<div dir="ltr">I have a WD EasyStore 8TB (Model <span style="color:rgb(71,71,71);font-family:Arial,Helvetica,sans-serif">WDBCKA0080HBK-NESN) that is giving the attached error. I see no errors in the S.M.A.R.T. drive logs, nor do I see any problems when manually running tests on the drive. The drive is only 3 days old. I have also been seeing this on my other USB drive (WD EasyStore 4TB model </span><span style="color:rgb(73,73,74);font-family:Arial,Helvetica,sans-serif;font-size:13px">WDBCKA0040HBK-NESN. I cannot tell if this is a false positive or not. </span><span style="color:rgb(71,71,71);font-family:Arial,Helvetica,sans-serif">I have been getting emails off and on for the past day. Usually every couple of hours. </span><div><font color="#474747" face="Arial, Helvetica, sans-serif"><br></font></div><div><font color="#474747" face="Arial, Helvetica, sans-serif">Here is what I see in my syslog:</font></div><div><font color="#474747" face="Arial, Helvetica, sans-serif"><br></font></div><div><font color="#474747"><div style="font-family:Arial,Helvetica,sans-serif">Sep 24 08:10:54 Henry-Server smartd[845]: Device: /dev/sdg [SAT], not capable of SMART self-check</div><div style="font-family:Arial,Helvetica,sans-serif">Sep 24 08:10:56 Henry-Server smartd[845]: Device: /dev/sdg [SAT], failed to read SMART Attribute Data</div><div style="font-family:Arial,Helvetica,sans-serif"><br></div><div style="font-family:Arial,Helvetica,sans-serif">Later, I get the following:</div><div style="font-family:Arial,Helvetica,sans-serif"><div><br></div><div>Sep 24 08:40:43 Henry-Server smartd[845]: Device: /dev/sdg [SAT], read SMART Attribute Data worked again, warning condition reset after 1 email</div></div><div style="font-family:Arial,Helvetica,sans-serif"><br></div><div style="font-family:Arial,Helvetica,sans-serif">Here is my output from smartctl -a -d sat /dev/sdg:</div><div style="font-family:Arial,Helvetica,sans-serif"><br></div><div><div><font face="monospace, monospace">smartctl 6.6 2016-05-31 r4324 [x86_64-linux-4.10.0-35-generic] (local build)</font></div><div><font face="monospace, monospace">Copyright (C) 2002-16, Bruce Allen, Christian Franke, <a href="http://www.smartmontools.org">www.smartmontools.org</a></font></div><div><font face="monospace, monospace"><br></font></div><div><font face="monospace, monospace">=== START OF INFORMATION SECTION ===</font></div><div><font face="monospace, monospace">Device Model:   WDC WD80EFAX-68LHPN0</font></div><div><font face="monospace, monospace">Serial Number:   7SG6SGUC</font></div><div><font face="monospace, monospace">LU WWN Device Id: 5 000cca 252c3125c</font></div><div><font face="monospace, monospace">Firmware Version: 83.H0A83</font></div><div><font face="monospace, monospace">User Capacity:   8,001,563,222,016 bytes [8.00 TB]</font></div><div><font face="monospace, monospace">Sector Sizes:   512 bytes logical, 4096 bytes physical</font></div><div><font face="monospace, monospace">Rotation Rate:   5400 rpm</font></div><div><font face="monospace, monospace">Form Factor:    3.5 inches</font></div><div><font face="monospace, monospace">Device is:     Not in smartctl database [for details use: -P showall]</font></div><div><font face="monospace, monospace">ATA Version is:  ACS-2, ATA8-ACS T13/1699-D revision 4</font></div><div><font face="monospace, monospace">SATA Version is:  SATA 3.2, 6.0 Gb/s (current: 6.0 Gb/s)</font></div><div><font face="monospace, monospace">Local Time is:   Sun Sep 24 19:37:41 2017 EDT</font></div><div><font face="monospace, monospace">SMART support is: Available - device has SMART capability.</font></div><div><font face="monospace, monospace">SMART support is: Enabled</font></div><div><font face="monospace, monospace"><br></font></div><div><font face="monospace, monospace">=== START OF READ SMART DATA SECTION ===</font></div><div><font face="monospace, monospace">SMART overall-health self-assessment test result: PASSED</font></div><div><font face="monospace, monospace"><br></font></div><div><font face="monospace, monospace">General SMART Values:</font></div><div><font face="monospace, monospace">Offline data collection status:  (0x82)<span style="white-space:pre"> </span>Offline data collection activity</font></div><div><font face="monospace, monospace"><span style="white-space:pre"> </span>was completed without error.