Innodb Error Log File
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Set Global Innodb_fast_shutdown=0
Anybody can answer The best answers are voted up and rise to the top InnoDB: Error: log file ./ib_logfile0 is of different size up vote 75 down vote favorite 21 I just added the following lines in /etc/mysql/my.cnf after I converted one database to use InnoDB engine. innodb_buffer_pool_size = 2560M innodb_log_file_size = 256M innodb_log_buffer_size = 8M innodb_flush_log_at_trx_commit = 2 innodb_thread_concurrency = 16 innodb_flush_method = [error] fatal error: can't open and lock privilege tables: table 'mysql.host' doesn't exist O_DIRECT But it raise "ERROR 2013 (HY000) at line 2: Lost connection to MySQL server during query" error restarting mysqld. And mysql error log shows the following InnoDB: Error: log file ./ib_logfile0 is of different size 0 5242880 bytes InnoDB: than specified in the .cnf file 0 268435456 bytes! 100118 20:52:52 [ERROR] Plugin 'InnoDB' init function returned error. 100118 20:52:52 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed. 100118 20:52:52 [ERROR] Unknown/unsupported table type: InnoDB 100118 20:52:52 [ERROR] Aborting So I commented out this line # innodb_log_file_size = 256M And it restarted mysql successfully. I wonder what's the "5242880 bytes of log file" showed in mysql error? It's the first database on InnoDB engine on this server so when and where is that log file created? In this case, how can I enable innodb_log_file_size directive in my.cnf? EDIT I tried to delete /var/lib/mysql/ib_logfile0 and restart mysqld but it still failed. It now shows the following in error log. 100118 21:27:11 InnoDB: Log file ./ib_logfile0 did not exist: new to be created InnoDB: Setting log file ./ib_logfile0 size to 256 MB InnoDB: Database physically writes the file full: wait...
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[error] Plugin 'innodb' Init Function Returned Error.
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Innodb Log File Location
database professionals who wish to improve their database skills and learn from others in the community. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can http://serverfault.com/questions/104014/innodb-error-log-file-ib-logfile0-is-of-different-size answer The best answers are voted up and rise to the top mysql wont start after increasing innodb_buffer_pool_size and innodb_log_file_size up vote 13 down vote favorite 9 I am following this solution here http://stackoverflow.com/questions/3927690/howto-clean-a-mysql-innodb-storage-engine/4056261#comment14041132_4056261 and tried to increase my innodb_buffer_pool_size to 4G and later 1G (also 1024M) in addition to the log file size, but mysql wont start with those values. If I put it back to 512M mysql starts fine. How http://dba.stackexchange.com/questions/18495/mysql-wont-start-after-increasing-innodb-buffer-pool-size-and-innodb-log-file-si can I solve this? My server is a 16GB one, and according to Webmin sysinfo: Real memory 15.62 GB total, 3.13 GB used Meanwhile I found the error log as well: 120529 10:29:32 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended 120529 10:29:33 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql 120529 10:29:33 [Note] Plugin 'FEDERATED' is disabled. 120529 10:29:33 InnoDB: The InnoDB memory heap is disabled 120529 10:29:33 InnoDB: Mutexes and rw_locks use GCC atomic builtins 120529 10:29:33 InnoDB: Compressed tables use zlib 1.2.3 120529 10:29:33 InnoDB: Using Linux native AIO 120529 10:29:33 InnoDB: Initializing buffer pool, size = 1.0G 120529 10:29:33 InnoDB: Completed initialization of buffer pool InnoDB: Error: log file ./ib_logfile0 is of different size 0 134217728 bytes InnoDB: than specified in the .cnf file 0 268435456 bytes! mysql innodb mysql-5.5 share|improve this question edited Jul 29 at 9:50 7ochem 1115 asked May 29 '12 at 8:45 giorgio79 49751118 Can you please share the error logs for that... –Abdul Manaf May 29 '12 at 8:49 Thanks, I managed to find it. I think this will be easier. I should have also added initially that I increased the log file size as well to match the increase in the buffer pool (I did add this info now). –giorgio7
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here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Issue changing innodb_log_file_size up vote 7 down vote favorite I haven't done much tweaking in the past so this might be relatively easy however I am running into issues. This is what I do: Stop MySQL Edit my.cnf (changing innodb_log_file_size) Remove ib_logfile0/1 Start MySQL Starts fine however all InnoDB tables have the .frm file is invalid error, the status shows InnoDB engine is disabled so I obviously go back, remove the change and everything works again. I was able to change every other variable I've tried but I can't seem to find out why InnoDB fails to start even after removing the log files. Am I missing something? Thanks. Edit: Pasting of the log below - looks like it still seems to find the log file even though they are not there? Shutdown: 090813 10:00:14 InnoDB: Starting shutdown... 090813 10:00:17 InnoDB: Shutdown completed; log sequence number 0 739268981 090813 10:00:17 [Note] /usr/sbin/mysqld: Shutdown complete Startup after making the changes: InnoDB: Error: log file ./ib_logfile0 is of different size 0 5242880 bytes InnoDB: than specified in the .cnf file 0 268435456 bytes! 090813 11:00:18 [Warning] 'user' entry 'root@XXXXX.com' ignored in --skip-name-resolve mode. 090813 11:00:18 [Note] /usr/sbin/mysqld: ready for connections. Ve