December 13, 20196 yr Hi Guys, I have this one HDD that shows particularly high "UDMA CRC error count" - 106411915 and still passes SMART Extended Test. CA Fix Common Problems Plugin also showed notification once when I plugged the drive first time into the server saying "High UDMA CRC error count". Should I keep the drive for a rainy day or should I chuck it into the Trash Can without doubt? I swapped it for SSD in my old laptop thus the 8979 Power on hours. Currently the drive is an Unassigned empty spare just in case I need it. Attaching Screenshot and smartctl data below for reference. smartctl 7.0 2018-12-30 r4883 [x86_64-linux-4.19.56-Unraid] (local build) Copyright (C) 2002-18, Bruce Allen, Christian Franke, www.smartmontools.org === START OF INFORMATION SECTION === Model Family: Toshiba 2.5" HDD MQ01ABD... Device Model: TOSHIBA MQ01ABD100 Serial Number: XXXXXXXXX LU WWN Device Id: XXXXXXXXXXXXXXXXXXXXXX Firmware Version: AX0P2D User Capacity: 1,000,204,886,016 bytes [1.00 TB] Sector Sizes: 512 bytes logical, 4096 bytes physical Rotation Rate: 5400 rpm Form Factor: 2.5 inches Device is: In smartctl database [for details use: -P show] ATA Version is: ATA8-ACS (minor revision not indicated) SATA Version is: SATA 3.0, 6.0 Gb/s (current: 6.0 Gb/s) Local Time is: Fri Dec 13 05:20:16 2019 EST 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: ( 120) seconds. Offline data collection capabilities: (0x5b) SMART execute Offline immediate. Auto Offline data collection on/off support. Suspend Offline collection upon new command. Offline surface scan supported. Self-test supported. No 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: ( 236) minutes. SCT capabilities: (0x003d) SCT Status supported. SCT Error Recovery Control supported. SCT Feature Control supported. SCT Data Table supported. SMART Attributes Data Structure revision number: 128 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x000b 100 100 050 Pre-fail Always - 0 3 Spin_Up_Time 0x0027 100 100 001 Pre-fail Always - 1728 5 Reallocated_Sector_Ct 0x0033 100 100 050 Pre-fail Always - 0 9 Power_On_Hours 0x0032 078 078 000 Old_age Always - 8978 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 1258 191 G-Sense_Error_Rate 0x0032 100 100 000 Old_age Always - 339 192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always - 209 193 Load_Cycle_Count 0x0032 080 080 000 Old_age Always - 200083 194 Temperature_Celsius 0x0022 100 100 000 Old_age Always - 28 (Min/Max 9/56) 199 UDMA_CRC_Error_Count 0x0032 100 100 000 Old_age Always - 106411915 200 Multi_Zone_Error_Rate 0x0032 100 100 000 Old_age Always - 277302786 240 Head_Flying_Hours 0x0032 087 087 000 Old_age Always - 5418 241 Total_LBAs_Written 0x0032 100 100 000 Old_age Always - 60050122750 242 Total_LBAs_Read 0x0032 100 100 000 Old_age Always - 53705701370 254 Free_Fall_Sensor 0x0032 100 100 000 Old_age Always - 150 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% 8976 - # 2 Short offline Completed without error 00% 8642 - # 3 Short offline Completed without error 00% 8608 - # 4 Short offline Completed without error 00% 8518 - # 5 Short offline Completed without error 00% 8095 - # 6 Short offline Completed without error 00% 5752 - # 7 Short offline Interrupted (host reset) 30% 4497 - # 8 Short offline Completed without error 00% 4233 - # 9 Short offline Completed without error 00% 3504 - #10 Short offline Completed without error 00% 3406 - #11 Short offline Completed without error 00% 3257 - #12 Short offline Completed without error 00% 3257 - #13 Short offline Completed without error 00% 3026 - #14 Short offline Completed without error 00% 2795 - #15 Short offline Completed without error 00% 1744 - #16 Short offline Completed without error 00% 1363 - #17 Short offline Completed without error 00% 1144 - #18 Short offline Completed without error 00% 984 - #19 Short offline Completed without error 00% 612 - #20 Short offline Completed without error 00% 469 - #21 Extended offline Interrupted (host reset) 90% 258 - 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. Thanks in Advance! -SS Dell R720xd - 12 x 3.5" + 2 x 2.5" | Lenovo SA120 - 12 x 3.5" 2 x E5 - 2650 V2 | 128Gb DDR3 ECC RAM IT MODE HP H220 LSI 9207-8i | IT MODE LSI 9207-8e | Dell PERC H710 RAID Controller Data drives: 4 x 4Tb - WD Gold 3.5" | 2 x 4Tb - Seagate Ironwolf 3.5" | 6 x 8Tb - WD Red 3.5" | 2 x 12Tb - WD Red 3.5" Parity drives: 2 x 12Tb - WD Red 3.5" Cache: 1 x 1Tb SSD - Samsung 850 Pro 2.5" Unassigned: 1 x 1Tb 2.5" - WD Blue 2.5"
