mysql这个错误怎么解决呢
ERROR! MySQL server PID file could not be found!日志内容
2015-01-26 23:04:02 10653 InnoDB: auto-extending data file ./ibdata1 is of a different size 640 pages (rounded down to MB) than specified in the .cnf file: initial 768 pages, max 0 (relevant if non-zero) pages!
2015-01-26 23:04:02 10653 InnoDB: Could not open or create the system tablespace. If you tried to add new data files to the system tablespace, and it failed here, you should now edit innodb_data_file_path in my.cnf back to what it was, and remove the new ibdata files InnoDB created in this failed attempt. InnoDB only wrote those files full of zeros, but did not yet use them in any way. But be careful: do not remove old data files which contain your precious data!
2015-01-26 23:04:02 10653 Plugin 'InnoDB' init function returned error.
2015-01-26 23:04:02 10653 Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
2015-01-26 23:04:02 10653 Unknown/unsupported storage engine: InnoDB
2015-01-26 23:04:02 10653 Aborting
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