March 4, 201214 yr I have successfully precleared 6 of my WD 3tb drives but a few are getting an error during the process. Im not sure what the error means so im hoping someone can give me some advice. Ive attached 2 print screens of 2 drives that have had the error. Im running version 4.7 of unraid but Ive learned that 4.7 doesn't support 3tb drives so as soon as the other preclears finish ill be updating to beta. Here are my system specs: Specs: Cages 3 X-Case 5 Drive Storage Kit - fits in 3 x 5.25 Bays Startech 5.25 inch Tray-Less SATA Hot-Swap Bay ordered CPU Intel Core i3-2120T 2.6GHz Mobo Supermicro X9SCM-F RAM 2 x 4GB Kingston DDR3-1333 ECC CL9 1333MHz 240-pin Unbuffered DIMM Memory PSU Thermaltake TGP - 650 PSU SATA card 2x Supermicro AOC-SASLP-MV8, 8-Port SAS/SATA Card Cables 4 x 3Ware multi lane SFF8087 to 4x SATA fan out cable 0.5 metres, single cable Storage 16 x Western Digital 3Tb WD30EZRX SATA 3 Caviar Green Hard Drive
March 4, 201214 yr log The drive stopped responding... The last attempt at reading it ended with 0 bytes read. The out4 and out5 variables printed in the error should not have been zeros but part of the unRAID signature in the MBR having very specific expected values. I would guess if you attempted to get a smart report from it right now it would not respond. smartctl -a /dev/sde You could try power cycling the drive, or try re-seating the cables to it, but it might have just died an early death. Joe L.
March 5, 201214 yr Author I get this message when I type that request in; Probable ATA device behind a SAT layer, try an additional '-d ata' or '-d sat' argument. Ive read problems with me sata cards im using. It seems unlikely the drives r dead, its happened to 4 of them and a 5th one freezes 31 seconds into the prelear each time. The drives that failed this time did the same the last time I tried too, stopping at around 18 hours.
March 5, 201214 yr I get this message when I type that request in; Probable ATA device behind a SAT layer, try an additional '-d ata' or '-d sat' argument. Ive read problems with me sata cards im using. It seems unlikely the drives r dead, its happened to 4 of them and a 5th one freezes 31 seconds into the prelear each time. The drives that failed this time did the same the last time I tried too, stopping at around 18 hours. Yes, I agree, not likely the disks themselves. If 4 disks, then perhaps the power to them shares a splitter, or a drive rack. It could also be the disk controller is not seated firmly in the MB connector. As far as the smart command, you could try smartctl -d ata -a /dev/sde I'm going to guess it will still not get a smart report.
April 23, 201214 yr Not meaning to hijack this thread, but I am experiencing the same issue with my three brand new 3TB WD drives. out4 = 00092 and out5=00092 in my case, but same result. When I try the smartctl command I get a report from each drive that claims no errors logged. Must be something to do with the SATA controller built into the motherboard I am using (an Asus P5GD1, which means Intel 915P chipset and ICH6R controlling the 4 SATA ports) In my case, all drives fail after step 10 of preclear (28 or so hours after it began).
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