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    SubjectRe: 2.6.9-mm1: LVM stopped working (dio-handle-eof.patch)
    On Thu, Oct 28, 2004 at 12:52:20PM +0800, Jeff Chua wrote:
    > I'm using 2.6.10-rc1 and got the following error ...
    > # lvcreate -L 100M -n lv01 vg01
    > device-mapper ioctl cmd 0 failed: Inappropriate ioctl for device
    > striped: Required device-mapper target(s) not detected in your kernel
    > lvcreate: Create a logical volume

    But that's *not* the dio problem we're discussing in this thread.
    It's saying userspace communication with device-mapper isn't working,
    most likely because there's something wrong with the way your
    system creates /dev/mapper/control when booting or the ioctl
    compatibility code (what architecture?).

    Alasdair
    --
    agk@redhat.com

    Subject: Re: 2.6.9-mm1: LVM stopped working
    Reply-To:
    In-Reply-To: <20041026140925.GO16193@agk.surrey.redhat.com>

    On Tue, Oct 26, 2004 at 03:09:25PM +0100, Alasdair G Kergon wrote:
    > On Tue, Oct 26, 2004 at 09:55:38PM +0800, Jeff Chua wrote:
    > > It doesn't work on 2.6.10-rc1 either. Works fine on 2.6.9 and 2.4.8-rc1.
    > > device-mapper ioctl cmd 0 failed: Inappropriate ioctl for device
    >
    > Do you get any corresponding kernel messages?
    > Check /dev/mapper/control corresponds to /proc/devices & /proc/misc.
    > (See device-mapper scripts/devmap_mknod.sh)
    > Use 'dmsetup version' and 'dmsetup targets' to test.
    >
    > Alasdair
    > --
    > agk@redhat.com
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