http://www.linuxjournal.com/content/know-when-your-drives-are-failing-smartd
# service smartd restart
Redirecting to /bin/systemctl restart smartd.service
# WARNING: Your hard drive is failing
Device: /dev/sdc [USB Sunplus], 1 Currently unreadable (pending) sectors
WARNING: Your hard drive is failing
Device: /dev/sdc [USB Sunplus], 1 Offline uncorrectable sectors
# smartctl -A /dev/sdc
smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.10.0-229.20.1.el7.x86_64] (local build)
Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF READ SMART DATA SECTION ===
SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
1 Raw_Read_Error_Rate 0x000f 200 200 051 Pre-fail Always - 0
3 Spin_Up_Time 0x0003 239 190 021 Pre-fail Always - 3041
4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 555
5 Reallocated_Sector_Ct 0x0033 196 196 140 Pre-fail Always - 25
7 Seek_Error_Rate 0x000f 200 200 051 Pre-fail Always - 0
9 Power_On_Hours 0x0032 038 038 000 Old_age Always - 45770
10 Spin_Retry_Count 0x0013 100 100 051 Pre-fail Always - 0
11 Calibration_Retry_Count 0x0012 100 100 051 Old_age Always - 0
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 550
190 Airflow_Temperature_Cel 0x0022 057 030 045 Old_age Always In_the_past 43
194 Temperature_Celsius 0x0022 107 080 000 Old_age Always - 43
196 Reallocated_Event_Count 0x0032 199 199 000 Old_age Always - 1
197 Current_Pending_Sector 0x0012 200 200 000 Old_age Always - 1
198 Offline_Uncorrectable 0x0010 200 200 000 Old_age Offline - 1
199 UDMA_CRC_Error_Count 0x003e 200 200 000 Old_age Always - 0
200 Multi_Zone_Error_Rate 0x0009 200 200 051 Pre-fail Offline - 0
[root@hp-server ~]# smartctl -l error /dev/sdc
smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.10.0-229.20.1.el7.x86_64] (local build)
Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF READ SMART DATA SECTION ===
SMART Error Log Version: 1
ATA Error Count: 8073 (device log contains only the most recent five errors)
CR = Command Register [HEX]
FR = Features Register [HEX]
SC = Sector Count Register [HEX]
SN = Sector Number Register [HEX]
CL = Cylinder Low Register [HEX]
CH = Cylinder High Register [HEX]
DH = Device/Head Register [HEX]
DC = Device Command Register [HEX]
ER = Error register [HEX]
ST = Status register [HEX]
Powered_Up_Time is measured from power on, and printed as
DDd+hh:mm:SS.sss where DD=days, hh=hours, mm=minutes,
SS=sec, and sss=millisec. It "wraps" after 49.710 days.
Error 8073 occurred at disk power-on lifetime: 45761 hours (1906 days + 17 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
40 51 ff 5f 65 74 40 Error: UNC at LBA = 0x0074655f = 7628127
Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- ---------------- --------------------
60 40 08 5f 65 74 00 00 01:12:54.018 READ FPDMA QUEUED
61 20 08 6f 38 f4 01 00 01:12:54.018 WRITE FPDMA QUEUED
60 20 08 af 2e 73 00 00 01:12:54.006 READ FPDMA QUEUED
61 80 08 ef 37 f4 01 00 01:12:54.005 WRITE FPDMA QUEUED
60 80 08 57 6b 47 00 00 01:12:54.004 READ FPDMA QUEUED
Error 8072 occurred at disk power-on lifetime: 45761 hours (1906 days + 17 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
40 51 ff d7 5e 86 40 Error: UNC at LBA = 0x00865ed7 = 8806103
Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- ---------------- --------------------
60 80 08 d7 5e 86 00 00 01:12:43.715 READ FPDMA QUEUED
61 68 08 3f 03 f4 01 00 01:12:43.714 WRITE FPDMA QUEUED
60 80 08 df ab 88 00 00 01:12:43.713 READ FPDMA QUEUED
61 80 08 bf 02 f4 01 00 01:12:43.712 WRITE FPDMA QUEUED
60 80 08 5f ab 88 00 00 01:12:43.712 READ FPDMA QUEUED
Error 8071 occurred at disk power-on lifetime: 45761 hours (1906 days + 17 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
40 51 ff 5f 9a 35 40 Error: UNC at LBA = 0x00359a5f = 3512927
Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- ---------------- --------------------
60 80 08 5f 9a 35 00 00 01:12:00.714 READ FPDMA QUEUED
61 08 08 7f bd 5e 00 00 01:12:00.713 WRITE FPDMA QUEUED
61 08 08 77 bd 5e 00 00 01:12:00.713 WRITE FPDMA QUEUED
61 80 08 87 1c f3 01 00 01:12:00.699 WRITE FPDMA QUEUED
60 80 08 df 99 35 00 00 01:12:00.698 READ FPDMA QUEUED
Error 8070 occurred at disk power-on lifetime: 45761 hours (1906 days + 17 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
40 51 ff 67 f6 32 40 Error: UNC at LBA = 0x0032f667 = 3339879
Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- ---------------- --------------------
60 80 08 67 f6 32 00 00 01:08:00.328 READ FPDMA QUEUED
61 80 08 47 74 f0 01 00 01:08:00.310 WRITE FPDMA QUEUED
60 80 08 e7 f5 32 00 00 01:08:00.310 READ FPDMA QUEUED
61 80 08 c7 73 f0 01 00 01:08:00.309 WRITE FPDMA QUEUED
60 80 08 67 f5 32 00 00 01:08:00.308 READ FPDMA QUEUED
Error 8069 occurred at disk power-on lifetime: 45761 hours (1906 days + 17 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
40 51 ff 67 7e 4e 40 Error: UNC at LBA = 0x004e7e67 = 5144167
Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- ---------------- --------------------
60 80 08 67 7e 4e 00 00 01:07:35.101 READ FPDMA QUEUED
61 80 08 3f 05 f0 01 00 01:07:35.000 WRITE FPDMA QUEUED
60 80 08 e7 7d 4e 00 00 01:07:34.999 READ FPDMA QUEUED
61 80 08 bf 04 f0 01 00 01:07:34.999 WRITE FPDMA QUEUED
60 80 08 67 7d 4e 00 00 01:07:34.982 READ FPDMA QUEUED
Another one
/var/log/messages-20160228:Feb 22 07:44:57 guava smartd[770]: Device: /dev/sda [SAT], 24 Offline uncorrectable sectors
/var/log/messages-20160228:Feb 22 08:14:57 guava smartd[770]: Device: /dev/sda [SAT], 24 Currently unreadable (pending) sectors
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