Sun Microsystems Sun Workstation 100U System Manager's Manual page 294

Fsck - The UNIX File System Check Program
Table of Contents
1. Overview of the File System ... .... ..... ......... .... ..... ............. ......... ..... .... ..... .... ..... .... ..... .... .......... 1
1.1. Superblock .............................................................................................................................. 1
1.2. Summary Information ..................................................................................................... 2
1.3. Cylinder Groups ............. ........................................................................ ............................
2
1.4. Fragments ............................................................................................................................... 2
1.5. Updates to the File System ......................................................................................... 3
2. Fixing Corrupted File Systems ............................................................................................ 4
2.1. Detecting and Correcting Corruption ....................................................................
4
2.2. Super-block Checking ............... ...................................................................................... 4
2.3. Free Block Checking ........................................................................................................
5
2.4. Checking the Inode State .............................................................................................. 5
2.5. Inode Links ............................................................................................................................
5
2.6. Inode Data Size ................................................................................................................... 6
2.7. Checking the Data Associated with an Inode ................................................... 6
2.8. File System Connectivity ..............................................................................................
7
A. Fsck Error Conditions ..............................................................................................................
8
A.I. Conventions ..........................................................................................................................
8
A.2. Iuitialization ......................................................................................................................... 8
A.3. Phase 1 Check Blocks and Sizes .............................................................................. 10
A.4. Phase IB: Rescan for More Dup's .......................................................................... 12
A.S. Phase 2 Check Pathnames .......................................................................................... 12
A.6. Phase 3 Check Connectivity ...................................................................................... 14
A.7. Phase 4 Check Reference Counts ............................................................................ 15
A.8. Phase 5 - Check Cyl Groups ...................................................................................... 18
A.9. Phase 6 - Salvage Cylinder Groups ........................................................................ 19
A.IO. Cleanup ................................................................................................................................ 19
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