<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type"> <title></title> </head> <body bgcolor="#ffffff" text="#000000"> I have seen that before on older systemV systems, there is some "spare" space so the system would not crash if it reach 100% full Mels Hugo van der Kooij wrote: <blockquote cite="mid:Pine.LNX.4.64.0708260119390.5085@faramir.hugo.vanderkooij.org" type="cite"> <pre wrap="">On Sat, 25 Aug 2007, Thomas Guyot-Sionnest wrote: </pre> <blockquote type="cite"> <pre wrap="">On 25/08/07 11:33 AM, Kelly Jones wrote: </pre> <blockquote type="cite"> <pre wrap="">Nagios' check_disk plug-in gets confused when "df -k" reports negative space remaining on a drive. For example, if df -k says: /dev/ccd0 567673758 524004492 -1744634 100% /partname nagios' check_disk says: DISK OK - free space: /partname 17592186042712 MB (-1% inode=97%) </pre> </blockquote> <pre wrap="">What system are you using? My df command never returns negative values so I couldn't make a simple test case... </pre> </blockquote> <pre wrap=""> I guess this is a unique feature of Solaris. Not even sure which version KJ might be referring to. Hugo. </pre> </blockquote> </body> </html>