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Full Discussion: Help with awk - Disk usage
Top Forums Shell Programming and Scripting Help with awk - Disk usage Post 302952246 by xcod3r on Sunday 16th of August 2015 11:27:28 AM
Old 08-16-2015
Help with awk - Disk usage
Hi All,

Would appreciate your help as to why the following code not showing the correct output. the issue is on the last else cause. I am trying to report on disk space based on percentage usage. for some reason, it's showing output as OK even thou disk space is 90% !!!! any ideas why? thanks!!

Code:
df -k | awk '
NR > 1 {

        _used=$5; sub(/%/,"",_used);
        if(_used >= 90)
                _status="CRITICAL"
        else if (_used >= 85)
                _status="WARN"
        else if (_used >= 75)
                _status="ATTEN"
        else _status="OK"

}
END { print _status }'




Code:
df -k
Filesystem     1K-blocks    Used Available Use% Mounted on
/dev/sda1        9288056 1218896   7597352  95% /
udev              505328       4    505324   1% /dev
tmpfs             205292     312    204980   1% /run
none                5120       0      5120   0% /run/lock
none              513228       0    513228   0% /run/shm

 

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LEARN ABOUT REDHAT

inndf

INNDF(8)						      System Manager's Manual							  INNDF(8)

NAME

       inndf - Replacement for 'df | awk' in innwatch.ctl

SYNOPSIS

       inndf [ -i ] filesystem(s) | [ -n ] [ -o ]

DESCRIPTION

       Inndf  is  a  replacement  for 'df | awk' in innwatch.ctl(5) or used in innstat(8).  Inndf reports free Kilobytes (not disk blocks) or free
       inodes.	Kilobytes in this case means 1024 bytes.

       If arguments are multiply specified, the output includes multiple lines which shows each specified argument and the value.  This is used by
       innstat(8).

       Inndf doesn't sync, forks less, is less complicated, etc.

       If  <enableoverview in inn.conf> is set to ``true'' and other overview settings are already done, inndf can also show the usage of overview
       space or the number of stored data.

OPTIONS

       -i     If the ``-i'' flag is used, then the number of free inodes are reported instead of the number of free Kilobytes.

       -n     If the ``-n'' flag is used, then total number of stored overview data is reported.  The number counts different data even if article
	      is crossposted.

       -o     If  the  ``-o'' flag is used, then overview space usage are reported as percentage.  ``-o'' cannot be always available.  This can be
	      available for ``buffindexed'' ovmethod currently.

HISTORY

       Inndf was written by Ian Dickinson <idickins@fore.com>.	The initial manual page was written by Swa Frantzen <Swa.Frantzen@Belgium.EU.net>.
       Thanks  also  to  the  following folks for ports, patches and comments: Mahesh Ramachandran <rr@eel.ufl.edu>, Chuck Swiger <chuck@its.com>,
       Sang-yong Suh <sysuh@kigam.re.kr>, Brad Dickey <bdickey@haverford.edu>, Taso N. Devetzis <devetzis@snet.net>,  Wei-Yeh  Lee  <weiyeh@colum-
       bia.edu>, Jeff Garzik <jeff.garzik@spinne.com>, and to all the other folks I met and worked with during my 10 years as a newsadmin.

SEE ALSO

       innwatch.ctl(5).

																	  INNDF(8)
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