While the monthly scrub was running the following errors (at the bottom
of the post, copied from syslog) were issued.
I ran a full test smartctl -l selftest /dev/sdf and no errors were
found.
I did notice that the drive also upped its "raw read error rate" by a
value of 4 from zero, but has since issued no further errors or
problems.
> === START OF INFORMATION SECTION ===
> Model Family: Western Digital Red (AF)
> Device Model: WDC WD30EFRX-68EUZN0
> Serial Number: WD-WMC4N0990925
> LU WWN Device Id: 5 0014ee 603e8733c
> Firmware Version: 80.00A80
> 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: Mon Mar 2 14:26:46 2015 GMT
> 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: (40860) 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: ( 410) 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 - 4
> 3 Spin_Up_Time 0x0027 186 179 021 Pre-fail Always - 5683
> 4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 156
> 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 085 085 000 Old_age Always - 10965
> 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 - 156
> 192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 91
> 193 Load_Cycle_Count 0x0032 199 199 000 Old_age Always - 4453
> 194 Temperature_Celsius 0x0022 118 111 000 Old_age Always - 32
> 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 200 200 000 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 Extended offline Completed without error 00% 10949 -
> # 2 Extended offline Completed without error 00% 5486 -
> # 3 Short offline Completed without error 00% 5478 -
>
> 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.
As you can see above the extended off line completed without error.
I'm guessing it might be a case of "watch and see" if more errors start
to happen then look at RMA'ing it? Or is the RRER a non
issue/manufacture specific doesn't mean much in its own rights value?
I also read that it can sometimes be caused by bad cables or noise bleed
from unshielded cables, but would that hold true when the device it self
knows a problem of some description related to it self has happened as
opposed to the kernel throwing a wobbler but the drive not reporting
anything. (I have had old/cheap sata cables cause intermittent kernel
floods along the line of "device ata, resetting, link down" but none of
these caused the drive it self to issue/know of any problems.
> 12:50:44 borgCube kernel: [253970.367307] ata6.00: exception Emask 0x0 SAct 0x1e00 SErr 0x0 action 0x0
> Mar 1 12:50:44 borgCube kernel: [253970.367309] ata6.00: irq_stat 0x40000008
> Mar 1 12:50:44 borgCube kernel: [253970.367311] ata6.00: failed command: READ FPDMA QUEUED
> Mar 1 12:50:44 borgCube kernel: [253970.367313] ata6.00: cmd 60/00:48:d0:b9:96/04:00:52:01:00/40 tag 9 ncq 524288 in
> Mar 1 12:50:44 borgCube kernel: [253970.367313] res 41/40:00:d8:bc:96/00:00:52:01:00/40 Emask 0x409 (media error) <F>
> Mar 1 12:50:44 borgCube kernel: [253970.367314] ata6.00: status: { DRDY ERR }
> Mar 1 12:50:44 borgCube kernel: [253970.367314] ata6.00: error: { UNC }
> Mar 1 12:50:44 borgCube kernel: [253970.368337] ata6.00: configured for UDMA/133
> Mar 1 12:50:44 borgCube kernel: [253970.368365] sd 5:0:0:0: [sdf] Unhandled sense code
