Hello everyone...
I recently noticed that one of my drives, /dev/ada1, has been compromised with a bad block, and the console is emitting
The odd thing is that the other disk in the mirrored vdev, /dev/ada0, is perfectly fine (i.e. no errors logged) after also having run the SMART long test, and yet also has a pending sector:
What gives? By most measures, these drives are very new—I've got a seven-year-old Seagate 1 TB HDD in an old desktop that's still whirring along perfectly fine, and that desktop has been switched on nearly every day. RMAs will also likely be a pain in the neck for me given that I bought the drives on Amazon, but don't live in the US. Speaking of which—could the high temperatures in my tropical country have contributed to this (the drives rarely, but do hit 40–45 degrees C)? How do I know my drives are truly failing, and it isn't just a bit of corrupt data?
Thanks in advance.
I recently noticed that one of my drives, /dev/ada1, has been compromised with a bad block, and the console is emitting
1 Currently unreadable (pending) sectors messages every half an hour. Reading through, I ran smartctl -t long /dev/ada1. Following is the output of smartctl -a /dev/ada1:Code:
root@freenas:~ # smartctl -a /dev/ada1 smartctl 6.5 2016-05-07 r4318 [FreeBSD 11.0-STABLE amd64] (local build) Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org === START OF INFORMATION SECTION === Model Family: Western Digital Red Device Model: WDC WD30EFRX-68EUZN0 Serial Number: ***REDACTED*** LU WWN Device Id: 5 0014ee 20d75626d Firmware Version: 82.00A82 User Capacity: 3,000,592,982,016 bytes [3.00 TB] Sector Sizes: 512 bytes logical, 4096 bytes physical Rotation Rate: 5400 rpm Device is: In smartctl database [for details use: -P show] ATA Version is: ACS-2 (minor revision not indicated) SATA Version is: SATA 3.0, 6.0 Gb/s (current: 6.0 Gb/s) Local Time is: Tue Jul 4 17:20:01 2017 +08 SMART support is: Available - device has SMART capability. SMART support is: 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: ( 121) The previous self-test completed having the read element of the test failed. Total time to complete Offline data collection: (39900) 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: ( 400) minutes. Conveyance self-test routine recommended polling time: ( 5) minutes. SCT capabilities: (0x703d) 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 FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x002f 200 200 051 Pre-fail Always - 132 3 Spin_Up_Time 0x0027 192 180 021 Pre-fail Always - 5400 4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 134 5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0 7 Seek_Error_Rate 0x002e 200 200 000 Old_age Always - 0 9 Power_On_Hours 0x0032 092 092 000 Old_age Always - 6315 10 Spin_Retry_Count 0x0032 100 100 000 Old_age Always - 0 11 Calibration_Retry_Count 0x0032 100 100 000 Old_age Always - 0 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 134 192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 121 193 Load_Cycle_Count 0x0032 200 200 000 Old_age Always - 717 194 Temperature_Celsius 0x0022 115 104 000 Old_age Always - 35 196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0 197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always - 1 198 Offline_Uncorrectable 0x0030 100 253 000 Old_age Offline - 0 199 UDMA_CRC_Error_Count 0x0032 200 200 000 Old_age Always - 0 200 Multi_Zone_Error_Rate 0x0008 100 253 000 Old_age Offline - 0 SMART Error Log Version: 1 ATA Error Count: 21 (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 21 occurred at disk power-on lifetime: 6294 hours (262 days + 6 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 00 70 0c 04 46 Error: UNC at LBA = 0x06040c70 = 100928624 Commands leading to the command that caused the error were: CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name -- -- -- -- -- -- -- -- ---------------- -------------------- c8 00 00 b8 0b 04 46 08 04:31:07.269 READ DMA c8 00 00 b8 0b 04 46 08 04:31:03.274 READ DMA Error 20 occurred at disk power-on lifetime: 6294 hours (262 days + 6 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 00 70 0c 04 46 Error: UNC at LBA = 0x06040c70 = 100928624 Commands leading to the command that caused the error were: CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name -- -- -- -- -- -- -- -- ---------------- -------------------- c8 00 00 b8 0b 04 46 08 04:31:03.274 READ DMA Error 19 occurred at disk power-on lifetime: 6251 hours (260 days + 11 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 00 70 0c 04 46 Error: UNC at LBA = 0x06040c70 = 100928624 Commands leading to the command that caused the error were: CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name -- -- -- -- -- -- -- -- ---------------- -------------------- c8 00 00 b8 0b 04 46 08 14d+00:28:29.348 READ DMA c8 00 00 b8 0b 04 46 08 14d+00:28:25.341 READ DMA c8 00 00 b8 0b 04 46 08 14d+00:28:21.356 READ DMA c8 00 00 b8 