136 lines
6.1 KiB
Plaintext
136 lines
6.1 KiB
Plaintext
include/master-slave.inc
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Warnings:
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Note #### Sending passwords in plain text without SSL/TLS is extremely insecure.
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Note #### Storing MySQL user name or password information in the master info repository is not secure and is therefore not recommended. Please consider using the USER and PASSWORD connection options for START SLAVE; see the 'START SLAVE Syntax' in the MySQL Manual for more information.
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[connection master]
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call mtr.add_suppression('Slave can not handle replication events with the checksum that master is configured to log');
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call mtr.add_suppression('Replication event checksum verification failed');
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call mtr.add_suppression('Relay log write failure: could not queue event from master');
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call mtr.add_suppression('Event crc check failed! Most likely there is event corruption');
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call mtr.add_suppression('Slave SQL for channel \'\': Error initializing relay log position: I/O error reading event at position .*, Error_code: MY-013117');
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call mtr.add_suppression('Master is configured to log replication events with checksum, but will not send such events to slaves that cannot process');
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set @master_save_binlog_checksum= @@global.binlog_checksum;
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set @save_master_verify_checksum = @@global.master_verify_checksum;
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select @@global.binlog_checksum as 'must be CRC32 because of the command line option';
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must be CRC32 because of the command line option
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CRC32
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select @@session.binlog_checksum as 'no session var';
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ERROR HY000: Variable 'binlog_checksum' is a GLOBAL variable
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select @@global.master_verify_checksum as 'must be zero because of default';
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must be zero because of default
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0
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select @@session.master_verify_checksum as 'no session var';
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ERROR HY000: Variable 'master_verify_checksum' is a GLOBAL variable
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set @slave_save_binlog_checksum= @@global.binlog_checksum;
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set @save_slave_sql_verify_checksum = @@global.slave_sql_verify_checksum;
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select @@global.slave_sql_verify_checksum as 'must be one because of default';
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must be one because of default
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1
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select @@session.slave_sql_verify_checksum as 'no session var';
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ERROR HY000: Variable 'slave_sql_verify_checksum' is a GLOBAL variable
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show binary logs;
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Log_name File_size Encrypted
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master-bin.000001 # #
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set @@global.binlog_checksum = NONE;
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*** must be rotations seen ***
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show binary logs;
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Log_name File_size Encrypted
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master-bin.000001 # #
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master-bin.000002 # #
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set @@global.binlog_checksum = default;
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set @@global.binlog_checksum = CRC32;
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set @@global.binlog_checksum = CRC32;
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set @@global.master_verify_checksum = 0;
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set @@global.master_verify_checksum = default;
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set @@global.binlog_checksum = ADLER32;
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ERROR 42000: Variable 'binlog_checksum' can't be set to the value of 'ADLER32'
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set @@global.master_verify_checksum = 2;
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ERROR 42000: Variable 'master_verify_checksum' can't be set to the value of '2'
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set @@global.slave_sql_verify_checksum = 0;
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set @@global.slave_sql_verify_checksum = default;
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set @@global.slave_sql_verify_checksum = 2;
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ERROR 42000: Variable 'slave_sql_verify_checksum' can't be set to the value of '2'
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set @@global.binlog_checksum = NONE;
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create table t1 (a int) engine=ndb;
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flush logs;
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flush logs;
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flush logs;
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flush logs;
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flush logs;
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flush logs;
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select count(*) as zero from t1;
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zero
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0
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include/stop_slave.inc
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set @@global.binlog_checksum = CRC32;
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insert into t1 values (1) /* will not be applied on slave due to simulation */;
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set @@global.debug='d,simulate_slave_unaware_checksum';
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start slave;
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include/wait_for_slave_io_error.inc [errno=13114]
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Last_IO_Error = 'Got fatal error 1236 from master when reading data from binary log: 'Slave can not handle replication events with the checksum that master is configured to log; the first event 'master-bin.000009' at XXX, the last event read from './master-bin.000010' at XXX, the last byte read from './master-bin.000010' at XXX.''
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select count(*) as zero from t1;
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zero
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0
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include/stop_slave.inc
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set @@global.debug='';
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include/start_slave.inc
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set @@global.master_verify_checksum = 1;
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set @@session.debug='d,simulate_checksum_test_failure';
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show binlog events;
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ERROR HY000: Error when executing command SHOW BINLOG EVENTS: Event crc check failed! Most likely there is event corruption.
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set @@session.debug='';
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set @@global.master_verify_checksum = default;
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include/stop_slave.inc
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create table t2 (a int) engine=ndb;
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set @@global.debug='d,simulate_checksum_test_failure';
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start slave io_thread;
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include/wait_for_slave_io_error.inc [errno=13122, 13115]
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set @@global.debug='';
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start slave io_thread;
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include/sync_slave_io_with_master.inc
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set @@global.slave_sql_verify_checksum = 1;
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set @@global.debug='d,simulate_checksum_test_failure';
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start slave sql_thread;
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include/wait_for_slave_sql_error.inc [errno=13117]
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Last_SQL_Error = 'Event crc check failed! Most likely there is event corruption.'
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include/stop_slave.inc
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set @@global.debug='';
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include/start_slave.inc
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select count(*) as 'must be zero' from t2;
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must be zero
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0
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stop slave;
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reset slave;
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reset master;
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set @@global.binlog_checksum= IF(floor((rand()*1000)%2), "CRC32", "NONE");
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flush logs;
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set @@global.binlog_checksum= CRC32;
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reset master;
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flush logs;
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create table t3 (a int, b char(5)) engine=ndb;
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include/start_slave.inc
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select count(*) as 'must be zero' from t3;
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must be zero
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0
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include/stop_slave.inc
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change master to master_host='127.0.0.1',master_port=MASTER_PORT, master_user='root';
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Warnings:
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Note #### Sending passwords in plain text without SSL/TLS is extremely insecure.
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Note #### Storing MySQL user name or password information in the master info repository is not secure and is therefore not recommended. Please consider using the USER and PASSWORD connection options for START SLAVE; see the 'START SLAVE Syntax' in the MySQL Manual for more information.
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flush logs;
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reset master;
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insert into t3 value (1, @@global.binlog_checksum);
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include/start_slave.inc
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flush logs;
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select count(*) as 'must be one' from t3;
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must be one
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1
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set @@global.binlog_checksum= IF(floor((rand()*1000)%2), "CRC32", "NONE");
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insert into t3 value (1, @@global.binlog_checksum);
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drop table t1, t2, t3;
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set @@global.binlog_checksum = @master_save_binlog_checksum;
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set @@global.master_verify_checksum = @save_master_verify_checksum;
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set @@global.binlog_checksum = @slave_save_binlog_checksum;
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set @@global.slave_sql_verify_checksum = @save_slave_sql_verify_checksum;
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include/rpl_end.inc
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