> Mar 1 12:50:44 borgCube kernel: [253970.368366] sd 5:0:0:0: [sdf]
> Mar 1 12:50:44 borgCube kernel: [253970.368366] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
> Mar 1 12:50:44 borgCube kernel: [253970.368367] sd 5:0:0:0: [sdf]
> Mar 1 12:50:44 borgCube kernel: [253970.368368] Sense Key : Medium Error [current] [descriptor]
> Mar 1 12:50:44 borgCube kernel: [253970.368369] Descriptor sense data with sense descriptors (in hex):
> Mar 1 12:50:44 borgCube kernel: [253970.368369] 72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 01
> Mar 1 12:50:44 borgCube kernel: [253970.368372] 52 96 bc d8
> Mar 1 12:50:44 borgCube kernel: [253970.368374] sd 5:0:0:0: [sdf]
> Mar 1 12:50:44 borgCube kernel: [253970.368375] Add. Sense: Unrecovered read error - auto reallocate failed
> Mar 1 12:50:44 borgCube kernel: [253970.368375] sd 5:0:0:0: [sdf] CDB:
> Mar 1 12:50:44 borgCube kernel: [253970.368376] Read(16): 88 00 00 00 00 01 52 96 b9 d0 00 00 04 00 00 00
> Mar 1 12:50:44 borgCube kernel: [253970.368380] end_request: I/O error, dev sdf, sector 5680577752
> Mar 1 12:50:44 borgCube kernel: [253970.368391] ata6: EH complete
> Mar 1 12:50:48 borgCube kernel: [253974.067305] ata6.00: exception Emask 0x0 SAct 0x10 SErr 0x0 action 0x0
> Mar 1 12:50:48 borgCube kernel: [253974.067307] ata6.00: irq_stat 0x40000008
> Mar 1 12:50:48 borgCube kernel: [253974.067309] ata6.00: failed command: READ FPDMA QUEUED
> Mar 1 12:50:48 borgCube kernel: [253974.067311] ata6.00: cmd 60/80:20:d8:bc:96/00:00:52:01:00/40 tag 4 ncq 65536 in
> Mar 1 12:50:48 borgCube kernel: [253974.067311] res 41/40:00:d8:bc:96/00:00:52:01:00/40 Emask 0x409 (media error) <F>
> Mar 1 12:50:48 borgCube kernel: [253974.067312] ata6.00: status: { DRDY ERR }
> Mar 1 12:50:48 borgCube kernel: [253974.067312] ata6.00: error: { UNC }
> Mar 1 12:50:48 borgCube kernel: [253974.068360] ata6.00: configured for UDMA/133
> Mar 1 12:50:48 borgCube kernel: [253974.068368] sd 5:0:0:0: [sdf] Unhandled sense code
> Mar 1 12:50:48 borgCube kernel: [253974.068369] sd 5:0:0:0: [sdf]
> Mar 1 12:50:48 borgCube kernel: [253974.068369] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
> Mar 1 12:50:48 borgCube kernel: [253974.068370] sd 5:0:0:0: [sdf]
> Mar 1 12:50:48 borgCube kernel: [253974.068371] Sense Key : Medium Error [current] [descriptor]
> Mar 1 12:50:48 borgCube kernel: [253974.068372] Descriptor sense data with sense descriptors (in hex):
> Mar 1 12:50:48 borgCube kernel: [253974.068373] 72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 01
> Mar 1 12:50:48 borgCube kernel: [253974.068375] 52 96 bc d8
> Mar 1 12:50:48 borgCube kernel: [253974.068377] sd 5:0:0:0: [sdf]
> Mar 1 12:50:48 borgCube kernel: [253974.068378] Add. Sense: Unrecovered read error - auto reallocate failed
> Mar 1 12:50:48 borgCube kernel: [253974.068378] sd 5:0:0:0: [sdf] CDB:
> Mar 1 12:50:48 borgCube kernel: [253974.068379] Read(16): 88 00 00 00 00 01 52 96 bc d8 00 00 00 80 00 00
> Mar 1 12:50:48 borgCube kernel: [253974.068383] end_request: I/O error, dev sdf, sector 5680577752
> Mar 1 12:50:48 borgCube kernel: [253974.068392] ata6: EH complete
> Mar 1 12:50:48 borgCube kernel: [253974.238221] md/raid:md51: read error corrected (8 sectors at 5478837464 on sdf5)
