December 18, 20223 yr I was pre-clearing a 6TB to add to my Array and I got back the following error: Dec 18 13:52:31 preclear_disk_WSD403N5_6338: Post-Read: dd output: 162561+0 records inDec 18 13:52:31 preclear_disk_WSD403N5_6338: Post-Read: dd output: 162560+0 records outDec 18 13:52:31 preclear_disk_WSD403N5_6338: Post-Read: dd output: 340913029120 bytes (341 GB, 318 GiB) copied, 1819.75 s, 187 MB/sDec 18 13:52:31 preclear_disk_WSD403N5_6338: Post-Read: dd output: 163282+0 records inDec 18 13:52:31 preclear_disk_WSD403N5_6338: Post-Read: dd output: 163281+0 records outDec 18 13:52:31 preclear_disk_WSD403N5_6338: Post-Read: dd output: 342425075712 bytes (342 GB, 319 GiB) copied, 1832.61 s, 187 MB/sDec 18 13:52:31 preclear_disk_WSD403N5_6338: Post-Read: dd output: 163320+0 records inDec 18 13:52:31 preclear_disk_WSD403N5_6338: Post-Read: dd output: 163319+0 records outDec 18 13:52:31 preclear_disk_WSD403N5_6338: Post-Read: dd output: 342504767488 bytes (343 GB, 319 GiB) copied, 1845.02 s, 186 MB/sDec 18 13:52:31 preclear_disk_WSD403N5_6338: Post-Read: dd output: 164051+0 records inDec 18 13:52:31 preclear_disk_WSD403N5_6338: Post-Read: dd output: 164051+0 records outDec 18 13:52:31 preclear_disk_WSD403N5_6338: Post-Read: dd output: 344039882752 bytes (344 GB, 320 GiB) copied, 1861.85 s, 185 MB/sDec 18 13:52:31 preclear_disk_WSD403N5_6338: Post-Read: dd output: dd: error reading '/dev/sdu': Input/output errorDec 18 13:52:31 preclear_disk_WSD403N5_6338: Post-Read: dd output: 164051+1 records inDec 18 13:52:31 preclear_disk_WSD403N5_6338: Post-Read: dd output: 164051+1 records outDec 18 13:52:31 preclear_disk_WSD403N5_6338: Post-Read: dd output: 344041271296 bytes (344 GB, 320 GiB) copied, 1864.09 s, 185 MB/sDec 18 13:52:32 preclear_disk_WSD403N5_6338: Post-Read: post-read verification failed!Dec 18 13:52:33 preclear_disk_WSD403N5_6338: ssmtp: Authorization failed (535 5.7.8 https://support.google.com/mail/?p=BadCredentials m35-20020a05600c092300b003b3307fb98fsm8091701wmp.24 - gsmtp)Dec 18 13:52:33 preclear_disk_WSD403N5_6338: S.M.A.R.T.: Error:Dec 18 13:52:33 preclear_disk_WSD403N5_6338: S.M.A.R.T.:Dec 18 13:52:33 preclear_disk_WSD403N5_6338: S.M.A.R.T.: ATTRIBUTE INITIAL NOW STATUSDec 18 13:52:33 preclear_disk_WSD403N5_6338: S.M.A.R.T.: Reallocated_Sector_Ct 0 616 Up 616Dec 18 13:52:33 preclear_disk_WSD403N5_6338: S.M.A.R.T.: Power_On_Hours 0 21 Up 21Dec 18 13:52:33 preclear_disk_WSD403N5_6338: S.M.A.R.T.: Reported_Uncorrect 0 3 Up 3Dec 18 13:52:33 preclear_disk_WSD403N5_6338: S.M.A.R.T.: Airflow_Temperature_Cel 29 43 Up 14Dec 18 13:52:33 preclear_disk_WSD403N5_6338: S.M.A.R.T.: Current_Pending_Sector 0 8 Up 8Dec 18 13:52:33 preclear_disk_WSD403N5_6338: S.M.A.R.T.: Offline_Uncorrectable 0 8 Up 8Dec 18 13:52:33 preclear_disk_WSD403N5_6338: S.M.A.R.T.: UDMA_CRC_Error_Count 0 0 -Dec 18 13:52:33 preclear_disk_WSD403N5_6338: S.M.A.R.T.: Dec 18 13:52:33 preclear_disk_WSD403N5_6338: error encountered, exiting ... What should I do? Shall I send it back or do I have other options? Thanks for any advice
December 18, 20223 yr Community Expert I would say that disk is looking sick There should be 0 reallocated sectors on a new disk and that many would be a concern even on a very old disk.
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