Home | History | Annotate | Download | only in acct
      1 #!/sbin/sh
      2 #
      3 # CDDL HEADER START
      4 #
      5 # The contents of this file are subject to the terms of the
      6 # Common Development and Distribution License, Version 1.0 only
      7 # (the "License").  You may not use this file except in compliance
      8 # with the License.
      9 #
     10 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
     11 # or http://www.opensolaris.org/os/licensing.
     12 # See the License for the specific language governing permissions
     13 # and limitations under the License.
     14 #
     15 # When distributing Covered Code, include this CDDL HEADER in each
     16 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     17 # If applicable, add the following below this CDDL HEADER, with the
     18 # fields enclosed by brackets "[]" replaced with your own identifying
     19 # information: Portions Copyright [yyyy] [name of copyright owner]
     20 #
     21 # CDDL HEADER END
     22 #
     23 #	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
     24 #	  All Rights Reserved
     25 
     26 #
     27 # Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
     28 # Use is subject to license terms.
     29 #
     30 
     31 #ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.9	*/
     32 #       periodically check the size of /var/adm/pacct
     33 #       if over $1 blocks (default: maxi 200, mini 500), execute 
     34 #	turnacct switch
     35 
     36 _adm=/var/adm
     37 PATH=/usr/lib/acct:/usr/bin:/usr/sbin
     38 trap "rm -f /var/adm/cklock*; exit 0" 0 1 2 3 9 15
     39 export PATH
     40 
     41 if [ -f uts -a uts ]
     42 then
     43 	_max=${1-200}
     44 else
     45 	_max=${1-500}
     46 fi
     47 _MIN_BLKS=500
     48 cd /var/adm
     49 
     50 #	set up lock files to prevent simultaneous checking
     51 
     52 cp /dev/null cklock
     53 chmod 400 cklock
     54 ln cklock cklock1
     55 if test $? -ne 0 ; then exit 1; fi
     56 
     57 #	If there are less than $_MIN_BLKS free blocks left on the /var/adm
     58 #	file system, turn off the accounting (unless things improve
     59 #	the accounting wouldn't run anyway).  If something has
     60 #	returned the file system space, restart accounting.  This
     61 #	feature relies on the fact that ckpacct is kicked off by the
     62 #	cron at least once per hour.
     63 
     64 
     65 _blocks=`df $_adm | sed 's/.*://' | awk '{ print $1 }'`
     66 
     67 if [ "$_blocks" -lt $_MIN_BLKS   -a  -f /tmp/acctoff ];then
     68 	echo "ckpacct: $_adm still low on space ($_blocks blks); \c"
     69 	echo "acctg still off"
     70 	( echo "ckpacct: $_adm still low on space ($_blocks blks); \c"
     71 	echo "acctg still off" ) | mailx root adm
     72 	exit 1
     73 elif [ "$_blocks" -lt $_MIN_BLKS ];then
     74 	echo "ckpacct: $_adm too low on space ($_blocks blks); \c"
     75 	echo "turning acctg off"
     76 	( echo "ckpacct: $_adm too low on space ($_blocks blks); \c"
     77 	echo "turning acctg off" ) | mailx root adm
     78 	nulladm /tmp/acctoff
     79 	turnacct off
     80 	exit 1
     81 elif [ -f /tmp/acctoff ];then
     82 	echo "ckpacct: $_adm free space restored; turning acctg on"
     83 	echo "ckpacct: $_adm free space restored; turning acctg on" | \
     84 		mailx root adm
     85 	rm /tmp/acctoff
     86 	turnacct on
     87 fi
     88 
     89 _cursize="`du -s pacct | sed 's/	.*//'`"
     90 if [ "${_max}" -lt "${_cursize}" ]; then
     91 	turnacct switch
     92 fi
     93