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Disk errors-PCI card problem


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I am new to unraid and have built my own server. I have made some mistakes along the way but through trial and error and reading these forums I have finally got my server up and running and on my network. I am going to use it for streaming movies mostly and am in the process of transferring about 12tb of data to the array. All my drives are preclearing fine. Things were going smoothly until I noticed I was unable to play some of the files I had transferred over. I checked the syslog and all I saw was errors after errors after errors similar to this.


20:10:32 Media kernel: md: disk4 read error

20:10:32 Media kernel: handle_stripe read error: 52473776/4, count: 1


After checking here I decided to check the cable, etc. The cable/drive was plugged into a PCI card. I tried a different cable, same errors. Moved the drive to a different drive slot, plugged the same cable and Card to it to check and see if the original drive slot was bad. I got the same errors. I then put the drive back in the original slot and ran a cable from the second card I was using on the motherboard, A PCIe card. Everything worked perfect with no errors. I originally ran the disk through this card  http://www.monoprice.com/products/product.asp?c_id=104&cp_id=10407&cs_id=1040702&p_id=959&seq=1&format=2  which was recommended. So I thought I just maybe had a bad card. I ordered another, tried it and again all errors. I am kind of at a loss because this card seems to work for everyone here.

I am running beta11 because I want to have 3tb drives. I am using a http://www.newegg.com/Product/Product.aspx?Item=N82E16813138316&Tpk=Biostar%20TA880GU3%2b  motherboard and Norco ss500 cages. my PCIe card is a http://www.newegg.com/Product/Product.aspx?Item=N82E16816101358 and it works fine. I will attach a startup syslog and maybe someone can see something in that. Any help would be appreciated. I have a 15 drive server and would only use the PCI card for 1 drive but I know I will need it (as soon as drive prices come back to earth……)


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