topic Re: monitoring file system capacity in Operating System - HP-UX

monitoring file system capacity

Jdamian — Wed, 28 Feb 2001 16:39:58 GMT

Sometimes my /var file system becomes full.

I need to get warnings in system log when a file system is nearly full.

Is there any program to get that ?

Thanx in advans.

P.D: monitoring system tables as "nproc" and "nfile" is also desired

Re: monitoring file system capacity

Victor BERRIDGE — Wed, 28 Feb 2001 16:48:58 GMT

Hi,
What about using Big brother, its a freeware (I think) that does just the job and can do much more, look at:
http://bb4.com/

I use it and am happy about it...

All the best
Victor

Re: monitoring file system capacity

Patrick Wallek — Wed, 28 Feb 2001 16:53:26 GMT

Here is a little shell script that uses awk to check for any filesystem that is at 99% or above and then e-mails the appropriate info.

#!/bin/ksh
H=`hostname`
fs=`bdf -l | awk '
/%/ && ($6 !~ /cdrom/ ) && ($1 !~ /Filesystem/ ){
if ( $1 > 0 )
{ split($4,perc,"%"); if (perc[1]>=99) {print h": " $5 " at " $4} }
else
{ split($5,perc,"%"); if (perc[1]>=99) {print h": " $6 " at "$5} }
}
' h=$H`
if [[ ! -z $fs ]]
then
# echo $fs
/usr/bin/mailx -s "Disk problem" your_eamail@address.com < $fs
fi

Re: monitoring file system capacity

Robert Smith_1 — Wed, 28 Feb 2001 16:57:52 GMT

How about this script?
bdf | grep -iv filesystem | awk '{print $6 " "$5}' | while
read LINE; do
PERC=`echo $LINE | cut -d "%" -f1 | awk '{ print $2 }'`
if [[ $PERC -gt 95 ]]; then
echo "${PERC}% ALERT!" | mailx -s "${LINE} on `hostname` is almost full" root
fi
done

exit

Hope This Helps!

Rob

Re: monitoring file system capacity

Chris B — Wed, 28 Feb 2001 17:34:00 GMT

If you want to monitor nproc and nfile in real time, you may use glance in char mode, hit 't' will show you what is configured and what is current usage.
If you keep running glance, you may get alarm history if your hitting limits.
I hope this helps you.

Re: monitoring file system capacity

Tom Danzig — Thu, 01 Mar 2001 01:44:40 GMT

Here's an snippit from a script I run daily. After the function, list the mounts you want to check and the percentage above which you want it to warn at:

#!/usr/bin/sh

# Disk utilization function
disk_utilization()
{
echo $1 | awk '{x=sprintf("Checking size of %s ............................. ",$0);printf("%18s ",substr(x,1,45))}'
sz=`bdf | awk -v var=$1 '{if($NF == var){x=sprintf("%d",substr($5,1,(index($5,"%")-1)))}}END{printf("%d",x)}' `
if [[ $sz -ge $2 ]] then
echo "[NG] - ${sz}% Limit = ${2}%"
else
echo "[OK] - ${sz}% Limit = ${2}%"
fi
}

# List disks to check here - disk_utilization <% full threshold>
disk_utilization /var 85
disk_utilization /usr 80
disk_utilization /home 50