Script to clear filesystem Post: 302997182

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Operating Systems HP-UX Script to clear filesystem Post 302997182 by anaigini45 on Tuesday 9th of May 2017 06:51:10 AM

05-09-2017

Registered User

Script to clear filesystem

Hi,

I have created a script to clear up the /var filesystem once it reaches > 90%.
This is part of the script :

Code:

#!/bin/bash

DIR = ./adm
DIR2=./adm/sw
DIR3 = ./spool/mqueue
DIR4 = ./adm/syslog
DIR5 = ./adm/sulog
DIR6 = ./tmp
F1 = ./tmp/dead.letter
F2 = ./adm/wtmps
file1 = dead.letter
file2 = wtmps

dir=`du -x | sort -rn | head -20`
cd /var
for i in $dir;
do
	if [ -d "$DIR1" ]; then
		cd "$DIR1"
			if [ -f "$file2" ]; then
			 cat /dev/null > "$file2"
	elif [ -d "$DIR2" ]; then
		tar -cvf /temp/admsw.arch "$DIR2";
		rm -rf "$DIR2"
	elif [ -d "$DIR3" ]; then
		find "$DIR3" -mtime +100 -exec rm {} \;			
	elif [ -d "$DIR4" ]; then

	elif [ -d "$DIR5" ]; then	
		
	elif [ -d "$DIR6" ]; then
		cd "$DIR6"
			if [ -f "$file1" ]; then
				rm -f "$file1"
 			fi
	elif [ -f "$F1" ]; then
		rm -f "$F1"
	elif [ -f "$F2" ]; then
		cat /dev/null > "$F2"
	fi
done

To test if this script works, I execute the command in the terminal (only to clear one of the filesystems above). However it seemed to run for an extremely long time. Therefore I sensed that something could be wrong with the statements I used - perhaps the for loop?

These are the steps I executed :

Code:

# cd /var
# dir=`du -x | sort -rn | head -20`
# DIR2=./adm/sw
#for i in $dir;
>do
>if [ -d "$DIR2" ]; then
>tar -cvf /temp/admsw.tar "$DIR2";
>fi
>done

Are the above steps correct? Why does the command run for a long time?

Last edited by anaigini45; 05-09-2017 at 07:58 AM..

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LEARN ABOUT OPENSOLARIS

strclean

strclean(1M)						  System Administration Commands					      strclean(1M)

NAME

       strclean - STREAMS error logger cleanup program

SYNOPSIS

       strclean [-a age] [-d logdir]

DESCRIPTION

       strclean  is used to clean up the STREAMS error logger directory on a regular basis (for example, by using cron. By default, all files with
       names matching error.* in  /var/adm/streams that have not been modified in the last three days are removed.

OPTIONS

       The following options are supported:

       -a age	    The maximum age in days for a log file can be changed using the -a option.

       -d logdir    A directory other than /var/adm/streams can be specified using the -d option.

EXAMPLES

       Example 1 A sample of using the strclean command.

       This example has the same result as running  strclean with no arguments:

	 example%  strclean -d /var/adm/streams -a 3

FILES

       /var/adm/streams/error.*

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       cron(1M), strerr(1M), attributes(5)

NOTES

       strclean is typically run from cron on a daily or weekly basis.

SunOS 5.11							    14 Sep 1992 						      strclean(1M)

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