On February 10, 2013, Brad Campbell wrote: > On 11/02/13 09:27, Thomas Fjellstrom wrote: > > sd 0:0:7:0: [sdh] Add. Sense: Information unit iuCRC error detected > > The CRC error there is the key. Check your cables, backplane & PSU. > Very good to know. Thank you. :) Google had hinted the same thing. I've gone into the machine and made sure everything was snug, just in case it was a lose cable or connection on the backplane. I've --add'ed the drive back to the array. I think that should make a simple test to see if anything reallocates. After that, I'll try some more read and mixed read-write tests to see if the error's going to pop up again, but so far after a few hours, not even a single warning*. Should the problem come back, I'll follow up with a power test, then some cable tests. Since it seemed that it was always erroring out on the same drive (not 100% sure, but it seems like it), and if its not likely a drive problem, it may be one SFF-8087 breakout cable, then swapping the cables should change which drive it happens to, if it does I should know its the cable. * except for this: "[ 1052.626900] The scan_unevictable_pages sysctl/node- interface has been disabled for lack of a legitimate use case. If you have one, please send an email to linux-mm@xxxxxxxxx." and I have absolutely no idea what caused that at this point and time. Also don't think its applicable. -- Thomas Fjellstrom thomas@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
