2 # Confirm that raid6check handles all RAID6 layouts.
3 # Try both 4 and 5 devices.
7 if expr $lv '>=' 2.6.30 > /dev/null
9 layouts="$layouts parity-first ddf-zero-restart ddf-N-restart ddf-N-continue \
10 left-asymmetric-6 right-asymmetric-6 left-symmetric-6 right-symmetric-6 parity-first-6"
13 for layout in $layouts
17 dl="$dev0 $dev1 $dev2 $dev3"
18 if [ $devs = 5 ]; then dl="$dl $dev4"; fi
20 mdadm -CR $md0 -l6 --layout $layout -n$devs $dl
23 ./raid6check $md0 0 0 | grep 'Error detected' && exit 1