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?).