check disk temperature via smartctl some sata disks stop running after 55C and wait any time (a day if needed) to get temperature down to +-53C and resume operation 2013/4/30 Phil Turmel <philip@xxxxxxxxxx>: > On 04/30/2013 10:39 AM, Roberto Nunnari wrote: >> Mikael Abrahamsson wrote: >>> On Tue, 30 Apr 2013, Roberto Nunnari wrote: >>> >>>> How do I increase that timeout? >>> >>> for x in /sys/block/sd[a-z] ; do echo 180 > $x/device/timeout ; done >> >> what the... these are SECONDS! What on earth could delay a sata attached >> disk read for 30 (now 180) seconds if not a disk failure? I OS hang? >> Sorry about that question, but I don't understand.. I have never seen >> such a problem. > > The worst horror stories on this mailing list are directly attributable > to this problem. Usually after months or even years of apparently > trouble-free operation. > > Consumer-grade drives intended for desktop usage are not > "out-of-the-box" compatible with RAID. Some of them are configurable > after each power-up to behave like an enterprise drive. The rest must > be accommodated with extended driver timeouts. > > Search the list archives for "scterc", "timeout", and "URE" (or > combinations thereof). > > Phil > > > -- > 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 -- Roberto Spadim -- 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