December 13, 20196 yr Community Expert UDMA_CRC errors are a connection problem, not a disk problem, usually a bad SATA cable, but note that attribute doesn't reset, so only if it keeps increasing there's a problem.
December 13, 20196 yr Author 1 minute ago, johnnie.black said: UDMA_CRC errors are a connection problem, not a disk problem, usually a bad SATA cable, but note that attribute doesn't reset, so only if it keeps increasing there's a problem. Hey johnnie.black, Thanks for chiming in. I actually saw this same reason mentioned online when I was researching this. I have re-seated the Drive a few times and it keeps on increasing with every smart test / preclear I do on the disk. It is on my rear 2.5" Drive Slot of R720xd so I feel that is good as well. Examples below. Maybe you can get some more clarity with this. preclear_report_XXXXXXXXX_2019.09.28_06.39.23.txt ############################################################################################################################ # # # unRAID Server Preclear of disk XXXXXXXXX # # Cycle 1 of 1, partition start on sector 64. # # # # # # Step 1 of 5 - Post-Read verification: [3:07:27 @ 88 MB/s] SUCCESS # # Step 2 of 5 - Verifying unRAID's Preclear signature: SUCCESS # # Step 3 of 5 - Writing unRAID's Preclear signature: SUCCESS # # Step 4 of 5 - Zeroing the disk: [3:07:42 @ 88 MB/s] SUCCESS # # Step 5 of 5 - Pre-read verification: [3:06:47 @ 89 MB/s] SUCCESS # # # # # # # # # # # # # # # ############################################################################################################################ # Cycle elapsed time: 9:22:07 | Total elapsed time: 9:22:08 # ############################################################################################################################ ############################################################################################################################ # # # S.M.A.R.T. Status default # # # # # # ATTRIBUTE INITIAL CYCLE 1 STATUS # # 5-Reallocated_Sector_Ct 0 0 - # # 9-Power_On_Hours 8462 8471 Up 9 # # 194-Temperature_Celsius 28 38 Up 10 # # 199-UDMA_CRC_Error_Count 83943701 86420220 Up 2476519 # # # # # # # # # # # # # # # # # ############################################################################################################################ # SMART overall-health self-assessment test result: PASSED # ############################################################################################################################ --> ATTENTION: Please take a look into the SMART report above for drive health issues. --> RESULT: Preclear Finished Successfully!. preclear_report_XXXXXXXXX_2019.11.22_07.38.53.txt ############################################################################################################################ # # # unRAID Server Preclear of disk XXXXXXXXX # # Cycle 1 of 1, partition start on sector 64. # # # # # # Step 1 of 5 - Post-Read verification: [3:06:18 @ 89 MB/s] SUCCESS # # Step 2 of 5 - Verifying unRAID's Preclear signature: SUCCESS # # Step 3 of 5 - Writing unRAID's Preclear signature: SUCCESS # # Step 4 of 5 - Zeroing the disk: [3:08:20 @ 88 MB/s] SUCCESS # # Step 5 of 5 - Pre-read verification: [3:08:17 @ 88 MB/s] SUCCESS # # # # # # # # # # # # # # # ############################################################################################################################ # Cycle elapsed time: 9:23:11 | Total elapsed time: 9:23:13 # ############################################################################################################################ ############################################################################################################################ # # # S.M.A.R.T. Status default # # # # # # ATTRIBUTE INITIAL CYCLE 1 STATUS # # 5-Reallocated_Sector_Ct 0 0 - # # 9-Power_On_Hours 8694 8703 Up 9 # # 194-Temperature_Celsius 30 34 Up 4 # # 199-UDMA_CRC_Error_Count 87317299 89793763 Up 2476464 # # # # # # # # # # # # # # # # # ############################################################################################################################ # SMART