Spuds

I'm very new to unRaid and have just finished preclearing (using the preclear plug-in) 3 6tb WD reds. 2 came back perfect but the third came back with some Seek Error Read info which I dont understand. Should I be concerned? I have express RMA for another 2 weeks on this drive so exchanging it shouldnt be a problem as long as this problem warrants an exchange, could this just be bad cable? maybe I can re do the test using a different cable, 56 hours to preclear though...... I appreciate any help I get, Thanks. Also, am I finished with the preclear process or is there another step I should do before creating the array and starting a parity sync? THANKS! ================================================================== 1.15 = unRAID server Pre-Clear disk /dev/sdb = cycle 1 of 1, partition start on sector 1 = 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: 23C, Elapsed Time: 55:21:39 ========================================================================1.15 == WDCWD60EFRX == Disk /dev/sdb has been successfully precleared == with a starting sector of 1 ============================================================================ ** Changed attributes in files: /tmp/smart_start_sdb /tmp/smart_finish_sdb ATTRIBUTE NEW_VAL OLD_VAL FAILURE_THRESHOLD STATUS RAW_VALUE Seek_Error_Rate = 100 200 0 ok 0 Temperature_Celsius = 129 126 0 ok 23 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 1. 0 sectors were pending re-allocation after zero of disk in cycle 1 of 1. 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.