HELP! i/o errors SATA HDD problem

greenz123

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Sep 18, 2014
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Im hoping someone can give me some new ideas on what to try with this.

The system has worked for about 12 months set up as follows:

Dell Precision T5500, X5690 3.46Ghz 6 core CPU, 24GB RAM, 2TB HD, Asus U3S6 PCI Controller Card -Samsung EVO 850 250GB SSD, Quadro FX3800

I bought a used Dell T5500. It had 2 1TB HDD's (Seagate) with a SAS6 RAID controller.
I removed the SAS6 controller as I didnt want RAID.
I installed a new SSD using an Asus U3S6 expansion card in a PCI-e slot.

Recently one of the HDD's became inaccesible and I had i/o error messages. The machine crashed/froze a few times and intermitently wouldnt boot properly.
I disabled the SATA connection with that HDD on it and everything was ok.


Luckily I had it backed up so I went and got a new 1tb HDD.
I installed the new HDD in the same SATA connection and booted up the machine, this took a long time and I experienced similar problems to when the first HDD errors occured which was worrying.
The new HDD did show up in the BIOS but it wouldnt initialize in Disk manager popping up another i/o error.

Things Ive tried to no avail:

Swapping SATA cable
Swapping power and SATA cables
swapping to a spare SATA connection
Disabling and re-enabling the SATA connection in BIOS
Disabling other drives connected to SATA (2 x dvd, 1 other HDD)

Im a bit stuck now as to what to try next, All other drives connected to sata and the SSD connected via PCI are working properly.
I thought it was just the HDD but given that the problems are still happening with a brand new one I thought it was the SATA controller. The only event I can think of that might be linked is the radiators in the house (including the one next to the PC) were flushed and they use a vibratory drill on the radiator. I have a surge protector on the extension so I dont think theres been a power spike.I did had some intermittent problems with the GPU which made me wonder If the power supply is failing but it only happened when the system /GPU was idle/not under load.


Any suggestions welcome !


 
Solution
You would think so, yeah. Unless the power situation fried multiple things, which has happened before. Only thing I can think to do here is get a PCIe SATA card, that will provide you more ports you can use.

thejackal85

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Jan 18, 2016
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I/O errors usually come with faulty power situations. Whether you had a power surge, your PSU in your computer had a power issue, etc., it's almost always related to power or the HDD is just dying. In this case, because you tried those various different things, it sounds like to me like you had a power issue at some point that fried the HDD and the port it was plugged into.
 

greenz123

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Sep 18, 2014
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Thanks for the input Jackal, I came to a similar conclusion at first but the fact that the new HDD wouldn't work in a spare SATA connection rather than the original connection of the failed drive contradicts the fried SATA connection theory I think ?
 

thejackal85

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Jan 18, 2016
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You would think so, yeah. Unless the power situation fried multiple things, which has happened before. Only thing I can think to do here is get a PCIe SATA card, that will provide you more ports you can use.
 
Solution

greenz123

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Sep 18, 2014
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Turns out that was a spare sata connection on the pci-e card I installed for the SSD drive so I put a new HDD in that and Im back up and running. Looks like the Sata port had also fried the first new HDD I bought because that wouldnt work on the pci-e card port ! Ill just have to remember never to plug anything into that original sata port ever again.