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    Command:

    xfs_logprint

    
    
    

    SYNOPSIS

           xfs_logprint [ options ] device
    
    
    

    DESCRIPTION

           xfs_logprint  prints  the  log  of an XFS filesystem (see xfs(5)).  The
           device argument is the pathname of the partition or logical volume con-
           taining  the  filesystem.  The  device  can be a regular file if the -f
           option is used. The contents  of  the  filesystem  remain  undisturbed.
           There are two major modes of operation in xfs_logprint.
    
           One  mode  is  better for filesystem operation debugging.  It is called
           the transactional view and is enabled through the -t option. The trans-
           actional  view  prints  only  the  portion  of the log that pertains to
           recovery. In other words, it prints out complete  transactions  between
           the  tail  and  the  head.  This view tries to display each transaction
           without regard to how they are split across log records.
    
           The second mode starts printing out information from the  beginning  of
           the  log.   Some  error blocks might print out in the beginning because
           the last log record usually overlaps the oldest log record.  A  message
           is  printed  when  the  physical end of the log is reached and when the
           logical end of the log is reached. A log record view is  displayed  one
           record at a time. Transactions that span log records may not be decoded
           fully.
    
    
    

    OPTIONS

           -b     Extract and print buffer information. Only used in transactional
                  view.
    
           -c     Attempt to continue when an error is detected.
    
           -C filename
                  Copy  the log from the filesystem to the file filename.  The log
                  itself is not printed.
    
           -d     Dump the log from front to end, printing where each  log  record
                  is located on disk.
    
           -D     Do not decode anything; just print data.
    
           -e     Exit  when  an error is found in the log. Normally, xfs_logprint
                  tries to continue and unwind from bad logs.  However,  sometimes
                  it  just  dies  in  bad  ways.   Using this option prevents core
                  dumps.
    
           -f     Specifies that the filesystem image to be processed is stored in
                  a  regular  file at device (see the mkfs.xfs(8) -d file option).
                  This might happen if an image copy of a filesystem has been made
                  into an ordinary file with xfs_copy(8).
    
           -l logdev
                  External  log  device.  Only  for those filesystems which use an
    
           -s start-block
                  Override any notion of where to start printing.
    
           -t     Print out the transactional view.
    
    
    

    SEE ALSO

           mkfs.xfs(8), mount(8).
    
                                                                   xfs_logprint(8)
    
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