stat $DIR/$tfile >/dev/null
gl2=$(get_ost_param "ldlm_glimpse_enqueue")
echo "====> SOM is "$som1", "$((gl2 - gl1))" glimpse RPC occured"
- cancel_lru_locks osc
+ rm $DIR/$tfile
som_mode_switch $som1 $gl1 $gl2
+ dd if=/dev/zero of=$DIR/$tfile count=1 2>/dev/null
+ cancel_lru_locks osc
+
som2=$(do_facet $mymds "$LCTL get_param mdt.*.som" | awk -F= ' {print $2}' | head -n 1)
if [ $som1 == $som2 ]; then
error "som is still "$som2