启动MySQL时，我收到以下InnoDB错误 .
mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
[Warning] '--skip-locking' is deprecated and will be removed in a future release. Please use '--skip-external-locking' instead.
[Warning] 'record_buffer' is deprecated and will be removed in a future release. Please use 'read_buffer_size' instead.
[Note] Plugin 'FEDERATED' is disabled.
InnoDB: Initializing buffer pool, size = 8.0M
InnoDB: Completed initialization of buffer pool
log file ./ib_logfile0 is of different size 0 503316480 bytes
InnoDB: than specified in the .cnf file 0 5242880 bytes!
[ERROR] Plugin 'InnoDB' init function returned error.
[ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
[Note] Event Scheduler: Loaded 0 events
[Note] /usr/sbin/mysqld: ready for connections.
Version: '5.1.73' socket: '/var/lib/mysql/mysql.sock' port: 12485 MySQL Community Server (GPL)
[Note] /usr/sbin/mysqld: Normal shutdown
my.conf 的内容是：
[mysqld]
local-infile=0
port = 12485
#skip-innodb
#socket=/var/lib/mysql/mysql.sock
#innodb_log_file_size=503316480
#innodb_force_recovery=6
skip-locking
query_cache_limit=1M
query_cache_size=4M
query_cache_type=1
max_allowed_packet=800M
max_connections=2000
interactive_timeout=1000
wait_timeout=1000
connect_timeout=100
thread_cache_size=8
key_buffer=8M
join_buffer=1M
table_cache=100
record_buffer=1M
sort_buffer_size=2M
read_buffer_size=2M
max_connect_errors=200
thread_concurrency=1
myisam_sort_buffer_size=4M
server-id=1
[safe_mysqld]
err-log=/var/log/mysqld.log
open_files_limit=400
[mysqldump]
quick
[mysql]
#default-storage-engine=myisam
no-auto-rehash
#safe-updates
[isamchk]
key_buffer=4M
sort_buffer=4M
read_buffer=4M
write_buffer=4M
[myisamchk]
key_buffer=4M
sort_buffer=4M
read_buffer=4M
write_buffer=4M
1 回答
它不会启动，因为你改变了你的innodb日志文件大小的大小（或者在这种情况下;你评论它并且MySQL现在使用默认值） .
如果您的MySQL数据库中有数据，我建议您通过删除哈希标记将innodb日志文件大小值恢复为原始值：
另外，如果您真的对更改此设置感兴趣;知道它很棘手，因为你最终可能会丢失数据 . 如果您确实需要更改此设置，请在MySQL.com上按照本指南操作：http://dev.mysql.com/doc/refman/5.1/en/innodb-data-log-reconfiguration.html