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Help needed to backup files.

 
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Top Forums UNIX for Dummies Questions & Answers Help needed to backup files.
# 1  
Old 04-09-2010
Help needed to backup files.
Hi guys ,

I m writing a script which will backup a particular folder and its content to a different location.

this script needs to be run every weekend.

But my problem is how would i apply logic such that the previous backup folder is only deleted if and only if the current backup is successful.
code written by me.
PHP Code:
cp /OVS/running_pool/$VM_Guest/*.* /mnt/ntserver/$VM_Guest/

if [ "$?" -ne "0" ]; then
  echo "Problem in copying the data"
fi 
Last edited by pinga123; 04-09-2010 at 08:20 AM..
# 2  
Old 04-09-2010
First take a copy of existing backup in a temp folder.
If it is successfull then do the backup. If the backup fails then restore the old back up from the temp directory.

Here is a sample . You can modify it as per your requirement.
Code:
mkdir /mnt/ntserver/$VM_Guest/temp

cp /mnt/ntserver/$VM_Guest/*.* /mnt/ntserver/$VM_Guest/temp/

if [ "$?" -ne "0" ]; then 
  echo "The old back up copied procced with new" 
else
exit
fi  

cp /OVS/running_pool/$VM_Guest/*.* /mnt/ntserver/$VM_Guest/

if [ "$?" -ne "0" ]; then 
  echo "Problem in copying the data resore the old"

 cp /mnt/ntserver/$VM_Guest/temp/*.* /mnt/ntserver/$VM_Guest/
else 
echo " Back up Done without issue
fi

 
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