mysql_dump_name='all_databases'

function mysql_xtra_backup() {
        local err=0; local dir=$1;
        which innobackupex > /dev/null 2>&1 || { show_error "No innobackupex installed!" "$FUNCNAME"; return 1; }
        test -f "/root/.my.cnf" || { show_error "No /root/.my.cnf file with access credintials!" "$FUNCNAME"; return 1; }
        test $# -eq 1 || { show_error "Wrong usage of the function! Args=$@" "$FUNCNAME"; return 1; }
        test -d $dir/$mysql_dump_name || mkdir -p $dir/$mysql_dump_name
        show_notice "Dumping database $db ..." "$FUNCNAME"
        {
                innobackupex --no-timestamp --rsync $dir/$mysql_dump_name && \
                innobackupex --no-timestamp --rsync --apply-log $dir/$mysql_dump_name && \
                nice -n 19 ionice -c 3 tar -cf $dir/$mysql_dump_name.tar.$compress_ext --use-compress-prog="$compress_prog" $tar_opts $dir/$mysql_dump_name && \
                test -d $dir/$mysql_dump_name && rm -rf $dir/$mysql_dump_name
        } || { show_error "Error on dump databuses with innobackupex" "$FUNCNAME"; local err=1; }
        return $err;
}