</font></div><div><font face="monospace, monospace"><span style="white-space:pre"> </span>Auto Offline Data Collection: Enabled.</font></div><div><font face="monospace, monospace">Self-test execution status:    (  0)<span style="white-space:pre"> </span>The previous self-test routine completed</font></div><div><font face="monospace, monospace"><span style="white-space:pre"> </span>without error or no self-test has ever </font></div><div><font face="monospace, monospace"><span style="white-space:pre"> </span>been run.</font></div><div><font face="monospace, monospace">Total time to complete Offline </font></div><div><font face="monospace, monospace">data collection: <span style="white-space:pre"> </span>(  93) seconds.</font></div><div><font face="monospace, monospace">Offline data collection</font></div><div><font face="monospace, monospace">capabilities: <span style="white-space:pre"> </span> (0x5b) SMART execute Offline immediate.</font></div><div><font face="monospace, monospace"><span style="white-space:pre"> </span>Auto Offline data collection on/off support.</font></div><div><font face="monospace, monospace"><span style="white-space:pre"> </span>Suspend Offline collection upon new</font></div><div><font face="monospace, monospace"><span style="white-space:pre"> </span>command.</font></div><div><font face="monospace, monospace"><span style="white-space:pre"> </span>Offline surface scan supported.</font></div><div><font face="monospace, monospace"><span style="white-space:pre"> </span>Self-test supported.</font></div><div><font face="monospace, monospace"><span style="white-space:pre"> </span>No Conveyance Self-test supported.</font></div><div><font face="monospace, monospace"><span style="white-space:pre"> </span>Selective Self-test supported.</font></div><div><font face="monospace, monospace">SMART capabilities:       (0x0003)<span style="white-space:pre"> </span>Saves SMART data before entering</font></div><div><font face="monospace, monospace"><span style="white-space:pre"> </span>power-saving mode.</font></div><div><font face="monospace, monospace"><span style="white-space:pre"> </span>Supports SMART auto save timer.</font></div><div><font face="monospace, monospace">Error logging capability:     (0x01)<span style="white-space:pre"> </span>Error logging supported.</font></div><div><font face="monospace, monospace"><span style="white-space:pre"> </span>General Purpose Logging supported.</font></div><div><font face="monospace, monospace">Short self-test routine </font></div><div><font face="monospace, monospace">recommended polling time: <span style="white-space:pre"> </span> (  2) minutes.</font></div><div><font face="monospace, monospace">Extended self-test routine</font></div><div><font face="monospace, monospace">recommended polling time: <span style="white-space:pre"> </span> (1104) minutes.</font></div><div><font face="monospace, monospace">SCT capabilities: <span style="white-space:pre"> </span>    (0x003d)<span style="white-space:pre"> </span>SCT Status supported.</font></div><div><font face="monospace, monospace"><span style="white-space:pre"> </span>SCT Error Recovery Control supported.</font></div><div><font face="monospace, monospace"><span style="white-space:pre"> </span>SCT Feature Control supported.</font></div><div><font face="monospace, monospace"><span style="white-space:pre"> </span>SCT Data Table supported.</font></div><div><font face="monospace, monospace"><br></font></div><div><font face="monospace, monospace">SMART Attributes Data Structure revision number: 16</font></div><div><font face="monospace, monospace">Vendor Specific SMART Attributes with Thresholds:</font></div><div><font face="monospace, monospace">ID# ATTRIBUTE_NAME      FLAG   VALUE WORST THRESH TYPE    UPDATED  WHEN_FAILED RAW_VALUE</font></div><div><font face="monospace, monospace"> 1 Raw_Read_Error_Rate   0x000b  100  100  016   Pre-fail  Always    -    0</font></div><div><font face="monospace, monospace"> 2 Throughput_Performance  0x0004  129  129  054   Old_age  Offline    -    112</font></div><div><font face="monospace, monospace"> 3 Spin_Up_Time       0x0007  253  253  024   Pre-fail  Always    -    40 (Average 71)</font></div><div><font face="monospace, monospace"> 