0b 04 46 08 14d+00:28:17.348 READ DMA Error 18 occurred at disk power-on lifetime: 6251 hours (260 days + 11 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 00 70 0c 04 46 Error: UNC at LBA = 0x06040c70 = 100928624 Commands leading to the command that caused the error were: CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name -- -- -- -- -- -- -- -- ---------------- -------------------- c8 00 00 b8 0b 04 46 08 14d+00:28:25.341 READ DMA c8 00 00 b8 0b 04 46 08 14d+00:28:21.356 READ DMA c8 00 00 b8 0b 04 46 08 14d+00:28:17.348 READ DMA Error 17 occurred at disk power-on lifetime: 6251 hours (260 days + 11 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 00 70 0c 04 46 Error: UNC at LBA = 0x06040c70 = 100928624 Commands leading to the command that caused the error were: CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name -- -- -- -- -- -- -- -- ---------------- -------------------- c8 00 00 b8 0b 04 46 08 14d+00:28:21.356 READ DMA c8 00 00 b8 0b 04 46 08 14d+00:28:17.348 READ DMA SMART Self-test log structure revision number 1 Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error # 1 Extended offline Completed: read failure 90% 6311 100928624 # 2 Extended offline Completed: read failure 90% 6273 100928625 # 3 Conveyance offline Completed without error 00% 31 - # 4 Conveyance offline Completed without error 00% 4 - # 5 Short offline Completed without error 00% 4 - 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.
The odd thing is that the other disk in the mirrored vdev, /dev/ada0, is perfectly fine (i.e. no errors logged) after also having run the SMART long test, and yet also has a pending sector:
Code:
root@freenas:~ # smartctl -a /dev/ada0 smartctl 6.5 2016-05-07 r4318 [FreeBSD 11.0-STABLE amd64] (local build) Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org === START OF INFORMATION SECTION === Model Family: Western Digital Red Device Model: WDC WD30EFRX-68EUZN0 Serial Number: ***REDACTED*** LU WWN Device Id: 5 0014ee 262cad5a5 Firmware Version: 82.00A82 User Capacity: 3,000,592,982,016 bytes [3.00 TB] Sector Sizes: 512 bytes logical, 4096 bytes physical Rotation Rate: 5400 rpm Device is: In smartctl database [for details use: -P show] ATA Version is: ACS-2 (minor revision not indicated) SATA Version is: SATA 3.0, 6.0 Gb/s (current: 6.0 Gb/s) Local Time is: Tue Jul 4 17:25:20 2017 +08 SMART support is: Available - device has SMART capability. SMART support is: 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: (38940) 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: ( 391) minutes. Conveyance self-test routine recommended polling time: ( 5) minutes. SCT capabilities: (0x703d) 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 FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x002f 200 200 051 Pre-fail Always - 24 3 Spin_Up_Time 0x0027 190 178 021 Pre-fail Always - 5458 4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 134 5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0 7 Seek_Error_Rate 0x002e 200 200 000 Old_age Always - 0 9 Power_On_Hours 0x0032 092 092 000 Old_age Always - 6315 10 Spin_Retry_Count 0x0032 100 100 000 Old_age Always - 0 11 Calibration_Retry_Count 0x0032 100 100 000 Old_age Always - 0 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 134 192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 121 193 Load_Cycle_Count 0x0032 200 200 000 Old_age Always - 716 194 Temperature_Celsius 0x0022 114 104 000 Old_age Always - 36 196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0 197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always - 1 198 Offline_Uncorrectable 0x0030 100 253 000 Old_age Offline - 0 199 UDMA_CRC_Error_Count 0x0032 200 200 000 Old_age Always - 0 200 Multi_Zone_Error_Rate 0x0008 200 200 000 Old_age Offline - 15 SMART Error Log Version: 1 No Errors Logged SMART Self-test log structure revision number 1 Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error # 1 Extended offline Completed without error 00% 6308 - # 2 Extended offline Completed without error 00% 6280 - # 3 Short offline Completed without error 00% 31 - # 4 Conveyance offline Completed without error 00% 31 - # 5 Short offline Completed without error 00% 4 - # 6 Conveyance offline Completed without error 00% 4 - # 7 Short offline Completed without error 00% 4 - 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.
What gives? By most measures, these drives are very new—I've got a seven-year-old Seagate 1 TB HDD in an old desktop that's still whirring along perfectly fine, and that desktop has been switched on nearly every day. RMAs will also likely be a pain in the neck for me given that I bought the drives on Amazon, but don't live in the US. Speaking of which—could the high temperatures in my tropical country have contributed to this (the drives rarely, but do hit 40–45 degrees C)? How do I know my drives are truly failing, and it isn't just a bit of corrupt data?
Thanks in advance.
