Provided by: amanda-server_2.4.5p1-2_i386 bug


       amplot - visualize the behavior of AMANDA


       amplot [-b] [-c] [-e] [-g] [-l] [-p] [-t T] amdump_files


       Amplot reads an amdump output file that AMANDA generates each run (e.g.
       amdump.1) and translates the information into a picture format that may
       be  used  to  determine  how  your  installation  is  doing  and if any
       parameters need to be changed. Amplot also prints out amdump lines that
       it either does not understand or knows to be warning or error lines and
       a summary of the start, end and total time for each backup image.

       Amplot is a shell script that executes an awk program  (amplot.awk)  to
       scan  the  amdump  output  file.  It  then  executes  a gnuplot program
       (amplot.g) to generate the graph. The awk  program  is  written  in  an
       enhanced  version  of awk, such as GNU awk (gawk version 2.15 or later)
       or nawk.

       During execution, amplot generates a few temporary files  that  gnuplot
       uses. These files are deleted at the end of execution.

       See the amanda(8) man page for more details about AMANDA.


       -b     Generate b/w postscript file (need -p).

       -c     Compress amdump_files after plotting.

       -e     Extend the X (time) axis if needed.

       -g     Direct gnuplot output directly to the X11 display (default).

       -p     Direct postscript output to file (opposite of -g).

       -l     Generate landscape oriented output (needs -p).

       -t T   Set the right edge of the plot to be T hours.

       The  amdump_files may be in various compressed formats (compress, gzip,
       pact, compact).


       The figure is divided into a number of regions. There are titles on the
       top that show important statistical information about the configuration
       and from this execution of amdump. In the figure, the X axis  is  time,
       with  0 being the moment amdump was started. The Y axis is divided into
       5 regions:

       QUEUES: How many backups have not been started, how many are waiting on
       space   in  the  holding  disk  and  how  many  have  been  transferred
       successfully to tape.

       %BANDWIDTH: Percentage of allowed network bandwidth in use.

       HOLDING DISK: The higher line depicts space allocated  on  the  holding
       disk to backups in progress and completed backups waiting to be written
       to tape. The lower line  depicts  the  fraction  of  the  holding  disk
       containing  completed  backups  waiting to be written to tape including
       the file currently being written to tape. The scale  is  percentage  of
       the holding disk.

       TAPE: Tape drive usage.

       %DUMPERS: Percentage of active dumpers.

       The  idle  period at the left of the graph is time amdump is asking the
       machines how much data they are going to dump. This process can take  a
       while  if  hosts  are  down  or  it  takes them a long time to generate


       Olafur  Gudmundsson  <>,   Trusted   Information   Systems,
       formerly at University of Maryland, College Park: Original text

       Stefan    G.    Weichinger,   <>,   maintainer   of   the
       AMANDA-documentation: XML-conversion


       Reports lines it does not recognize, mainly error cases  but  some  are
       legitimate lines the program needs to be taught about.


       amanda(8),  amdump(8),  gawk(1),  nawk(1),  awk(1),  gnuplot(1), sh(1),
       compress(1), gzip(1)