== sanity test 31j: link for directory =================== 09:15:52 (1713532552)
striped dir -i1 -c1 -H crush /mnt/lustre/d31j.sanity
striped dir -i1 -c1 -H all_char /mnt/lustre/d31j.sanity/dir1
ln: '/mnt/lustre/d31j.sanity/dir1': hard link not allowed for directory
link: cannot create link '/mnt/lustre/d31j.sanity/dir3' to '/mnt/lustre/d31j.sanity/dir1': Operation not permitted
link: cannot create link '/mnt/lustre/d31j.sanity/dir1' to '/mnt/lustre/d31j.sanity/dir1': File exists