November 29, 20232 yr Hello, I had some problems with a 14TB hard disk, disk1 of my array. It is a TOSHIBA_MG07ACA14TE s/n 5160A003F94G. It has been reported a month ago with read/write errors but I checked SMART and it seemed ok. So I just did a rebuild on itself and went on for a week. Then it did the same thing: read/write errors and disabled. I then decided to switch the SATA cable with another drive (disk2) that it is on the same LSI controller, and I plugged a spare power cable of my chain. I rebuilded it and it was ok, 0 error another time and all the content there. Today it happened the same error. Since SMART seems ok to me, I have the doubt that it's just the "power chain" that is somehow faulty. I ordered another one and will try on friday to switch it. I attach the diagnostic if anyone can confirm that it could be a power problem or another type of problem. Thanks very much tower-diagnostics-20231129-1341.zip
November 29, 20232 yr Author 5 minutes ago, Michael_P said: Looks like a power issue, are you using splitters? Yes, I do. Now I'm away from server and I do not remember its setup but I think I used a splitter somewhere and a couple of "chains"
November 29, 20232 yr 3 minutes ago, yossarian82 said: used a splitter somewhere and a couple of "chains" Eliminate the splitters and you should be fine. The rule of thumb is no more than 4 drives per molex connector and to have more than one run back to the PSU. Toshiba drives are especially finicky in my experience about power sag and will drop offline if you look at them funny
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