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</o:shapelayout></xml><![endif]--></head><body lang=EN-NZ link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>If I understand you correctly from your diagram, you want to have a Y-axis showing the VDEF value, and the X-axis simply has separate sources, not a scale.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>If this is the case, then you cannot do it with RRDTool alone. In RRDtool, the X-axis is ALWAYS time. Your only option is to extract the VDEF data using FETCH, and then use a separate graphing package to render this as a graph.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>If I’m wrong, and your X-Axis is intended to be time but grouped in months, showing for a single VDEF, then you can do this by forcing your graph to have a monthly resolution and plot that as an area with the slope option off. You end up with a chunky bar graph then.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Steve<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div class=MsoNormal align=center style='text-align:center'><span lang=EN-US style='color:#1F497D'><hr size=2 width="100%" align=center></span></div><p class=MsoNormal><b><span style='color:#1F497D'>Steve Shipway<o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:10.0pt;color:#1F497D'>ITS Unix Services Design Lead<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;color:#1F497D'>University of Auckland, New Zealand<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;color:#1F497D'>Floor 1, 58 Symonds Street, Auckland<o:p></o:p></span></p><p class=MsoNormal><i><span style='font-size:10.0pt;color:#595959'>Phone: +64 (0)9 3737599 ext 86487<o:p></o:p></span></i></p><p class=MsoNormal><i><span style='font-size:10.0pt;color:#595959'>DDI: +64 (0)9 924 6487<o:p></o:p></span></i></p><p class=MsoNormal><i><span style='font-size:10.0pt;color:#595959'>Mobile: +64 (0)21 753 189<o:p></o:p></span></i></p><p class=MsoNormal><i><span style='font-size:10.0pt;color:#595959'>Email: <a href="mailto:s.shipway@auckland.ac.nz"><span style='color:#595959'>s.shipway@auckland.ac.nz</span></a><o:p></o:p></span></i></p><p class=MsoNormal><span lang=EN-GB style='font-size:18.0pt;font-family:Webdings;color:green'>P</span><span lang=EN-GB style='color:blue'> </span><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial Narrow","sans-serif";color:green'>Please consider the environment before printing this e-mail</span><span lang=EN-GB style='color:blue'> </span><span lang=EN-GB style='font-size:7.5pt;font-family:"Verdana","sans-serif";color:navy'><o:p></o:p></span></p><p class=MsoNormal><i><span style='font-size:10.0pt;color:#1F497D'><o:p> </o:p></span></i></p></div><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> rrd-users-bounces+s.shipway=auckland.ac.nz@lists.oetiker.ch [mailto:rrd-users-bounces+s.shipway=auckland.ac.nz@lists.oetiker.ch] <b>On Behalf Of </b>Shabnam Shahreza<br><b>Sent:</b> Thursday, 13 October 2011 7:09 a.m.<br><b>To:</b> rrd-users@lists.oetiker.ch<br><b>Subject:</b> [rrd-users] 3 questions<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US>Hi rrd-users;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>I am new to rrdtool and have few questions:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>1)<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US>How can I draw only dots/pixels for the VDEF (MAXIMUM) values and not *<b>line</b>* or dashed line?<o:p></o:p></span></p><p class=MsoListParagraph><span lang=EN-US>I mean only one dot for the maximum value for start-to-end time period?<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>2)<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US>And how can I compare different VDEF (MAXIMUMs) from several rrd files in one graph and pick the MAX of them? Do I need to create a new rrd file and extract the max from there?<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>3)<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US>And how can I calculate separate VDEF (MAXIMUM) for different start-to-end time frames in one graph, such as monthly? <o:p></o:p></span></p><p class=MsoNormal style='margin-left:18.0pt'><span lang=EN-US> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>The answers can help me to draw only maximum values per month from several sources but in one graph.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>(each dot in the below example can come from a different rrd file)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>^<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>| o<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>| o<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>| o o <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>| o o<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>+-------------+-------+--------+---------+-------+---------------</span><span lang=EN-US style='font-family:Wingdings'>à</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Regards;<o:p></o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Sbnm</span></b><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p></div></div></body></html>