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07.22.2008 at 06:01AM PDT, ID: 23584919
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"df" is inaccurate in Solaris 9 ???

Asked by huffmana in Sun Solaris, Unix Operating Systems, Dynamic Host Configuration Protocol (DHCP)

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After looking at several Solaris 9 servers, I have noticed that the df command is not accurate.  For example, a server with a 4 GB swap (as seen from the format command) and 4GB memory shows the following:
df -lk /tmp
filesystem              size           used            avail               capacity              mounted on
swap                     6.6G          5.1M            6.6G                 1%                    /tmp

This only thing that I can figure is that there are file handles that are causing the df command to look into real memory ???
Note that "top" is also inaccurate:
Memory: 4096M real, 3112M free, 397M swap in use, 6764M swap free
Even "swap -s" gives the funny 6.6G available number ????

The only thing that seems to really give swap utilization is "swap -l"
/dev/md/dsk/d0   85,1   16    8386736   8386640
Since swap -l in in 512k block, 1./2 of 8386736 is in the ball park of the actual partition size....

What is going on?  How can I accurately see what is happening with real memory and real /tmp ???Start Free Trial
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[+][-]07.22.2008 at 06:32AM PDT, ID: 22059119

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[+][-]07.22.2008 at 06:38AM PDT, ID: 22059162

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[+][-]07.22.2008 at 06:49PM PDT, ID: 22065403

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Zones: Sun Solaris, Unix Operating Systems, Dynamic Host Configuration Protocol (DHCP)
Tags: df inaccurate, swap -s inaccurate, worng swap utilization size
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Solution Provided By: yuzh
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[+][-]07.23.2008 at 01:44AM PDT, ID: 22067154

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[+][-]07.24.2008 at 01:30AM PDT, ID: 22077041

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[+][-]07.24.2008 at 02:08AM PDT, ID: 22077197

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[+][-]07.24.2008 at 02:34AM PDT, ID: 22077324

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[+][-]07.24.2008 at 04:54AM PDT, ID: 22078037

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[+][-]07.24.2008 at 05:04AM PDT, ID: 22078115

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[+][-]07.24.2008 at 05:26AM PDT, ID: 22078285

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[+][-]07.24.2008 at 05:37AM PDT, ID: 22078369

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[+][-]07.24.2008 at 07:45AM PDT, ID: 22079696

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