> Mar 1 12:50:48 borgCube kernel: [253974.238226] md/raid:md51: read error corrected (8 sectors at 5478837472 on sdf5)
> Mar 1 12:50:48 borgCube kernel: [253974.238227] md/raid:md51: read error corrected (8 sectors at 5478837480 on sdf5)
> Mar 1 12:50:48 borgCube kernel: [253974.238228] md/raid:md51: read error corrected (8 sectors at 5478837488 on sdf5)
> Mar 1 12:50:48 borgCube kernel: [253974.238229] md/raid:md51: read error corrected (8 sectors at 5478837496 on sdf5)
> Mar 1 12:50:48 borgCube kernel: [253974.238231] md/raid:md51: read error corrected (8 sectors at 5478837504 on sdf5)
> Mar 1 12:50:48 borgCube kernel: [253974.238232] md/raid:md51: read error corrected (8 sectors at 5478837512 on sdf5)
> Mar 1 12:50:48 borgCube kernel: [253974.238233] md/raid:md51: read error corrected (8 sectors at 5478837520 on sdf5)
> Mar 1 12:50:48 borgCube kernel: [253974.238234] md/raid:md51: read error corrected (8 sectors at 5478837528 on sdf5)
> Mar 1 12:50:48 borgCube kernel: [253974.238235] md/raid:md51: read error corrected (8 sectors at 5478837536 on sdf5)
> Mar 1 12:50:52 borgCube kernel: [253977.979357] ata6.00: exception Emask 0x0 SAct 0x60 SErr 0x0 action 0x0
> Mar 1 12:50:52 borgCube kernel: [253977.979359] ata6.00: irq_stat 0x40000008
> Mar 1 12:50:52 borgCube kernel: [253977.979361] ata6.00: failed command: READ FPDMA QUEUED
> Mar 1 12:50:52 borgCube kernel: [253977.979364] ata6.00: cmd 60/00:28:d8:c1:96/04:00:52:01:00/40 tag 5 ncq 524288 in
> Mar 1 12:50:52 borgCube kernel: [253977.979364] res 41/40:00:18:c3:96/00:00:52:01:00/40 Emask 0x409 (media error) <F>
> Mar 1 12:50:52 borgCube kernel: [253977.979366] ata6.00: status: { DRDY ERR }
> Mar 1 12:50:52 borgCube kernel: [253977.979366] ata6.00: error: { UNC }
> Mar 1 12:50:52 borgCube kernel: [253977.980565] ata6.00: configured for UDMA/133
> Mar 1 12:50:52 borgCube kernel: [253977.980591] sd 5:0:0:0: [sdf] Unhandled sense code
> Mar 1 12:50:52 borgCube kernel: [253977.980592] sd 5:0:0:0: [sdf]
> Mar 1 12:50:52 borgCube kernel: [253977.980593] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
> Mar 1 12:50:52 borgCube kernel: [253977.980594] sd 5:0:0:0: [sdf]
> Mar 1 12:50:52 borgCube kernel: [253977.980595] Sense Key : Medium Error [current] [descriptor]
> Mar 1 12:50:52 borgCube kernel: [253977.980597] Descriptor sense data with sense descriptors (in hex):
> Mar 1 12:50:52 borgCube kernel: [253977.980598] 72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 01
> Mar 1 12:50:52 borgCube kernel: [253977.980602] 52 96 c3 18
> Mar 1 12:50:52 borgCube kernel: [253977.980604] sd 5:0:0:0: [sdf]
> Mar 1 12:50:52 borgCube kernel: [253977.980605] Add. Sense: Unrecovered read error - auto reallocate failed
> Mar 1 12:50:52 borgCube kernel: [253977.980606] sd 5:0:0:0: [sdf] CDB:
> Mar 1 12:50:52 borgCube kernel: [253977.980607] Read(16): 88 00 00 00 00 01 52 96 c1 d8 00 00 04 00 00 00
> Mar 1 12:50:52 borgCube kernel: [253977.980612] end_request: I/O error, dev sdf, sector 5680579352
> Mar 1 12:50:52 borgCube kernel: [253977.980636] ata6: EH complete
> Mar 1 12:50:55 borgCube kernel: [253981.511344] ata6.00: exception Emask 0x0 SAct 0x3ff00 SErr 0x0 action 0x0
> Mar 1 12:50:55 borgCube kernel: [253981.511346] ata6.00: irq_stat 0x40000008