4 Start_Stop_Count     0x0012  100  100  000   Old_age  Always    -    36</font></div><div><font face="monospace, monospace"> 5 Reallocated_Sector_Ct  0x0033  100  100  005   Pre-fail  Always    -    0</font></div><div><font face="monospace, monospace"> 7 Seek_Error_Rate     0x000a  100  100  067   Old_age  Always    -    0</font></div><div><font face="monospace, monospace"> 8 Seek_Time_Performance  0x0004  128  128  020   Old_age  Offline    -    18</font></div><div><font face="monospace, monospace"> 9 Power_On_Hours      0x0012  100  100  000   Old_age  Always    -    83</font></div><div><font face="monospace, monospace"> 10 Spin_Retry_Count     0x0012  100  100  060   Old_age  Always    -    0</font></div><div><font face="monospace, monospace"> 12 Power_Cycle_Count    0x0032  100  100  000   Old_age  Always    -    23</font></div><div><font face="monospace, monospace"> 22 Unknown_Attribute    0x0023  100  100  025   Pre-fail  Always    -    100</font></div><div><font face="monospace, monospace">192 Power-Off_Retract_Count 0x0032  100  100  000   Old_age  Always    -    38</font></div><div><font face="monospace, monospace">193 Load_Cycle_Count     0x0012  100  100  000   Old_age  Always    -    38</font></div><div><font face="monospace, monospace">194 Temperature_Celsius   0x0002  158  158  000   Old_age  Always    -    41 (Min/Max 25/62)</font></div><div><font face="monospace, monospace">196 Reallocated_Event_Count 0x0032  100  100  000   Old_age  Always    -    0</font></div><div><font face="monospace, monospace">197 Current_Pending_Sector  0x0022  100  100  000   Old_age  Always    -    0</font></div><div><font face="monospace, monospace">198 Offline_Uncorrectable  0x0008  100  100  000   Old_age  Offline    -    0</font></div><div><font face="monospace, monospace">199 UDMA_CRC_Error_Count   0x000a  200  200  000   Old_age  Always    -    0</font></div><div><font face="monospace, monospace"><br></font></div><div><font face="monospace, monospace">SMART Error Log Version: 1</font></div><div><font face="monospace, monospace">No Errors Logged</font></div><div><font face="monospace, monospace"><br></font></div><div><font face="monospace, monospace">SMART Self-test log structure revision number 1</font></div><div><font face="monospace, monospace">Num  Test_Description   Status          Remaining  LifeTime(hours)  LBA_of_first_error</font></div><div><font face="monospace, monospace"># 1  Short offline    Completed without error    00%     82     -</font></div><div><font face="monospace, monospace"># 2  Short offline    Completed without error    00%     81     -</font></div><div><font face="monospace, monospace"># 3  Short offline    Completed without error    00%     81     -</font></div><div><font face="monospace, monospace"># 4  Short offline    Completed without error    00%     77     -</font></div><div><font face="monospace, monospace"># 5  Short offline    Completed without error    00%     71     -</font></div><div><font face="monospace, monospace"># 6  Short offline    Completed without error    00%     66     -</font></div><div><font face="monospace, monospace"># 7  Short offline    Completed without error    00%     59     -</font></div><div><font face="monospace, monospace"><br></font></div><div><font face="monospace, monospace">SMART Selective self-test log data structure revision number 1</font></div><div><font face="monospace, monospace"> SPAN  MIN_LBA  MAX_LBA  CURRENT_TEST_STATUS</font></div><div><font face="monospace, monospace">  1     0     0  Not_testing</font></div><div><font face="monospace, monospace">  2     0     0  Not_testing</font></div><div><font face="monospace, monospace">  3     0     0  Not_testing</font></div><div><font face="monospace, monospace">  4     0     0  Not_testing</font></div><div><font face="monospace, monospace">  5     0     0  Not_testing</font></div><div><font face="monospace, monospace">Selective self-test flags (0x0):</font></div><div><font face="monospace, monospace"> After scanning selected spans, do NOT read-scan remainder of disk.</font></div><div><font face="monospace, monospace">If Selective self-test is pending on power-up, resume after 0 minute delay.</font></div><div style="font-family:Arial,Helvetica,sans-serif"><br></div></div></font></div></div>