innobackupex backup

MySQL & MariaDB Percona XtraBackup
1

Hey.
Help write a script 3

  1. Create a full backup

  2. create an incremental backup

  3. Restore backup

  4. script
    #!/bin/bash

innobackupex --user=root --password=test --no-timestamp /root/backup/full/
innobackupex --apply-log /root/backup/full/
innobackupex --apply-log --redo-only /root/backup/full/

  1. script
    #!/bin/bash

innobackupex --incremental --user=root --no-timestamp --password=test /root/backup/inc --incremental-basedir=/root/backup/full
innobackupex --apply-log --incremental /root/backup/full --incremental-basedir=/root/backup/inc
innobackupex --apply-log --redo-only --incremental /root/backup/full --incremental-basedir=/root/backup/inc

  1. script
    #!/bin/bash
    cd /root/dumpdb/

service mysql stop
rm -rf /var/lib/mysql/*

innobackupex --defaults-file=/etc/mysql/my.cnf --copy-back /root/dumpdb
chown mysql:mysql -R /var/lib/mysql
chmod 770 -R /var/lib/mysql
service mysql start

rm -rf /root/dumpdb/*

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1 and 3 working

2 does not work. help me