February 28, 20251 yr I have two drives, Disk 1 (sdd) and Disk 3 (sdf), giving SMART errors. I ran extended SMART tests recently, but I'm having difficulty interpreting the results. the diagnostics: tower-diagnostics-20250228-0911.zip. The drives from the same batch have been replaced recently so I'm assuming these will need a similar treatment. Any opinions and suggestions welcomed. Edited February 28, 20251 yr by Renel
February 28, 20251 yr I would say disk3 should be replaced: 5 Reallocated_Sector_Ct PO--CK 100 100 010 - 976 What was the SMART error on disk1? If it was a CRC error then this is a connection issue (SATA or power) rather than an error with the drive itself.
February 28, 20251 yr Author Quote # Attribute Name Flag Value Worst Threshold Type Updated Failed Raw Value 1 Raw read error rate 0x000f 083 063 044 Pre-fail Always Never 233966216 3 Spin up time 0x0003 091 091 000 Pre-fail Always Never 0 4 Start stop count 0x0032 100 100 020 Old age Always Never 216 5 Reallocated sector count 0x0033 100 100 010 Pre-fail Always Never 0 7 Seek error rate 0x000f 072 060 030 Pre-fail Always Never 17021106 9 Power on hours 0x0032 079 079 000 Old age Always Never 18746 (2y, 1m, 19d, 2h) 10 Spin retry count 0x0013 100 100 097 Pre-fail Always Never 0 12 Power cycle count 0x0032 100 100 020 Old age Always Never 151 184 End-to-end error 0x0032 100 100 099 Old age Always Never 0 187 Reported uncorrect 0x0032 100 100 000 Old age Always Never 0 188 Command timeout 0x0032 100 100 000 Old age Always Never 0 189 High fly writes 0x003a 100 100 000 Old age Always Never 0 190 Airflow temperature cel 0x0022 058 053 045 Old age Always Never 42 (min/max 34/43) 191 G-sense error rate 0x0032 100 100 000 Old age Always Never 0 192 Power-off retract count 0x0032 100 100 000 Old age Always Never 104 193 Load cycle count 0x0032 100 100 000 Old age Always Never 217 194 Temperature celsius 0x0022 042 047 000 Old age Always Never 42 (0 15 0 0 0) 197 Current pending sector 0x0012 100 100 000 Old age Always Never 0 198 Offline uncorrectable 0x0010 100 100 000 Old age Offline Never 0 199 UDMA CRC error count 0x003e 200 200 000 Old age Always Never 4 where would I find the SMART error it gave? I was alerted by the thumbs down 'error' in the SMART column in the dashboard. apologies for the response time. the columns distort when I copy paste. I'm not sure if it's a CRC error, but UDMA CRC error count has a Raw Value of 4 and is orange in the UI. not sure if that is relevant. how would I read this information? this is a Seagate drive. EDIT: upon closer inspection the error on disk1 is in fact a CRC error. I didn't realize you could hover over the 'thumbs down' and see a summary of the error. I will investigate its connections and report back. Edited March 1, 20251 yr by Renel
March 2, 20251 yr Author I was using a Seagate Terascale and the plastic in and around the SATA connection was so brittle it snapped at some point, but I'm not sure when or how. I'm preclearing a spare drive I had laying around and I'm unsure whether I should replace the failing drive or the drive with the broken SATA connection. I'm leaning on replacing the broken connection because I don't know if I can even get the drive I'd be replacing to connect back to the array. Even if I do, I don't think I would trust the drive to maintain the connection while adding the new drive into the array.
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