ib_logfile0 and ib_logfile1 got deleted

After restoring from a percona-xtrabackup without a preparation step, ib_logfile0 and ib_logfile1 were not present in the restore data. Therefor during startup the following message is observed: 140223 04:10:24 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended 140223 04:46:51 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql 140223 4:46:51 InnoDB: Initializing buffer pool, size = 18.0G 140223 4:46:54 InnoDB: Completed initialization of buffer pool 140223 4:46:54 InnoDB: Log file ./ib_logfile0 did not exist: new to be created InnoDB: Setting log file ./ib_logfile0 size to 5 MB InnoDB: Database physically writes the file full: wait... 140223 4:46:54 InnoDB: Log file ./ib_logfile1 did not exist: new to be created InnoDB: Setting log file ./ib_logfile1 size to 5 MB InnoDB: Database physically writes the file full: wait... InnoDB: The log sequence number in ibdata files does not match InnoDB: the log sequence number in the ib_logfiles! 140223 4:46:54 InnoDB: Database was not shut down normally! InnoDB: Starting crash recovery. InnoDB: Reading tablespace information from the .ibd files... InnoDB: Restoring possible half-written data pages from the doublewrite InnoDB: buffer... 140223 4:46:55 InnoDB: Error: page 7 log sequence number 45 3368182252 InnoDB: is in the future! Current system log sequence number 42 975484940. InnoDB: Your database may be corrupt or you may have copied the InnoDB InnoDB: tablespace but not the InnoDB log files. See InnoDB: http://dev.mysql.com/doc/refman/5.1/en/forcing-innodb-recovery.html How can I fix this?