motorskalle

You would need to restore from backup in that case.

Yes, but that those values are the same on all Seagates (or at least most recent models), it's not because of internal testing. Thanks, that was the answer I was looking for! @itimpi and @skylark: It was a 3-cycle preclear.

Thank you Johnnie! So I interpret it as the drive came with the attributes this way, close to the threshold, from Seagate and just barely passed internal tests for e.g. end-to-end error.

I have seen these near_thresh statuses on a couple of reports in this thread. Do any of you guys know if these values are common for the Seagate Archive drives, anyone that observed them in the array for a while and know if they will get worse? --------------------------------------- Preclear Successful Total time 195:12:12 (USB3 enclosure using the preclear plugin and "normal" script with slower post read, 3 cycles performed) Pre-Read time 19:02:30 (116 MB/s) Zeroing time 20:01:25 (111 MB/s) Post-Read time 40:00:08 (55 MB/s) --------------------------------------- ================================================================== 1.15 = unRAID server Pre-Clear disk /dev/sdo = cycle 1 of 1, partition start on sector 64 = Disk Pre-Clear-Read completed DONE = Step 1 of 10 - Copying zeros to first 2048k bytes DONE = Step 2 of 10 - Copying zeros to remainder of disk to clear it DONE = Step 3 of 10 - Disk is now cleared from MBR onward. DONE = Step 4 of 10 - Clearing MBR bytes for partition 2,3 & 4 DONE = Step 5 of 10 - Clearing MBR code area DONE = Step 6 of 10 - Setting MBR signature bytes DONE = Step 7 of 10 - Setting partition 1 to precleared state DONE = Step 8 of 10 - Notifying kernel we changed the partitioning DONE = Step 9 of 10 - Creating the /dev/disk/by* entries DONE = Step 10 of 10 - Verifying if the MBR is cleared. DONE = Disk Post-Clear-Read completed DONE Disk Temperature: 43C, Elapsed Time: 195:12:12 ========================================================================1.15 == ST8000AS0002-1NA17Z Z840EE0V == Disk /dev/sdo has been successfully precleared == with a starting sector of 1 ============================================================================ ** Changed attributes in files: /tmp/smart_start_sdo /tmp/smart_finish_sdo ATTRIBUTE NEW_VAL OLD_VAL FAILURE_THRESHOLD STATUS RAW_VALUE Raw_Read_Error_Rate = 118 100 6 ok 180295208 Seek_Error_Rate = 77 100 30 ok 4346424698 Spin_Retry_Count = 100 100 97 near_thresh 0 End-to-End_Error = 100 100 99 near_thresh 0 Airflow_Temperature_Cel = 57 77 45 near_thresh 43 Temperature_Celsius = 43 23 0 ok 43 Hardware_ECC_Recovered = 118 100 0 ok 180295208 No SMART attributes are FAILING_NOW 0 sectors were pending re-allocation before the start of the preclear. 0 sectors were pending re-allocation after pre-read in cycle 1 of 3. 0 sectors were pending re-allocation after zero of disk in cycle 1 of 3. 0 sectors were pending re-allocation after post-read in cycle 1 of 3. 0 sectors were pending re-allocation after zero of disk in cycle 2 of 3. 0 sectors were pending re-allocation after post-read in cycle 2 of 3. 0 sectors were pending re-allocation after zero of disk in cycle 3 of 3. 0 sectors are pending re-allocation at the end of the preclear, the number of sectors pending re-allocation did not change. 0 sectors had been re-allocated before the start of the preclear. 0 sectors are re-allocated at the end of the preclear, the number of sectors re-allocated did not change.