CaptainSpalding

Yes, that is basically what I have done. But I really want to know how good "insurence" the preclear process gives? If it stresses the drive too much could it fail because of that during the rebuild? And if it does not can it fail soon after that? I think this is a bigger problem when you have all slots full. There are no way to preclear and there are so many possible drives to fail.

Thank you for your time! Could you give a general advice on these problems, when drive goes red ball... Do you generally just test cables and try to rebuild drive and if it fails to rebuild then replace? Could the parity be build invalid if this drive fails in the process? I'm scared of using these "problem drives", but I'm not that fond of getting a new drive EVERY time these things happen.

Ok, thanks. I attached syslog from the time the drive went red dot. What are those HDIO errors? Not drive related? syslog-2014-04-01_disk10_error.zip

I got one ST3000DM001 that went red and it does not show the temp only star sign. With that read error rate this is RMA ready? ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x000f 115 099 006 Pre-fail Always - 87619280 3 Spin_Up_Time 0x0003 094 093 000 Pre-fail Always - 0 4 Start_Stop_Count 0x0032 100 100 020 Old_age Always - 148 5 Reallocated_Sector_Ct 0x0033 100 100 010 Pre-fail Always - 0 7 Seek_Error_Rate 0x000f 063 060 030 Pre-fail Always - 1852733 9 Power_On_Hours 0x0032 100 100 000 Old_age Always - 442 10 Spin_Retry_Count 0x0013 100 100 097 Pre-fail Always - 0 12 Power_Cycle_Count 0x0032 100 100 020 Old_age Always - 76 183 Unknown_Attribute 0x0032 100 100 000 Old_age Always - 0 184 Unknown_Attribute 0x0032 100 100 099 Old_age Always - 0 187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always - 0 188 Unknown_Attribute 0x0032 100 100 000 Old_age Always - 4295032833 189 High_Fly_Writes 0x003a 100 100 000 Old_age Always - 0 190 Airflow_Temperature_Cel 0x0022 074 062 045 Old_age Always - 26 (0 2 26 21) 191 G-Sense_Error_Rate 0x0032 100 100 000 Old_age Always - 0 192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always - 4 193 Load_Cycle_Count 0x0032 098 098 000 Old_age Always - 5651 194 Temperature_Celsius 0x0022 026 040 000 Old_age Always - 26 (Lifetime Min/Max 0/32768) 197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always - 0 198 Offline_Uncorrectable 0x0010 100 100 000 Old_age Offline - 0 199 UDMA_CRC_Error_Count 0x003e 200 200 000 Old_age Always - 0 240 Head_Flying_Hours 0x0000 100 253 000 Old_age Offline - 191881958916450 241 Unknown_Attribute 0x0000 100 253 000 Old_age Offline - 9457022960 242 Unknown_Attribute 0x0000 100 253 000 Old_age Offline - 41882755701

I would also love to see the terabytes on those bitches! I think that could rise the interest of new builders. P.S. Still working on my pics...

What connectors did you use to extend the fan cables?