== sanity-flr test 71: check mirror extend parent fid ==== 19:15:19 (1760138119)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d71.sanity-flr
 ** lfs fid2path /mnt/lustre [0x240000405:0x52:0x0]
/mnt/lustre/d71.sanity-flr/f71.sanity-flr