When you run the fsck command interactively and it completes successfully, a message similar to the following is displayed:
# fsck /dev/rdsk/c0t0d0s7 ** /dev/rdsk/c0t0d0s7 ** Last Mounted on /export/home ** Phase 1 - Check Blocks and Sizes ** Phase 2 - Check Pathnames ** Phase 3 - Check Connectivity ** Phase 4 - Check Reference Counts ** Phase 5 - Check Cyl groups 2 files, 9 used, 2833540 free (20 frags, 354190 blocks, 0.0% fragmentation) # |
The last line of fsck output describes the following information about the file system:
Number of inodes in use
Number of fragments in use
Number of unused fragments
Number of unused non-block fragments
Number of unused full blocks
Percentage of fragmentation, where: free fragments x 100 / total fragments in the file system
For information about fragments, see Fragment Size.