{"id":2846,"date":"2022-12-20T15:17:28","date_gmt":"2022-12-20T18:17:28","guid":{"rendered":"http:\/\/lode.uno\/linux-man\/index.php\/2022\/12\/20\/debugreiserfs-man8\/"},"modified":"2022-12-20T15:17:28","modified_gmt":"2022-12-20T18:17:28","slug":"debugreiserfs-man8","status":"publish","type":"post","link":"https:\/\/lode.uno\/linux-man\/2022\/12\/20\/debugreiserfs-man8\/","title":{"rendered":"DEBUGREISERFS (man8)"},"content":{"rendered":"

DEBUGREISERFS<\/h1>\n

NAME<\/a>
SYNOPSIS<\/a>
DESCRIPTION<\/a>
OPTIONS<\/a>
AUTHOR<\/a>
BUGS<\/a>
SEE ALSO<\/a> <\/p>\n

\n

NAME <\/a> <\/h2>\n

debugreiserfs \u2212 The debugging tool for the ReiserFS filesystem.<\/p>\n

SYNOPSIS <\/a> <\/h2>\n

debugreiserfs<\/b> [ -dDJmoqpuSV<\/b> ] [ -j<\/b> device<\/i> ] [ -B<\/b> file<\/i> ] [ -1<\/b> N<\/i> ]<\/p>\n

device<\/i><\/p>\n

DESCRIPTION <\/a> <\/h2>\n

debugreiserfs<\/b><\/i> 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<\/i>.<\/p>\n\n\n
<\/td>\n\n

device<\/i><\/p>\n<\/td>\n

<\/td>\n\n

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).<\/p>\n<\/td>\n<\/tr>\n<\/table>\n

OPTIONS <\/a> <\/h2>\n

-j<\/b> device<\/i><\/p>\n

prints the contents of the journal. The option \u2212p allows it to pack the journal with other metadata into the archive.<\/p>\n\n\n\n\n\n\n
<\/td>\n\n

-J<\/b><\/p>\n<\/td>\n

<\/td>\n\n

prints the journal header.<\/p>\n<\/td>\n<\/tr>\n

<\/td>\n\n

-d<\/b><\/p>\n<\/td>\n

<\/td>\n\n

prints the formatted nodes of the internal tree of the filesystem.<\/p>\n<\/td>\n<\/tr>\n

<\/td>\n\n

-D<\/b><\/p>\n<\/td>\n

<\/td>\n\n

prints the formatted nodes of all used blocks of the filesystem.<\/p>\n<\/td>\n<\/tr>\n

<\/td>\n\n

-m<\/b><\/p>\n<\/td>\n

<\/td>\n\n

prints the contents of the bitmap (slightly useful).<\/p>\n<\/td>\n<\/tr>\n

<\/td>\n\n

-o<\/b><\/p>\n<\/td>\n

<\/td>\n\n

prints the objectid map (slightly useful).<\/p>\n<\/td>\n<\/tr>\n<\/table>\n

-B<\/b> file<\/i><\/p>\n

takes the list of bad blocks stored in the internal ReiserFS tree and translates it into an ascii list written to the specified file.<\/p>\n

-1<\/b> blocknumber<\/i><\/p>\n

prints the specified block of the filesystem.<\/p>\n\n\n\n\n\n
<\/td>\n\n

-p<\/b><\/p>\n<\/td>\n

<\/td>\n\n

extracts the filesystem\u2019s metadata with debugreiserfs<\/b> \u2212p \/dev\/xxx | gzip \u2212c > 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 strucure as yours using debugreiserfs \u2212u<\/b>. When the data file is not too large, this usually allows us to quickly reproduce and debug the problem.<\/p>\n<\/td>\n<\/tr>\n

<\/td>\n\n

-u<\/b><\/p>\n<\/td>\n

<\/td>\n\n

builds the ReiserFS filesystem image with gunzip \u2212c xxx.gz | debugreiserfs<\/b> \u2212u \/dev\/image of the previously packed metadata with debugreiserfs \u2212p<\/b>. The result image is not the same as the original filesystem, because mostly only metadata were packed with debugreiserfs \u2212p<\/b>, but the filesystem structure is completely recreated.<\/p>\n<\/td>\n<\/tr>\n

<\/td>\n\n

-S<\/b><\/p>\n<\/td>\n

<\/td>\n\n

When \u2212S is not specified \u2212p deals with blocks marked used in the filesystem bitmap only. With this option set debugreiserfs<\/b> will work with the entire device.<\/p>\n<\/td>\n<\/tr>\n

<\/td>\n\n

-q<\/b><\/p>\n<\/td>\n

<\/td>\n\n

When \u2212p is in use, suppress showing the speed of progress.<\/p>\n<\/td>\n<\/tr>\n<\/table>\n

AUTHOR <\/a> <\/h2>\n

This version of debugreiserfs<\/b> has been written by Vitaly Fertman .<\/p>\n

BUGS <\/a> <\/h2>\n

Please report bugs to the ReiserFS developers , providing as much information as possible–your hardware, kernel, patches, settings, all printed messages; check the syslog file for any related information.<\/p>\n

SEE ALSO <\/a> <\/h2>\n

reiserfsck<\/b>(8), mkreiserfs<\/b>(8)<\/p>\n

\n","protected":false},"excerpt":{"rendered":"

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