9 src=`mktemp $base.XXXXXX` || exit 1
10 dst=`mktemp $base.XXXXXX` || exit 1
12 us0=$(attach_md -t malloc -s 1M) || exit 1
13 us1=$(attach_md -t malloc -s 2M) || exit 1
14 us2=$(attach_md -t malloc -s 3M) || exit 1
16 dd if=/dev/random of=${src} bs=1m count=$tsize >/dev/null 2>&1
18 gconcat create $name /dev/$us0 /dev/$us1 /dev/$us2 || exit 1
21 dd if=${src} of=/dev/concat/${name} bs=1m count=$tsize >/dev/null 2>&1
22 dd if=/dev/concat/${name} of=${dst} bs=1m count=$tsize >/dev/null 2>&1
24 if [ `md5 -q ${src}` != `md5 -q ${dst}` ]; then
25 echo "not ok - md5 checksum comparison"
27 echo "ok - md5 checksum comparison"