I upgraded from bb/bbgen to hobbitd and I am very pleased with the new server. However, I had a few problems with the iostat graph definition in hobbitgraph.cfg as included in the hobbit-4.0.4 distribution.

Here is the definition as distributed:

===== hobbitgraph.cfg fragment ===== [iostat] TITLE I/O Utilization YAXIS Stats FNPATTERN iostat.(.*).rrd DEF:p at RRDIDX@B=@RRDFN@:b:AVERAGE DEF:p at RRDIDX@A=@RRDFN@:asvc_t:AVERAGE DEF:p at RRDIDX@W=@RRDFN@:wsvc_t:AVERAGE CDEF:p at RRDIDX@t=p at RRDIDX@B,5,GT,p at RRDIDX@B,UNKN,IF (1) LINE2:p at RRDIDX@t#@COLOR:@RRDPARAM@ COMMENT:\n (3) COMMENT:@RRDPARAM@\n GPRINT:p at RRDIDX@B:LAST:B \: %5.1lf (cur) (2) GPRINT:p at RRDIDX@B:MAX: \: %5.1lf (max)\n GPRINT:p at RRDIDX@B:MIN: \: %5.1lf (min) GPRINT:p at RRDIDX@B:AVERAGE: \: %5.1lf (avg) GPRINT:p at RRDIDX@A:LAST:asvc_t \: %5.1lf (cur) (2) GPRINT:p at RRDIDX@A:MAX: \: %5.1lf (max)\n GPRINT:p at RRDIDX@A:MIN: \: %5.1lf (min) GPRINT:p at RRDIDX@A:AVERAGE: \: %5.1lf (avg) GPRINT:p at RRDIDX@W:LAST:wsvc_t \: %5.1lf (cur) (2) GPRINT:p at RRDIDX@W:MAX: \: %5.1lf (max)\n GPRINT:p at RRDIDX@W:MIN: \: %5.1lf (min) GPRINT:p at RRDIDX@W:AVERAGE: \: %5.1lf (avg) (4)

=====

I listed my problems in order of decreasing severity:

(1) There is a syntax error in the LINE2 definition for iostat: @COLOR should be @COLOR@

(2) The legenda has linebreaks at the end of GPRINT lines for (max). This means you get a legenda like this (simplified to save space): B <B-cur> <B-max>\n <B-min> <B-avg> asvc_t <A-cur> <A-max>\n <A-min> <A-avg> wsvc_t <W-cur> <W-max>\n <W-min> <W-avg> By moving the linebreaks to the end of the GPRINT line for (avg) you would get a better lay-out: B <B-cur> <B-max> <B-min> <B-avg>\n asvc_t <A-cur> <A-max> <A-min> <A-avg>\n wsvc_t <W-cur> <W-max> <W-min> <W-avg>\n

(3) The line COMMENT:@RRDPARAM@\n is not really needed since it only repeats the text already shown in the LINE2 line (unless you add more graphs for the same filesystem).

(4) on the other hand, a COMMENT:\n as separator after the GPRINT lines would improve the lay-out of the legenda

I attached a patch file that fixes these problems. It can be applied against either the source copy in hobbit-4.0.4/hobbitd/etcfiles or the active copy in ~hobbit/server/etc. I hope this helps someone,

Regards, E. Furth

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