CREATE TABLE t1(a INT PRIMARY KEY) ENGINE=InnoDB;
# restart: --innodb-thread-concurrency=1 --innodb-log-file-size=1m --innodb-log-files-in-group=2
SELECT * FROM INFORMATION_SCHEMA.ENGINES
WHERE engine = 'innodb'
AND support IN ('YES', 'DEFAULT', 'ENABLED');
ENGINE	SUPPORT	COMMENT	TRANSACTIONS	XA	SAVEPOINTS
FOUND 1 /InnoDB: Log file .*ib_logfile1 is of different size .* bytes than other log files 0 bytes!/ in mysqld.1.err
# restart: --innodb-thread-concurrency=1 --innodb-log-file-size=1m --innodb-log-files-in-group=2
CHECK TABLE t1;
Table	Op	Msg_type	Msg_text
test.t1	check	status	OK
# restart: --innodb-thread-concurrency=100 --innodb-log-file-size=10M --innodb-log-files-in-group=2
BEGIN;
INSERT INTO t1 VALUES (42);
# restart: --innodb-log-file-size=6M
SELECT * FROM t1;
a
INSERT INTO t1 VALUES (42);
BEGIN;
DELETE FROM t1;
# restart: --innodb-log-files-in-group=3 --innodb-log-file-size=5M
SELECT * FROM t1;
a
42
INSERT INTO t1 VALUES (0),(123);
BEGIN;
DELETE FROM t1 WHERE a>0;
# Persist the state of the above incomplete transaction by
# causing a redo log write for another transaction.
connect con1, localhost, root;
SET GLOBAL innodb_flush_log_at_trx_commit=1;
DELETE FROM t1 WHERE a=0;
disconnect con1;
connection default;
# Kill the server
# restart: --innodb-log-group-home-dir=foo\;bar
SELECT * FROM t1;
ERROR 42000: Unknown storage engine 'InnoDB'
FOUND 1 /syntax error in innodb_log_group_home_dir/ in mysqld.1.err
# restart: --debug=d,innodb_log_abort_1
SELECT * FROM t1;
ERROR 42000: Unknown storage engine 'InnoDB'
FOUND 1 /InnoDB: Starting crash recovery from checkpoint LSN=.*/ in mysqld.1.err
# restart: --debug=d,innodb_log_abort_3
SELECT * FROM t1;
ERROR 42000: Unknown storage engine 'InnoDB'
# restart: --innodb-read-only
SELECT * FROM t1;
ERROR 42000: Unknown storage engine 'InnoDB'
FOUND 1 /InnoDB: innodb_read_only prevents crash recovery/ in mysqld.1.err
# restart: --debug=d,innodb_log_abort_4
SELECT * FROM t1;
ERROR 42000: Unknown storage engine 'InnoDB'
FOUND 2 /redo log from 3\*[0-9]+ to 2\*[0-9]+ bytes/ in mysqld.1.err
# restart: --debug=d,innodb_log_abort_5
SELECT * FROM t1;
ERROR 42000: Unknown storage engine 'InnoDB'
FOUND 3 /redo log from 3\*[0-9]+ to 2\*[0-9]+ bytes/ in mysqld.1.err
# restart: --innodb-read-only
SELECT * FROM t1;
ERROR 42000: Unknown storage engine 'InnoDB'
FOUND 2 /InnoDB: innodb_read_only prevents crash recovery/ in mysqld.1.err
# restart: --debug=d,innodb_log_abort_6
SELECT * FROM t1;
ERROR 42000: Unknown storage engine 'InnoDB'
FOUND 4 /redo log from 3\*[0-9]+ to 2\*[0-9]+ bytes/ in mysqld.1.err
# restart: --debug=d,innodb_log_abort_7
SELECT * FROM t1;
ERROR 42000: Unknown storage engine 'InnoDB'
# restart: --innodb-read-only
SELECT * FROM t1;
ERROR 42000: Unknown storage engine 'InnoDB'
FOUND 1 /InnoDB: Cannot create log files in read-only mode/ in mysqld.1.err
# restart: --debug=d,innodb_log_abort_8
SELECT * FROM t1;
ERROR 42000: Unknown storage engine 'InnoDB'
FOUND 1 /InnoDB: Setting log file .*ib_logfile[0-9]+ size to/ in mysqld.1.err
# restart: --debug=d,innodb_log_abort_9
SELECT * FROM t1;
ERROR 42000: Unknown storage engine 'InnoDB'
FOUND 1 /InnoDB: Setting log file .*ib_logfile[0-9]+ size to/ in mysqld.1.err
# restart: --debug=d,innodb_log_abort_9
SELECT * FROM t1;
ERROR 42000: Unknown storage engine 'InnoDB'
FOUND 1 /InnoDB: Log file .*ib_logfile0 size 7 is not a multiple of 512 bytes/ in mysqld.1.err
# restart: --debug=d,innodb_log_abort_9
SELECT * FROM t1;
ERROR 42000: Unknown storage engine 'InnoDB'
FOUND 1 /InnoDB: Log file .*ib_logfile1 is of different size 1048576 bytes than other log files/ in mysqld.1.err
# restart: --debug=d,innodb_log_abort_10
SELECT * FROM t1;
ERROR 42000: Unknown storage engine 'InnoDB'
FOUND 1 /InnoDB: Setting log file .*ib_logfile[0-9]+ size to/ in mysqld.1.err
FOUND 1 /InnoDB: Renaming log file .*ib_logfile101 to .*ib_logfile0/ in mysqld.1.err
# restart
SELECT * FROM t1;
a
42
123
DROP TABLE t1;