Wednesday 5th November 2014: 2.57pm. Link shared: http://smartmontools.sourceforge.net
Started seeing hard read errors on the cloud node in the ZFS mirror set recently. Turns out my oldest hard drive in that cloud node (excluding the Samsung 830 SSD, I don't think that will ever get old) at a venerable 1.92 years of being switched on has started to see Raw Read Errors. Poo, that means I'll need to replace it, it's so tedious :(
Still, I once again have much gratititude to FreeNAS for regularly testing drives every two weeks for this stuff and emailing me to tell me of the problem, and of course it's on a mirror pair, so no data loss is expected.
ned@milla:~$ sudo smartctl -a /dev/sde
smartctl 5.41 2011-06-09 r3365 [x86_64-linux-2.6.32-33-pve] (local build)
=== START OF INFORMATION SECTION ===
Device Model: WDC WD30EFRX-68AX9N0
Serial Number: WD-WMC1T0072257
LU WWN Device Id: 5 0014ee 058ae5dcd
Firmware Version: 80.00A80
User Capacity: 3,000,592,982,016 bytes [3.00 TB]
Sector Sizes: 512 bytes logical, 4096 bytes physical
Device is: Not in smartctl database [for details use: -P showall]
ATA Version is: 9
ATA Standard is: Exact ATA specification draft version not indicated
Local Time is: Wed Nov 5 14:30:04 2014 GMT
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
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 - 15390
3 Spin_Up_Time 0x0027 182 178 021 Pre-fail Always - 5900
4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 82
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 077 077 000 Old_age Always - 16867
10 Spin_Retry_Count 0x0032 100 253 000 Old_age Always - 0
11 Calibration_Retry_Count 0x0032 100 253 000 Old_age Always - 0
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 53
192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 30
193 Load_Cycle_Count 0x0032 200 200 000 Old_age Always - 51
194 Temperature_Celsius 0x0022 122 105 000 Old_age Always - 28
196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0
197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always - 0
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
No Errors Logged
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% 16865 -
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.