malahal@us.ibm.com wrote: > I usually run "echo 1 > /sys/block/sda/device/delete" to make /dev/sda > disappear and fail for LVM tests. You can fail the disk in a lot of ways > depending on your hardware, but this trick works with almost every > device! # echo offline > /sys/block/sda/device/state might work as well. In this case, you can recover the failure by # echo running > /sys/block/sda/device/state Thanks, Taka _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/