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debugreiserfs ()
  • >> debugreiserfs (8) ( Linux man: Команды системного администрирования )
  •  

    NAME

    debugreiserfs - The debugging tool for the ReiserFS filesystem.
     
    

    SYNOPSIS

    debugreiserfs [ -dDJmoqpuSV ] [ -j device ] [ -B file ] [ -1 N ]

    device  

    DESCRIPTION

    debugreiserfs sometimes helps to solve problems with reiserfs filesystems. When run without options it prints the super block of the ReiserFS filesystem found on the device.
    device
    is the special file corresponding to the device (e.g /dev/hdXX for an IDE disk partition or /dev/sdXX for a SCSI disk partition).
     

    OPTIONS

    -j device
    prints the contents of the journal. The option -p allows it to pack the journal with other metadata into the archive.
    -J
    prints the journal header.
    -d
    prints the formatted nodes of the internal tree of the filesystem.
    -D
    prints the formatted nodes of all used blocks of the filesystem.
    -m
    prints the contents of the bitmap (slightly useful).
    -o
    prints the objectid map (slightly useful).
    -B file
    takes the list of bad blocks stored in the internal ReiserFS tree and translates it into an ascii list written to the specified file.
    -1 blocknumber
    prints the specified block of the filesystem.
    -p extracts the filesystem's metadata with debugreiserfs -p /dev/xxx | gzip -c > xxx.gz. None of your data are packed unless a filesystem corruption presents when the whole block having this corruption is packed. You send us the output, and we use it to create a filesystem with the same structure as yours using debugreiserfs -u. When the data file is not too large, this usually allows us to quickly reproduce and debug the problem.
    -u
    builds the ReiserFS filesystem image with gunzip -c xxx.gz | debugreiserfs -u /dev/image of the previously packed metadata with debugreiserfs -p. The result image is not the same as the original filesystem, because mostly only metadata were packed with debugreiserfs -p, but the filesystem structure is completely recreated.
    -S
    When -S is not specified -p deals with blocks marked used in the filesystem bitmap only. With this option set debugreiserfs will work with the entire device.
    -q
    When -p is in use, suppress showing the speed of progress.
     

    AUTHOR

    This version of debugreiserfs has been written by Vitaly Fertman <vitaly@namesys.com>.  

    BUGS

    Please report bugs to the ReiserFS developers <reiserfs-dev@namesys.com>, providing as much information as possible--your hardware, kernel, patches, settings, all printed messages; check the syslog file for any related information.  

    SEE ALSO

    reiserfsck(8), mkreiserfs(8)


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    OPTIONS
    AUTHOR
    BUGS
    SEE ALSO


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