== sanity-flr test 71: check mirror extend parent fid ==== 10:18:56 (1749478736)
striped dir -i1 -c2 -H all_char /mnt/lustre/d71.sanity-flr
 ** lfs fid2path /mnt/lustre [0x200000405:0x60:0x0]
/mnt/lustre/d71.sanity-flr/f71.sanity-flr