Hi, I suppose a few logs would be interesting. (dmesg, mdadm -E (hdds), mdadm -D md10, zcat /proc/config.gz, mdadm version) Regards, // Mathias 2010/11/24 Du Jun <dujun@xxxxxxxxxxxxx>: > Hi, > We just quick tested the raid stability under the vanilla 2.6.36 kernel > and got an unstable result. > > first, we create a raid5 array using 16 sata disks: > > mdadm -C /dev/md10 -l 5 -n 16 /dev/sd[b-q] > > then use dd to stress the io: > > dd if=/dev/zero of=/dev/md10 bs=1M > > After a while, usually several minutes, the system hangs. It looks like > some kind of kernel deadlock. ping to this machine could get timely > response, however, any other process just hangs. > > It is easily reproducible and everytime the test result is a system hang. > > Johnson > > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at Âhttp://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
