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Annotation of coherent/a/usr/man/COHERENT/dcheck, revision 1.1

1.1     ! root        1: 
        !             2: 
        !             3: dcheck                       Command                       dcheck
        !             4: 
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        !             6: 
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        !             8: Directory consistency check
        !             9: 
        !            10: 
        !            11: ddcchheecckk [ -ss ] [ -ii _i_n_u_m_b_e_r ... ] _f_i_l_e_s_y_s_t_e_m ...
        !            12: 
        !            13: dcheck performs a consistency check on each specified filesystem.
        !            14: It scans all the  directories in each filesystem and keeps counts
        !            15: of all i-nodes  referenced.  It compares these counts against the
        !            16: link  counts maintained  in the i-nodes.   dcheck notes  any dis-
        !            17: crepancies, and notes allocated i-nodes with a 0 link count.
        !            18: 
        !            19: If the -i switch is  present, dcheck compares each inumber in the
        !            20: list  against those  in each  directory.   It reports  matches by
        !            21: printing the i-number,  the i-number of the parent directory, and
        !            22: the name of the entry.
        !            23: 
        !            24: The -s  switch causes dcheck to correct the  link count of errant
        !            25: i-nodes to the entry count.
        !            26: 
        !            27: Since dcheck  is two-pass, the  file system should  be unmounted.
        !            28: If  -s is  used on  the root  file system,  the system  should be
        !            29: rebooted immediately (without performing a sync).  The raw device
        !            30: should be used.
        !            31: 
        !            32: ***** See Also *****
        !            33: 
        !            34: check, dir.h, icheck, ncheck, sync, umount
        !            35: 
        !            36: ***** Diagnostics *****
        !            37: 
        !            38: If the  link count is  0 and there  are entries, the  file system
        !            39: must be mounted and all entries removed immediately.  If the link
        !            40: count is  nonzero and  the entry count  is larger, the  -s option
        !            41: must be used to make the  counts agree.  In all other cases there
        !            42: may be  wasted disk space but  there is no danger  of losing file
        !            43: data.
        !            44: 
        !            45: ***** Notes *****
        !            46: 
        !            47: In earlier releases of COHERENT, dcheck acted upon a default file
        !            48: system if none was specified.
        !            49: 
        !            50: This command has largely been replaced by fsck.
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        !            63: 
        !            64: COHERENT Lexicon                                           Page 1
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