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   xfsdump    ( 8 )

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Диагностика (Diagnostic)

The exit code is 0 on normal completion, non-zero if an error
       occurs or the dump is terminated by the operator.

       For all verbosity levels greater than 0 (silent) the final line
       of the output shows the exit status of the dump. It is of the
       form:

            xfsdump: Dump Status: code

       Where code takes one of the following values: SUCCESS (normal
       completion), INTERRUPT (interrupted), QUIT (media no longer
       usable), INCOMPLETE (dump incomplete), FAULT (software error),
       and ERROR (resource error).  Every attempt will be made to keep
       both the syntax and the semantics of this log message unchanged
       in future versions of xfsdump.  However, it may be necessary to
       refine or expand the set of exit codes, or their interpretation
       at some point in the future.

       The message ``xfsdump: WARNING: unable to open directory: ino N:
       Invalid argument'' can occur with filesystems which are actively
       being modified while xfsdump is running.  This can happen to
       either directory or regular file inodes - affected files will not
       end up in the dump, files below affected directories will be
       placed in the orphanage directory by xfsrestore.