Uncorrectable parity/CRC error on Seagate ST500DM002-1BD142 KC45
A harddrive as identified below, reported uncorrectable parity/CRC error on two separate occasions this month.
ada1 at ahcich1 bus 0 scbus1 target 0 lun 0 ada1: <ST500DM002-1BD142 KC45> ATA-8 SATA 3.x device ada1: Serial Number [withheld] ada1: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 8192bytes) ada1: Command Queueing enabled ada1: 476940MB (976773168 512 byte sectors: 16H 63S/T 16383C) ada1: quirks=0x1<4K> ada1: Previously was known as ad6
These are the log messages for the first occasion:
May 7 15:58:10 <kern.crit> enterprise kernel: [446896] (ada1:ahcich1:0:0:0): WRITE_FPDMA_QUEUED. ACB: 61 58 f0 4f 85 40 1d 00 00 00 00 00 May 7 15:58:10 <kern.crit> enterprise kernel: [446896] (ada1:ahcich1:0:0:0): CAM status: Uncorrectable parity/CRC error May 7 15:58:10 <kern.crit> enterprise kernel: [446896] (ada1:ahcich1:0:0:0): Retrying command
These are the log messages for the second occasion:
May 13 12:48:01 <kern.crit> enterprise kernel: [953887] (ada1:ahcich1:0:0:0): WRITE_FPDMA_QUEUED. ACB: 61 00 50 2e 01 40 07 00 00 01 00 00 May 13 12:48:01 <kern.crit> enterprise kernel: [953887] (ada1:ahcich1:0:0:0): CAM status: Uncorrectable parity/CRC error May 13 12:48:01 <kern.crit> enterprise kernel: [953887] (ada1:ahcich1:0:0:0): Retrying command
ZFS ran a scrub on Sun May 18 04:46:20 2014, and found nothing to be ashamed of:
pool: enterprise_zroot
state: ONLINE
scan: scrub repaired 0 in 1h7m with 0 errors on Sun May 18 04:46:20 2014
config:
NAME STATE READ WRITE CKSUM
enterprise_zroot ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
ada0p3 ONLINE 0 0 0
ada1p3 ONLINE 0 0 0
errors: No known data errors
smartctl reports a total of 4 CRC errors, but otherwise the drive’s sound.
smartctl 6.2 2014-02-18 r3874 [FreeBSD 9.3-PRERELEASE amd64] (local build)
Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Model Family: Seagate Barracuda 7200.14 (AF)
Device Model: ST500DM002-1BD142
Serial Number: [withheld]
LU WWN Device Id: 5 000c50 03f5711f2
Firmware Version: KC45
User Capacity: 500.107.862.016 bytes [500 GB]
Sector Sizes: 512 bytes logical, 4096 bytes physical
Rotation Rate: 7200 rpm
Device is: In smartctl database [for details use: -P show]
ATA Version is: ATA8-ACS T13/1699-D revision 4
SATA Version is: SATA 3.0, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is: Mon May 19 14:28:04 2014 CEST
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: (0x82) Offline data collection activity
was completed without error.
Auto Offline Data Collection: Enabled.
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: ( 600) 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: ( 1) minutes.
Extended self-test routine
recommended polling time: ( 83) minutes.
Conveyance self-test routine
recommended polling time: ( 2) minutes.
SCT capabilities: (0x303f) SCT Status supported.
SCT Error Recovery Control supported.
SCT Feature Control supported.
SCT Data Table supported.
SMART Attributes Data Structure revision number: 10
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 104 099 006 Pre-fail Always - 6566432
3 Spin_Up_Time 0x0003 100 100 000 Pre-fail Always - 0
4 Start_Stop_Count 0x0032 100 100 020 Old_age Always - 43
5 Reallocated_Sector_Ct 0x0033 100 100 036 Pre-fail Always - 0
7 Seek_Error_Rate 0x000f 086 060 030 Pre-fail Always - 405702078
9 Power_On_Hours 0x0032 077 077 000 Old_age Always - 20614
10 Spin_Retry_Count 0x0013 100 100 097 Pre-fail Always - 0
12 Power_Cycle_Count 0x0032 100 100 020 Old_age Always - 43
183 Runtime_Bad_Block 0x0032 100 100 000 Old_age Always - 0
184 End-to-End_Error 0x0032 100 100 099 Old_age Always - 0
187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always - 0
188 Command_Timeout 0x0032 100 099 000 Old_age Always - 0 0 2
189 High_Fly_Writes 0x003a 100 100 000 Old_age Always - 0
190 Airflow_Temperature_Cel 0x0022 069 053 045 Old_age Always - 31 (Min/Max 31/31)
194 Temperature_Celsius 0x0022 031 047 000 Old_age Always - 31 (0 19 0 0 0)
195 Hardware_ECC_Recovered 0x001a 050 030 000 Old_age Always - 6566432
197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always - 0
198 Offline_Uncorrectable 0x0010 100 100 000 Old_age Offline - 0
199 UDMA_CRC_Error_Count 0x003e 200 200 000 Old_age Always - 4
240 Head_Flying_Hours 0x0000 100 253 000 Old_age Offline - 20614h+04m+30.834s
241 Total_LBAs_Written 0x0000 100 253 000 Old_age Offline - 3951821603
242 Total_LBAs_Read 0x0000 100 253 000 Old_age Offline - 3756107205
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% 12747 -
# 2 Short offline Completed without error 00% 12745 -
# 3 Extended offline Completed without error 00% 3721 -
# 4 Short offline Completed without error 00% 3719 -
# 5 Extended offline Completed without error 00% 3363 -
# 6 Short offline Completed without error 00% 3361 -
# 7 Extended offline Completed without error 00% 3000 -
# 8 Short offline Completed without error 00% 2999 -
# 9 Extended offline Completed without error 00% 1451 -
#10 Extended offline Completed without error 00% 1311 -
#11 Extended offline Completed without error 00% 613 -
#12 Extended offline Completed without error 00% 550 -
#13 Short offline Completed without error 00% 548 -
#14 Extended offline Completed without error 00% 260 -
#15 Conveyance offline Completed without error 00% 134 -
#16 Extended offline Completed without error 00% 14 -
#17 Short offline Completed without error 00% 12 -
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.
Maybe this is due to faulty SATA cables, or maybe my Seagate drives are finally approaching their ultimate fate.