 - 0 ||||||_ K auto-keep |||||__ C event count ||||___ R error rate |||____ S speed/performance ||_____ O updated online |______ P prefailure warning General Purpose Log Directory Version 1 SMART Log Directory Version 1 [multi-sector log support] Address Access R/W Size Description 0x00 GPL,SL R/O 1 Log Directory 0x01 SL R/O 1 Summary SMART error log 0x02 SL R/O 51 Comprehensive SMART error log 0x03 GPL R/O 64 Ext. Comprehensive SMART error log 0x04 GPL,SL R/O 8 Device Statistics log 0x06 SL R/O 1 SMART self-test log 0x07 GPL R/O 1 Extended self-test log 0x09 SL R/W 1 Selective self-test log 0x10 GPL R/O 1 NCQ Command Error log 0x11 GPL R/O 1 SATA Phy Event Counters 0x30 GPL,SL R/O 9 IDENTIFY DEVICE data log 0x80-0x9f GPL,SL R/W 16 Host vendor specific log 0xe0 GPL,SL R/W 1 SCT Command/Status 0xe1 GPL,SL R/W 1 SCT Data Transfer SMART Extended Comprehensive Error Log Version: 1 (64 sectors) No Errors Logged SMART Extended Self-test Log Version: 1 (1 sectors) Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error # 1 Short offline Completed without error 00% 530 - 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): 3 (0x0003) SCT Support Level: 0 Device State: Active (0) Current Temperature: 30 Celsius Power Cycle Min/Max Temperature: 25/31 Celsius Lifetime Min/Max Temperature: 21/52 Celsius Lifetime Average Temperature: 21 Celsius Under/Over Temperature Limit Count: 0/0 SCT Temperature History Version: 2 Temperature Sampling Period: 1 minute Temperature Logging Interval: 1 minute Min/Max recommended Temperature: 5/40 Celsius Min/Max Temperature Limit: 0/80 Celsius Temperature History Size (Index): 128 (40) Index Estimated Time Temperature Celsius 41 2015-10-21 15:26 23 **** ... ..( 3 skipped). .. **** 45 2015-10-21 15:30 23 **** 46 2015-10-21 15:31 24 ***** ... ..( 43 skipped). .. ***** 90 2015-10-21 16:15 24 ***** 91 2015-10-21 16:16 ? - 92 2015-10-21 16:17 26 ******* 93 2015-10-21 16:18 26 ******* 94 2015-10-21 16:19 27 ******** ... ..( 4 skipped). .. ******** 99 2015-10-21 16:24 27 ******** 100 2015-10-21 16:25 28 ********* ... ..( 11 skipped). .. ********* 112 2015-10-21 16:37 28 ********* 113 2015-10-21 16:38 29 ********** ... ..( 50 skipped). .. ********** 36 2015-10-21 17:29 29 ********** 37 2015-10-21 17:30 30 *********** 38 2015-10-21 17:31 31 ************ 39 2015-10-21 17:32 31 ************ 40 2015-10-21 17:33 30 *********** SCT Error Recovery Control: Read: 600 (60.0 seconds) Write: 600 (60.0 seconds) Device Statistics (GP Log 0x04) Page Offset Size Value Description 1 ===== = = == General Statistics (rev 2) == 1 0x008 4 41 Lifetime Power-On Resets 1 0x018 6 680788270 Logical Sectors Written 1 0x020 6 4496883 Number of Write Commands 1 0x028 6 633006344 Logical Sectors Read 1 0x030 6 11640388 Number of Read Commands 4 ===== = = == General Errors Statistics (rev 1) == 4 0x008 4 0 Number of Reported Uncorrectable Errors 4 0x010 4 0 Resets Between Cmd Acceptance and Completion 5 ===== = = == Temperature Statistics (rev 1) == 5 0x008 1 30 Current Temperature 5 0x010 1 23 Average Short Term Temperature 5 0x018 1 - Average Long Term Temperature 5 0x020 1 47 Highest Temperature 5 0x028 1 21 Lowest Temperature 5 0x030 1 34 Highest Average Short Term Temperature 5 0x038 1 21 Lowest Average Short Term Temperature 5 0x040 1 - Highest Average Long Term Temperature 5 0x048 1 - Lowest Average Long Term Temperature 5 0x050 4 490 Time in Over-Temperature 5 0x058 1 40 Specified Maximum Operating Temperature 5 0x060 4 0 Time in Under-Temperature 5 0x068 1 5 Specified Minimum Operating Temperature 6 ===== = = == Transport Statistics (rev 1) == 6 0x008 4 285 Number of Hardware Resets 6 0x018 4 0 Number of Interface CRC Errors 7 ===== = = == Solid State Device Statistics (rev 1) == 7 0x008 1 0~ Percentage Used Endurance Indicator |_ ~ normalized value SATA Phy Event Counters (GP Log 0x11) ID Size Value Description 0x0001 2 0 Command failed due to ICRC error 0x0002 4 0 R_ERR response for data FIS 0x0003 2 0 R_ERR response for device-to-host data FIS 0x0004 2 0 R_ERR response for host-to-device data FIS 0x0005 4 0 R_ERR response for non-data FIS 0x0006 2 0 R_ERR response for device-to-host non-data FIS 0x0007 2 0 R_ERR response for host-to-device non-data FIS 0x0008 2 0 Device-to-host non-data FIS retries 0x0009 4 0 Transition from drive PhyRdy to drive PhyNRdy 0x000a 4 0 Device-to-host register FISes sent due to a COMRESET 0x000f 2 0 R_ERR response for host-to-device data FIS, CRC 0x0010 2 0 R_ERR response for host-to-device data FIS, non-CRC 0x0012 2 0 R_ERR response for host-to-device non-data FIS, CRC 0x0013 2 0 R_ERR response for host-to-device non-data FIS, non-CRC
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