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Shell Programming and Scripting

Space storage shell script issue!

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# 1  
Old 08-23-2011
Space storage shell script issue!
Hi All,

Linux 86x64bits Red Hat Linux O/S

Could someone please check and let me know if the shell script has any syntax error as it's not sending mails

Shell script:
Code:
cat dataspace.sh

#!/bin/bash

export DBALIST="xyz@abc.com"

export data_capacity

df -k /oradata > dfk.result
data_capacity=`grep -v File dfk.result | awk -F" " '{ print $4 }' | cut -c 1-3`
if [[ $data_capacity > 30% ]]
then
     mailx -s "Filesystem /oradata is ${data_capacity} filled" $DBALIST < dfk.result
fi

Thanks for your time!

Regards,

a1_win

Moderator's Comments:
Mod Comment Please use code tags, thanks.
Last edited by zaxxon; 08-23-2011 at 04:55 AM.. Reason: code tags
# 2  
Old 08-23-2011
If you'd had a syntax error, the shell or tools would have told you. Use set -x as second command after the shebang (#!...) and see if there is some value or condition not met.
# 3  
Old 08-23-2011
Code:
 
echo $data_capacity
if  [ "$data_capacity" -gt "30" ]
then
mailx -s "Filesystem /oradata is ${data_capacity} filled" $DBALIST < dfk.result
else
echo "I am in else part"
fi

# 4  
Old 08-23-2011
Space storage shell script issue!
Hi,

The output is coming as:

Filesystem /oradata is :
39% -> in the next line

The output should have been like:

Filesystem /oradata is:39% filled

Thanks
a1_win
# 5  
Old 08-23-2011
Can you please post sample df -k output from your system here. ( the one with /oradata)?

Else simulate the below code for your requirement.

Code:
 
df -k /stand
 
/stand                 (/dev/vg00/lvol1       ) :   269032 total allocated Kb
                                                     38864 free allocated Kb
                                                    230168 used allocated Kb
                                                        85 % allocation used

TEST SSYTEM> data_capacity=`df -k /stand | grep -v Kb | awk '{ print $1 }'`
 
TEST SSYTEM>[ $data_capacity -ge 80 ] && mailx  -s "Filesystem /oradata is ${data_capacity}%filled" $DBALIST

Last edited by panyam; 08-23-2011 at 06:20 AM..
# 6  
Old 08-23-2011
Space storage shell script issue!
dfk.result output:

cat dfk.result

Filesystem 1K-blocks Used Available Use% Mounted on
abc:/vol/xyz_oradata
471859200 180505120 291354080 39% /oradata
# 7  
Old 08-23-2011
Code:
size=$(nawk '{disk_size=$4;}END{print substr(disk_size,1,length(disk_size)-1)}' dfk.result) && [ "${size}" -gt "30" ] && mail -s "Filesystem /oradata is ${size} filled" $DBALIST < dfk.result
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