On 10/28/2011 04:31 AM, Yathindra wrote: > I'm trying to create a disk and map some sectors to have errors on them. > > I tried this, > echo "0 100000 linear /dev/sdb 0 100000 480081250 error"| dmsetup create bad_disk > device-mapper: reload ioctl failed: Invalid argument > Command failed Try echo -e "0 100000 linear /dev/sdb 0\n100000 480081250 error"| dmsetup create bad_disk Milan -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel