у меня есть nas я запустил
fsck -vn /dev/md1
/dev/md1: ********** WARNING: Filesystem still has errors **********
590203 inodes used (0.48%)
31634 non-contiguous files (5.4%)
329 non-contiguous directories (0.1%)
# of inodes with ind/dind/tind blocks: 78170/9180/38
282071235 blocks used (57.88%)
0 bad blocks
100 large files
506769 regular files
81455 directories
0 character device files
0 block device files
14 fifos
1288 links
1953 symbolic links (1609 fast symbolic links)
2 sockets
--------
591481 files