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Preclear failed

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Not sure why this drive has failed the Preclear, relatively new Exos 16Tb

 

Sep 19 01:56:13 preclear_disk_ZL2KLHXX_30592: Post-Read: dd output: 7245806+0 records outSep 19 01:56:13 preclear_disk_ZL2KLHXX_30592: Post-Read: dd output: 15195556544512 bytes (15 TB, 14 TiB) copied, 89784.4 s, 169 MB/sSep 19 01:56:13 preclear_disk_ZL2KLHXX_30592: Post-Read: dd output: 7246602+0 records inSep 19 01:56:13 preclear_disk_ZL2KLHXX_30592: Post-Read: dd output: 7246601+0 records outSep 19 01:56:13 preclear_disk_ZL2KLHXX_30592: Post-Read: dd output: 15197223780352 bytes (15 TB, 14 TiB) copied, 89796.8 s, 169 MB/sSep 19 01:56:13 preclear_disk_ZL2KLHXX_30592: Post-Read: dd output: 7247370+0 records inSep 19 01:56:13 preclear_disk_ZL2KLHXX_30592: Post-Read: dd output: 7247369+0 records outSep 19 01:56:13 preclear_disk_ZL2KLHXX_30592: Post-Read: dd output: 15198834393088 bytes (15 TB, 14 TiB) copied, 89809.2 s, 169 MB/sSep 19 01:56:13 preclear_disk_ZL2KLHXX_30592: Post-Read: dd output: 7248216+0 records inSep 19 01:56:13 preclear_disk_ZL2KLHXX_30592: Post-Read: dd output: 7248215+0 records outSep 19 01:56:13 preclear_disk_ZL2KLHXX_30592: Post-Read: dd output: 15200608583680 bytes (15 TB, 14 TiB) copied, 89821.6 s, 169 MB/sSep 19 01:56:13 preclear_disk_ZL2KLHXX_30592: Post-Read: dd output: 7249074+0 records inSep 19 01:56:13 preclear_disk_ZL2KLHXX_30592: Post-Read: dd output: 7249073+0 records outSep 19 01:56:13 preclear_disk_ZL2KLHXX_30592: Post-Read: dd output: 15202407940096 bytes (15 TB, 14 TiB) copied, 89834 s, 169 MB/sSep 19 01:56:13 preclear_disk_ZL2KLHXX_30592: Post-Read: dd output: 7249905+0 records inSep 19 01:56:13 preclear_disk_ZL2KLHXX_30592: Post-Read: dd output: 7249904+0 records outSep 19 01:56:13 preclear_disk_ZL2KLHXX_30592: Post-Read: dd output: 15204150673408 bytes (15 TB, 14 TiB) copied, 89846.4 s, 169 MB/sSep 19 01:56:14 preclear_disk_ZL2KLHXX_30592: Post-Read: post-read verification failed!Sep 19 01:56:24 preclear_disk_ZL2KLHXX_30592: S.M.A.R.T.: Error:Sep 19 01:56:24 preclear_disk_ZL2KLHXX_30592: S.M.A.R.T.:Sep 19 01:56:24 preclear_disk_ZL2KLHXX_30592: S.M.A.R.T.: ATTRIBUTE               INITIAL NOW  STATUSSep 19 01:56:24 preclear_disk_ZL2KLHXX_30592: S.M.A.R.T.: Reallocated_Sector_Ct   0       0    -Sep 19 01:56:24 preclear_disk_ZL2KLHXX_30592: S.M.A.R.T.: Power_On_Hours          3302    3383 Up 81Sep 19 01:56:24 preclear_disk_ZL2KLHXX_30592: S.M.A.R.T.: Reported_Uncorrect      0       0    -Sep 19 01:56:24 preclear_disk_ZL2KLHXX_30592: S.M.A.R.T.: Airflow_Temperature_Cel 28      38   Up 10Sep 19 01:56:25 preclear_disk_ZL2KLHXX_30592: S.M.A.R.T.: Current_Pending_Sector  0       0    -Sep 19 01:56:25 preclear_disk_ZL2KLHXX_30592: S.M.A.R.T.: Offline_Uncorrectable   0       0    -Sep 19 01:56:25 preclear_disk_ZL2KLHXX_30592: S.M.A.R.T.: UDMA_CRC_Error_Count    0       0    -Sep 19 01:56:25 preclear_disk_ZL2KLHXX_30592: S.M.A.R.T.: Sep 19 01:56:25 preclear_disk_ZL2KLHXX_30592: error encountered, exiting ...

 

Only seems to be the change in SMART data which reflects the drive run time changing during the Preclear is how I read this. What should I of expected to see? But more importantly, what is this indicating about the drive?

 

Post read can fail because of bad RAM, run memtest.

  • Author
10 minutes ago, JorgeB said:

Post read can fail because of bad RAM, run memtest.

Apologies, is meatiest an unraid tool or command line?

It's an option in the Unraid boot menu.

  • Author
36 minutes ago, JorgeB said:

It's an option in the Unraid boot menu.

Thanks 👍

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