Need a shell script for FS maintenance Post: 302364605

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Top Forums Shell Programming and Scripting Need a shell script for FS maintenance Post 302364605 by nibbsbitt on Friday 23rd of October 2009 01:43:34 PM

10-23-2009

Registered User

Need a shell script for FS maintenance

Hi, I am not really good at shell scripting. I usually cut and paste from other scripts and customize it to do what I need. I am running Oracle 10g on AIX 5.3 machine and I need a script that monitors a filesystem, I would say at least every hour by cron, and if the filesystem hits above 80% full then I want the script to start deleting the oldest files in the filesystem first until the filesystem is back down to 50% full.

I have scripts that monitor the filesystem, but the whole 80 to 50% thing is where I am stumped. I have this script which I use to check the FS size and then email me when it gets past a certain percentage, was hoping I could modify that one maybe:

Code:

#!/bin/sh

. /proddb/u01/app/oracle/dbtools/dba_email_list.sh
#echo $DBA_EMAIL

S=/proddb/u01/app/oracle/dbtools/
cat /dev/null > $S/filesystem%
df -k | egrep '/oraaudit' | awk '$4 ~ /^96%/ || $4 ~ /^97%/ || $4 ~ /^98%/ || $4 ~ /^99%/ || $4 ~ /^100%/' > $S/filesystem%
egrep -s "/" $S/filesystem%
case $? in
    0)
       mail -s  "Account Cust - file system above threshold on `hostname`" dbaemail@whatever.com < $S/filesystem%;;
    *)
       ;;

esac

. Anyone able to assist me? I would really appreciate it. Thanks.

Jim

My guess would be that the part where I need to do the rm -rf to start deleting would go right where the mail part is.

Last edited by zaxxon; 03-29-2010 at 04:17 AM.. Reason: code tags

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LEARN ABOUT OSF1

uudemon.cleanu

uudemon(4)						     Kernel Interfaces Manual							uudemon(4)

NAME

       uudemon.admin,  uudemon.cleanu,	uudemon.hour,  uudemon.poll  -	Administrative shell scripts for polling remote systems, cleaning up spool
       directories, reporting status to the system administrator, and routine invocations of the uuxqt and uusched daemons

SYNOPSIS

       These shell scripts reside in the following directory:
	  /usr/lib/uucp

DESCRIPTION

       All the scripts can be run from the command line or can be run automatically by the cron daemon. To automatically run the  scripts,  remove
       the comment character (#) from the beginning of the relevant line in the /var/spool/cron/crontabs/uucp file.

       This  script  reports  status  to  the system administrator. It issues the uustat command to find out the status of uucp jobs. It mails the
       results to the uucp login ID. The script may be modified to send mail to any login ID such as the uucp administrative login ID  (uucpa)	or
       root.  This script cleans up the /var/spool/uucp and /var/spool/uucppublic directories by running the uucleanup command. The uucleanup com-
       mand is run with the following parameters: -C7, -D7, X2, -o2, -W1.  This script runs the uusched and uuxqt daemons in the background.  This
       script  polls  the  systems  listed  in	the  /usr/lib/uucp/Poll file.  The uudemon.poll script should be scheduled before the uudemon.hour
       script. This allows uudemon.poll to create any command files before cron runs the uudemon.hour script.

FILES

       Contains the uudemon.admin, uudemon.cleanu, uudemon.hour and uudemon.poll files.  Contains the uucp file.

RELATED INFORMATION

       Commands: cron(8), uucleanup(8), uusched(8), uuxqt(1)

       Files: /usr/lib/uucp delim off

																	uudemon(4)