Hi, It would be interesting to see what SMART says about the above, sinde the error is regarding sda first, then md follows. Mathias On 28 November 2012 17:52, Chris Friesen <chris.friesen@xxxxxxxxxxx> wrote: > > Hi, > > I'm running 2.6.27 with LVM over software RAID 1 over a pair of SAS disks. > > Recently we started seeing messages of the following pattern: > > Nov 28 08:57:10 kernel: end_request: I/O error, dev sda, sector 1758169523 > Nov 28 08:57:10 kernel: md: super_written gets error=-5, uptodate=0 > Nov 28 08:57:10 kernel: raid1: Disk failure on sda2, disabling device. > Nov 28 08:57:10 kernel: raid1: Operation continuing on 1 devices. > > We're working through our changes to figure out what might have triggered > it, but it seems likely the root cause lies in the core code. > > We're assuming it's a software issue since it's reproducible on multiple > new-ish systems, although so far we've only tried it on systems with one > particular configuration--we're planning on trying it with different disks > just to be sure. > > For what it's worth, we've seen the problems with disk write cache enabled > and disabled. > > Anyone have any ideas, or pointers as to what I should look at? > > Thanks, > Chris > > > -- > > Chris Friesen > Software Designer > > 3500 Carling Avenue > Ottawa, Ontario K2H 8E9 > www.genband.com > -- > 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 -- 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