overall-health self-assessment test result: PASSED # ############################################################################################################################ --> ATTENTION: Please take a look into the SMART report above for drive health issues. --> RESULT: Preclear Finished Successfully!. preclear_report_XXXXXXXXX_2019.11.23_19.28.30.txt ############################################################################################################################ # # # unRAID Server Preclear of disk XXXXXXXXX # # Cycle 2 of 2, partition start on sector 64. # # # # # # Step 1 of 6 - Post-Read verification: [3:04:53 @ 90 MB/s] SUCCESS # # Step 2 of 6 - Verifying unRAID's Preclear signature: SUCCESS # # Step 3 of 6 - Writing unRAID's Preclear signature: SUCCESS # # Step 4 of 6 - Zeroing the disk: [3:04:22 @ 90 MB/s] SUCCESS # # Step 5 of 6 - Erasing the disk: [3:05:42 @ 89 MB/s] SUCCESS # # Step 6 of 6 - Pre-read verification: [3:04:17 @ 90 MB/s] SUCCESS # # # # # # # # # # # # # ############################################################################################################################ # Cycle elapsed time: 12:19:22 | Total elapsed time: 24:45:37 # ############################################################################################################################ ############################################################################################################################ # # # S.M.A.R.T. Status default # # # # # # ATTRIBUTE INITIAL CYCLE 1 CYCLE 2 STATUS # # 5-Reallocated_Sector_Ct 0 0 0 - # # 9-Power_On_Hours 8714 8727 8739 Up 25 # # 194-Temperature_Celsius 30 34 34 Up 4 # # 199-UDMA_CRC_Error_Count 89799429 93099068 96395714 Up 6596285 # # # # # # # # # # # # # # # # # ############################################################################################################################ # SMART overall-health self-assessment test result: PASSED # ############################################################################################################################ --> ATTENTION: Please take a look into the SMART report above for drive health issues. --> RESULT: Preclear Finished Successfully!. preclear_report_XXXXXXXXX_2019.11.26_00.43.02.txt ############################################################################################################################ # # # unRAID Server Preclear of disk XXXXXXXXX # # Cycle 1 of 1, partition start on sector 64. # # # # # # Step 1 of 3 - Verifying unRAID's Preclear signature: SUCCESS # # Step 2 of 3 - Writing unRAID's Preclear signature: SUCCESS # # Step 3 of 3 - Zeroing the disk: [3:03:43 @ 90 MB/s] SUCCESS # # # # # # # # # # # # # # # # # # # ############################################################################################################################ # Cycle elapsed time: 3:03:51 | Total elapsed time: 3:03:52 # ############################################################################################################################ ############################################################################################################################ # # # S.M.A.R.T. Status (device type: default) # # # # # # ATTRIBUTE INITIAL CYCLE 1 STATUS # # 5-Reallocated_Sector_Ct 0 0 - # # 9-Power_On_Hours 8789 8792 Up 3 # # 194-Temperature_Celsius 28 37 Up 9 # # 199-UDMA_CRC_Error_Count 103063650 103886091 Up 822441 # # # # # # # # # # # # # # # # # ############################################################################################################################ # SMART overall-health self-assessment test result: PASSED # ############################################################################################################################ --> ATTENTION: Please take a look into the SMART report above for drive health issues. --> RESULT: Preclear Finished Successfully!. Thanks, -SS
December 13, 20196 yr Community Expert 10 minutes ago, Shomil Saini said: I have re-seated the Drive a few times and it keeps on increasing with every smart test / preclear I do on the disk If it keeps increasing there's still a problem, try a different backplane slot, it's either a cable, backplane or controller problem.
