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如何正确的给innodb表空间添加数据文件_MySQL

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Release: 2016-06-01 13:49:37
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重启MySQL时遇到下边错误

InnoDB: Error: data file /usr/local/mysql/data/ibdata1 is of a different size

InnoDB: 1152 pages (rounded down to MB)

InnoDB: than specified in the .cnf file 1216 pages!

找到原因是因为给mysql添加数据文件没有正确配置引起,查看一下当前数据文件的大小

l# ll -h /usr/local/mysql/data/

-rw-rw---- 1 mysql mysql 18M Mar 5 03:01 ibdata1

修改my.cnf

innodb_data_home_dir =

innodb_data_file_path = /usr/local/mysql/data/ibdata1:18M;/data2/ibdata2:50M:auto extend

这里要特别指出

  1. linux下查看到数据文件是多大就要填写多大,填大填小都不行。
  2. /data2/ibdata2这个目录/data2需要提前建立,但是ibdata2这个文件不可以存在

随后重启就无提示错误就ok了。

# /etc/init.d/mysql.server stop

Shutting down MySQL

... *

# /etc/init.d/mysql.server start

Starting MySQL

... *

--EOF--

innodb作者:Buro#79xxd出处:http://www.cnblogs.com/buro79xxd/文章版权归本人所有,欢迎转载,但未经作者同意必须保留此段声明,且在文章页面明显位置给出原文连接,否则保留追究法律责任的权利。bitsCN.com
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