sh llmount.sh
....
sh llmountcleanup.sh
....
e2fsck -fn $ost_dev

e2fsck 1.42.7.wc1 (12-Apr-2013)
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Inode 90 ref count is 1, should be 2.  Fix? no

Inode 94 ref count is 1, should be 2.  Fix? no

Inode 105 ref count is 1, should be 2.  Fix? no

Inode 107 ref count is 1, should be 2.  Fix? no

Pass 5: Checking group summary information

lustre-OST0000: ********** WARNING: Filesystem still has errors **********

lustre-OST0000: 293/50016 files (0.7% non-contiguous), 9608/50000 blocks