December 13, 20196 yr Author 33 minutes ago, johnnie.black said: If it keeps increasing there's still a problem, try a different backplane slot, it's either a cable, backplane or controller problem. 😥🙄 I would be really sad if that was the case. I will pop it into another slot and update you soon. Cheers!
December 15, 20196 yr Author On 12/13/2019 at 6:47 AM, johnnie.black said: If it keeps increasing there's still a problem, try a different backplane slot, it's either a cable, backplane or controller problem. On 12/13/2019 at 7:22 AM, Shomil Saini said: 😥🙄 I would be really sad if that was the case. I will pop it into another slot and update you soon. Cheers! Hi Johnnie.black, As promised, here is the report from today. Error count has gone up 2469362 again. This was a completely different computer, drive connected via SATA port on MOBO with fresh Unraid boot drive. I am a little happy that it is not a "cable, back-plane or controller problem" on my server. That would have been expensive lol. Any suggestions about the drive behavior? preclear_report_XXXXXXXXX_2019.12.14_17.00.09.txt ############################################################################################################################ # # # unRAID Server Preclear of disk XXXXXXXXX # # Cycle 1 of 1, partition start on sector 64. # # # # # # Step 1 of 5 - Pre-read verification: [3:03:48 @ 90 MB/s] SUCCESS # # Step 2 of 5 - Zeroing the disk: [3:02:30 @ 91 MB/s] SUCCESS # # Step 3 of 5 - Writing unRAID's Preclear signature: SUCCESS # # Step 4 of 5 - Verifying unRAID's Preclear signature: SUCCESS # # Step 5 of 5 - Post-Read verification: [3:03:30 @ 90 MB/s] SUCCESS # # # # # # # # # # # # # # # ############################################################################################################################ # Cycle elapsed time: 9:09:51 | Total elapsed time: 9:09:51 # ############################################################################################################################ ############################################################################################################################ # # # S.M.A.R.T. Status (device type: default) # # # # # # ATTRIBUTE INITIAL CYCLE 1 STATUS # # 5-Reallocated_Sector_Ct 0 0 - # # 9-Power_On_Hours 9002 9011 Up 9 # # 194-Temperature_Celsius 30 42 Up 12 # # 199-UDMA_CRC_Error_Count 106412609 108881971 Up 2469362 # # # # # # # # # # # # # # # # # ############################################################################################################################ # SMART overall-health self-assessment test result: PASSED # ############################################################################################################################ --> ATTENTION: Please take a look into the SMART report above for drive health issues. --> RESULT: Preclear Finished Successfully!.
December 15, 20196 yr Community Expert If the error continues to increase in another server it's likely the disk, but it's extremely rare, in fact I don't remember ever seeing it ever before, but of course it's not impossible.
December 15, 20196 yr Author 9 hours ago, johnnie.black said: If the error continues to increase in another server it's likely the disk, but it's extremely rare, in fact I don't remember ever seeing it ever before, but of course it's not impossible. Thanks johnnie.black. I am tilting towards drive issue myself and would keep a close eye on the drive. Will update here when drive dies. For a 1Tb Toshiba Laptop drive, It has seen 31.75Tb Total lbas written and 29.5Tb Total lbas read so I am not sad to let it go. Thanks for helping. Cheers!
August 28, 20205 yr Community Expert 49 minutes ago, TheWoodser said: Is this a "power" problem or a "SATA" problem? Thanks for the help. Might be more useful to start your own thread with your specific details
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