DUMP Configuration to Make Backup of a partition in Linux
DUMP is the utility to make our whole partition backup in unix and Linux. Main advantage of DUMP backup is to take incremental backup and it has been used for more than a decade.
Syntax
dump [options] [dump-file] [File-system or file or directories].
options
-[level] The dump level any integer
-f Make the backup in a specified file
-u Updates /etc/dumpdats file for the backup made
-v Displays Verbose Information
-e Exclude inode while making backup
Creating DUMP file
#dump -0uf /dump /dev/sda8
- dump – file name of the backup file and it is stored in /
- /dev/sda8 - Backup of sda8 is going to be taken
To view , when we had made dump backup
# vim /etc/dumpdates
To restore backup from DUMP file
We can able to see the DUMP file, because it is in encrypted format
Go to the directory, where you want to restore the data
#cd /office/data
data]#restore -rf /dump