> Mar 1 12:50:55 borgCube kernel: [253981.511348] ata6.00: failed command: READ FPDMA QUEUED
> Mar 1 12:50:55 borgCube kernel: [253981.511350] ata6.00: cmd 60/80:40:18:c3:96/00:00:52:01:00/40 tag 8 ncq 65536 in
> Mar 1 12:50:55 borgCube kernel: [253981.511350] res 41/40:00:18:c3:96/00:00:52:01:00/40 Emask 0x409 (media error) <F>
> Mar 1 12:50:55 borgCube kernel: [253981.511351] ata6.00: status: { DRDY ERR }
> Mar 1 12:50:55 borgCube kernel: [253981.511351] ata6.00: error: { UNC }
> Mar 1 12:50:55 borgCube kernel: [253981.512557] ata6.00: configured for UDMA/133
> Mar 1 12:50:55 borgCube kernel: [253981.512567] sd 5:0:0:0: [sdf] Unhandled sense code
> Mar 1 12:50:55 borgCube kernel: [253981.512568] sd 5:0:0:0: [sdf]
> Mar 1 12:50:55 borgCube kernel: [253981.512569] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
> Mar 1 12:50:55 borgCube kernel: [253981.512570] sd 5:0:0:0: [sdf]
> Mar 1 12:50:55 borgCube kernel: [253981.512570] Sense Key : Medium Error [current] [descriptor]
> Mar 1 12:50:55 borgCube kernel: [253981.512572] Descriptor sense data with sense descriptors (in hex):
> Mar 1 12:50:55 borgCube kernel: [253981.512572] 72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 01
> Mar 1 12:50:55 borgCube kernel: [253981.512575] 52 96 c3 18
> Mar 1 12:50:55 borgCube kernel: [253981.512576] sd 5:0:0:0: [sdf]
> Mar 1 12:50:55 borgCube kernel: [253981.512577] Add. Sense: Unrecovered read error - auto reallocate failed
> Mar 1 12:50:55 borgCube kernel: [253981.512578] sd 5:0:0:0: [sdf] CDB:
> Mar 1 12:50:55 borgCube kernel: [253981.512579] Read(16): 88 00 00 00 00 01 52 96 c3 18 00 00 00 80 00 00
> Mar 1 12:50:55 borgCube kernel: [253981.512582] end_request: I/O error, dev sdf, sector 5680579352
> Mar 1 12:50:55 borgCube kernel: [253981.512596] ata6: EH complete
> Mar 1 12:50:55 borgCube kernel: [253981.635156] raid5_end_read_request: 6 callbacks suppressed
> Mar 1 12:50:55 borgCube kernel: [253981.635163] md/raid:md51: read error corrected (8 sectors at 5478839064 on sdf5)
> Mar 1 12:50:55 borgCube kernel: [253981.635165] md/raid:md51: read error corrected (8 sectors at 5478839072 on sdf5)
> Mar 1 12:50:55 borgCube kernel: [253981.635167] md/raid:md51: read error corrected (8 sectors at 5478839080 on sdf5)
> Mar 1 12:50:55 borgCube kernel: [253981.635168] md/raid:md51: read error corrected (8 sectors at 5478839088 on sdf5)
> Mar 1 12:50:55 borgCube kernel: [253981.635170] md/raid:md51: read error corrected (8 sectors at 5478839096 on sdf5)
> Mar 1 12:50:55 borgCube kernel: [253981.635171] md/raid:md51: read error corrected (8 sectors at 5478839104 on sdf5)
> Mar 1 12:50:55 borgCube kernel: [253981.635173] md/raid:md51: read error corrected (8 sectors at 5478839112 on sdf5)
> Mar 1 12:50:55 borgCube kernel: [253981.635174] md/raid:md51: read error corrected (8 sectors at 5478839120 on sdf5)
> Mar 1 12:50:55 borgCube kernel: [253981.635176] md/raid:md51: read error corrected (8 sectors at 5478839128 on sdf5)
> Mar 1 12:50:55 borgCube kernel: [253981.635178] md/raid:md51: read error corrected (8 sectors at 5478839136 on sdf5)
> Mar 1 13:16:42 borgCube kernel: [255528.361600] md: md51: data-check done.
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