<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> <meta name="Generator" content="Microsoft Exchange Server">  <style></style> </head> <body> <font face="Calibri, sans-serif" size="2"> <div>I have Nagios servers installed with standard installation of nagiosgraph. I am seeing some weird behaviour of the graphs showing the data returned from check_disk.</div> <div> </div> <div>I have a filesystem which has usage as follows:</div> <div><font face="Courier New, monospace">Filesystem Size Used Avail Use% Mounted on</font></div> <div><font face="Courier New, monospace">filer02.uk.xensource.com:/vol/groups/images</font></div> <div><font face="Courier New, monospace"> 450G 310G 141G 69% /usr/groups/images</font></div> <div> </div> <div>check_disk returns the following information from the following command</div> <div>check_disk -w 90 -c 95 -p /usr/groups/images --units=GB</div> <div> </div> <div>DISK OK - free space: /usr/groups/images 144182 MB (31% inode=99%);| /usr/groups/images=316617MB;460710;460705;0;460800</div> <div> </div> <div>However, nagiosgraph is showing the following information</div> <div>Size = 331.79, should be 310</div> <div>Warning = 477.82, should be 445.5</div> <div>Critical = 483.18, should be 450</div> <div>Min = 0, which is correct</div> <div>Max = 483.18, should be 450</div> <div> </div> <div><img src="cid:5fd15764-2cb2-4e2f-80c6-9c3962945997"> </div> <div> </div> <div>Looking at the GB value and converting to bytes and then back to GB using decimal bytes gives these figures.</div> <div> </div> <div>Is there any way to make nagiosgraph using binary bytes rather than decimal. I am not that familiar with nagiosgraph or RRD and cannot work out how to make the change.</div> <div> </div> <div>Many Thanks</div> <div> </div> <div>James</div> <div> </div> </font> </body> </html>