which perl || exit 200
which awk || exit 200
which cut || exit 200
-test -f /proc/mdstat || exit 200
+
+test -f /proc/mdstat && grep -q raid0 /proc/mdstat || \
+modprobe raid0 || exit 200
. ./test-utils.sh
linux_minor=$(echo `uname -r` | cut -d'.' -f3 | cut -d'-' -f1)
# Test newer topology-aware alignment detection
-if [ $linux_minor -gt 31 ]; then
+# - first added to 2.6.31 but not "reliable" until 2.6.33
+if [ $linux_minor -ge 33 ]; then
pv_align="256.00k"
pvcreate --metadatasize 128k \
--config 'devices { md_chunk_alignment=0 }' $mddev
fi
# partition MD array directly, depends on blkext in Linux >= 2.6.28
-if [ $linux_minor -gt 27 ]; then
+if [ $linux_minor -ge 28 ]; then
# create one partition
sfdisk $mddev <<EOF
,,83
# Checking for 'alignment_offset' in sysfs implies Linux >= 2.6.31
sysfs_alignment_offset=/sys/dev/block/${mddev_maj_min}/${base_mddev_p}/alignment_offset
- [ -f $sysfs_alignment_offset ] && \
+ [ -f $sysfs_alignment_offset -a $linux_minor -ge 33 ] && \
alignment_offset=`cat $sysfs_alignment_offset` || \
alignment_offset=0