> > 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? > > Hi, > > It would be interesting to see what SMART says about the above, sinde > the error is regarding sda first, then md follows. > Agreed - run smartctl -H /dev/sda or smartctl -a /dev/sda if -H succeeds Vennlige hilsener / Best regards roy -- Roy Sigurd Karlsbakk (+47) 98013356 roy@xxxxxxxxxxxxx http://blogg.karlsbakk.net/ GPG Public key: http://karlsbakk.net/roysigurdkarlsbakk.pubkey.txt -- I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er et elementært imperativ for alle pedagoger å unngå eksessiv anvendelse av idiomer med xenotyp etymologi. I de fleste tilfeller eksisterer adekvate og relevante synonymer på norsk. -- 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
