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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='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Your E: drive is insanely huge at 15TB. Possibly something is using signed integers when it should be using unsigned… <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri","sans-serif";color:#1F497D'>The </span><span style='font-family:"Calibri","sans-serif";color:#1F497D'>-268468737 </span><span style='font-family:"Calibri","sans-serif";color:#1F497D'>value is a signed representation for the unsigned integer </span><span style='font-family:"Calibri","sans-serif";color:#1F497D'>4026498559 (convert to hex and get 0xEFFF7DFF in both cases); multiply the unsigned value by the cluster size and you get your 15TB. Something is using an unsigned integer when it should be signed, or vice-versa.</span><span style='font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Steve<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Steve Shipway<o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>s.shipway@auckland.ac.nz<o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";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"'> mrtg [mailto:mrtg-bounces+s.shipway=auckland.ac.nz@lists.oetiker.ch] <b>On Behalf Of </b>Christian Arnaut<br><b>Sent:</b> Wednesday, 26 November 2014 11:05 a.m.<br><b>To:</b> mrtg@lists.oetiker.ch<br><b>Subject:</b> [mrtg] SNMP Disk Space Negative Values<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><span style='font-family:"Calibri","sans-serif"'>Am attempting to use MRTG to monitor disk space on a Windows Server as I have done on multiple servers and workstations in the past. However, this time the local storage capacity on the local drive partition is nearly 15TB. <br> <br>It appears that I have exceeded an SNMP threshold where the integer values are now negative numbers. For example to monitor total space on the C: drive I used (simplified)... iso.3.6.1.2.1.25.2.3.1.4.2 * iso.3.6.1.2.1.25.2.3.1.6.2<br> <br></span><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>iso.3.6.1.2.1.25.2.3.1.3.2 = STRING: "C:\\ Label:"<br>iso.3.6.1.2.1.25.2.3.1.3.4 = STRING: "E:\\ Label:"<br>iso.3.6.1.2.1.25.2.3.1.4.2 = INTEGER: 4096<br>iso.3.6.1.2.1.25.2.3.1.4.4 = INTEGER: 4096<br>iso.3.6.1.2.1.25.2.3.1.5.2 = INTEGER: 10350335<br>iso.3.6.1.2.1.25.2.3.1.5.4 = INTEGER: -268468737<br>iso.3.6.1.2.1.25.2.3.1.6.2 = INTEGER: 6261795<br>iso.3.6.1.2.1.25.2.3.1.6.4 = INTEGER: -527400222</span><span style='font-family:"Calibri","sans-serif"'><br> <br>With the E: drive, iso.3.6.1.2.1.25.2.3.1.4.4 correctly shows the cluster size (4096). However, I am sure the total number of clusters isn't '-527400222'. Even if I used the absolute value of 527400222, the numbers don't add up to the 15TB partition size. <br> <br>Any suggestions? Or have I reached the limitation of MRTG for the purpose I am looking for?<br> <br> <br>Thank you, in advance, for any assistance!<br><br>~Christian<o:p></o:p></span></p></div></div></div></body></html>