hawihoney Posted February 9, 2019 Share Posted February 9, 2019 (edited) I'm in need about some interpretation for the UDMA_CRC_error_count values of HGST drives. The value 200 reports everythings ok, Unraid throws a SMART error and Crystal says everythings fine. What does UDMA_CRC_error_count on HGST drives mean? Model Family: Hitachi/HGST Ultrastar 7K4000 Device Model: HGST HUS724020ALA640 SMART Attributes Data Structure revision number: 16 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAGS VALUE WORST THRESH FAIL RAW_VALUE 1 Raw_Read_Error_Rate PO-R-- 100 100 016 - 0 2 Throughput_Performance P-S--- 137 137 054 - 78 3 Spin_Up_Time POS--- 163 163 024 - 503 (Average 260) 4 Start_Stop_Count -O--C- 100 100 000 - 154 5 Reallocated_Sector_Ct PO--CK 100 100 005 - 0 7 Seek_Error_Rate PO-R-- 100 100 067 - 0 8 Seek_Time_Performance P-S--- 142 142 020 - 25 9 Power_On_Hours -O--C- 100 100 000 - 5979 10 Spin_Retry_Count PO--C- 100 100 060 - 0 12 Power_Cycle_Count -O--CK 100 100 000 - 151 192 Power-Off_Retract_Count -O--CK 100 100 000 - 166 193 Load_Cycle_Count -O--C- 100 100 000 - 166 194 Temperature_Celsius -O---- 230 230 000 - 26 (Min/Max 11/39) 196 Reallocated_Event_Count -O--CK 100 100 000 - 0 197 Current_Pending_Sector -O---K 100 100 000 - 0 198 Offline_Uncorrectable ---R-- 100 100 000 - 0 199 UDMA_CRC_Error_Count -O-R-- 200 200 000 - 128 ||||||_ K auto-keep |||||__ C event count ||||___ R error rate |||____ S speed/performance ||_____ O updated online |______ P prefailure warning Edited February 9, 2019 by hawihoney Quote Link to comment
JorgeB Posted February 9, 2019 Share Posted February 9, 2019 2 minutes ago, hawihoney said: What does UDMA_CRC_error_count on HGST drives mean? It means the same as in all other drives, a bad connection, vast majority of times a bad SATA cable, but note the attribute doesn't reset, so if you change the cable and as long as the value doesn't keep increasing problem is solved. Quote Link to comment
hawihoney Posted February 9, 2019 Author Share Posted February 9, 2019 Thanks a lot. Will keep an eye on that drive. Quote Link to comment
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