CREATE TABLE t1(a INT PRIMARY KEY) ENGINE=InnoDB; BEGIN; INSERT INTO t1 VALUES (42); # Kill and restart: --innodb-log-file-size=6M SELECT * FROM t1; a INSERT INTO t1 VALUES (42); BEGIN; DELETE FROM t1; # Kill and restart: --innodb-log-files-in-group=3 --innodb-log-file-size=5M SELECT * FROM t1; a 42 INSERT INTO t1 VALUES (123); BEGIN; DELETE FROM t1; # Kill the server SELECT * FROM t1; ERROR 42000: Unknown storage engine 'InnoDB' FOUND /syntax error in innodb_log_group_home_dir/ in mysqld.1.err SELECT * FROM t1; ERROR 42000: Unknown storage engine 'InnoDB' FOUND /InnoDB: Starting an apply batch of log records/ in mysqld.1.err SELECT * FROM t1; ERROR 42000: Unknown storage engine 'InnoDB' FOUND /InnoDB: Starting an apply batch of log records/ in mysqld.1.err SELECT * FROM t1; ERROR 42000: Unknown storage engine 'InnoDB' FOUND /InnoDB: innodb_read_only prevents crash recovery/ in mysqld.1.err SELECT * FROM t1; ERROR 42000: Unknown storage engine 'InnoDB' FOUND /InnoDB: Starting an apply batch of log records/ in mysqld.1.err FOUND /InnoDB: Resizing redo log from 3\*[0-9]+ to 2\*[0-9]+ pages/ in mysqld.1.err SELECT * FROM t1; ERROR 42000: Unknown storage engine 'InnoDB' FOUND /InnoDB: Starting an apply batch of log records/ in mysqld.1.err FOUND /InnoDB: Resizing redo log from 3\*[0-9]+ to 2\*[0-9]+ pages/ in mysqld.1.err SELECT * FROM t1; ERROR 42000: Unknown storage engine 'InnoDB' FOUND /InnoDB: innodb_read_only prevents crash recovery/ in mysqld.1.err SELECT * FROM t1; ERROR 42000: Unknown storage engine 'InnoDB' FOUND /InnoDB: Starting an apply batch of log records/ in mysqld.1.err FOUND /InnoDB: Resizing redo log from 3\*[0-9]+ to 2\*[0-9]+ pages/ in mysqld.1.err SELECT * FROM t1; ERROR 42000: Unknown storage engine 'InnoDB' SELECT * FROM t1; ERROR 42000: Unknown storage engine 'InnoDB' FOUND /InnoDB: Cannot create log files in read-only mode/ in mysqld.1.err SELECT * FROM t1; ERROR 42000: Unknown storage engine 'InnoDB' FOUND /InnoDB: Setting log file .*ib_logfile[0-9]+ size to/ in mysqld.1.err SELECT * FROM t1; ERROR 42000: Unknown storage engine 'InnoDB' FOUND /InnoDB: Setting log file .*ib_logfile[0-9]+ size to/ in mysqld.1.err SELECT * FROM t1; ERROR 42000: Unknown storage engine 'InnoDB' FOUND /InnoDB: Only one log file found/ in mysqld.1.err SELECT * FROM t1; ERROR 42000: Unknown storage engine 'InnoDB' FOUND /InnoDB: Log file .*ib_logfile0 size 7 is not a multiple of innodb_page_size/ in mysqld.1.err SELECT * FROM t1; ERROR 42000: Unknown storage engine 'InnoDB' FOUND /InnoDB: Log file .*ib_logfile1 is of different size 1048576 bytes than other log files/ in mysqld.1.err SELECT * FROM t1; ERROR 42000: Unknown storage engine 'InnoDB' FOUND /InnoDB: Setting log file .*ib_logfile[0-9]+ size to/ in mysqld.1.err FOUND /InnoDB: Renaming log file .*ib_logfile101 to .*ib_logfile0/ in mysqld.1.err SELECT * FROM t1; a 42 123 DROP TABLE t1;