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[MySQL生产环境数据恢复]innobackupex: fatal error: OR no 'datadir' option in group 'mysqld' in MySQL options
1 执行恢复命令
[xxx@xxx-c001db1 tmp]$ time /usr/bin/innobackupex --rsync --user="user" --password="#xxx$" /mysqldata/shared/backup
[--rsync ] 可以记录master点，以便进行复制设置。
InnoDB Backup Utility v1.5.1-xtrabackup; Copyright 2003, 2009 Innobase Oy
and Percona Inc 2009-2012. All Rights Reserved.
This software is published under
the GNU GENERAL PUBLIC LICENSE Version 2, June 1991.
131023 04:26:26 innobackupex: Starting mysql with options: --password=xxxxxxxx --user='user' --unbuffered --
131023 04:26:26 innobackupex: Connected to database with mysql child process (pid=24497)
131023 04:26:32 innobackupex: Connection to database server closed
IMPORTANT: Please check that the backup run completes successfully.
At the end of a successful backup run innobackupex
prints "completed OK!".
innobackupex: Using mysql Ver 14.14 Distrib 5.5.25a, for Linux (x86_64) using readline 5.1
innobackupex: Using mysql server version Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
xtrabackup: Error: Please set parameter 'datadir'
innobackupex: fatal error: no 'mysqld' group in MySQL options
innobackupex: fatal error: OR no 'datadir' option in group 'mysqld' in MySQL options
real 0m6.379s
user 0m0.219s
sys 0m0.124s
mysql 26087 26086 0 04:32 pts/3 00:00:00 -bash
2 去check 配置文件有无datadir配置参数。
[xxx@xxx-c001db1 sharding_setup_1]$ cat /xxx/xxx/xxx/5.5.25a/my.cnf |grep datadir
datadir=/mysqldata/data
看起来my.cnf里面已经配置了。
3 自定义备份制定my.cnf，试下看。
[xxx@xxx-c001db1 backup]$ time /usr/bin/innobackupex --rsync --user="user" --password="#xxx$" --defaults-file=/opt/xxx/xxx/5.5.25a/my.cnf /mysqldata/backup
InnoDB Backup Utility v1.5.1-xtrabackup; Copyright 2003, 2009 Innobase Oy
and Percona Inc 2009-2012. All Rights Reserved.
This software is published under
the GNU GENERAL PUBLIC LICENSE Version 2, June 1991.
131023 06:33:41 innobackupex: Starting mysql with options: --defaults-file='/opt/xxx/xxx/5.5.25a/my.cnf' --password=xxxxxxxx --user='user' --unbuffered --
131023 06:33:41 innobackupex: Connected to database with mysql child process (pid=22321)
131023 06:33:47 innobackupex: Connection to database server closed
IMPORTANT: Please check that the backup run completes successfully.
At the end of a successful backup run innobackupex
prints "completed OK!".
innobackupex: Using mysql Ver 14.14 Distrib 5.5.25a, for Linux (x86_64) using readline 5.1
innobackupex: Using mysql server version Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
innobackupex: Created backup directory /mysqldata/shared/backup/2013-10-23_06-33-47
131023 06:33:47 innobackupex: Starting mysql with options: --defaults-file='/opt/xxx/xxx/5.5.25a/my.cnf' --password=xxxxxxxx --user='user' --unbuffered --
131023 06:33:47 innobackupex: Connected to database with mysql child process (pid=22358)
131023 06:33:49 innobackupex: Connection to database server closed
131023 06:33:49 innobackupex: Starting ibbackup with command: xtrabackup_55 --defaults-file="/opt/xxx/xxx/5.5.25a/my.cnf" --backup --suspend-at-end --target-dir=/mysqldata/shared/backup/2013-10-23_06-33-47
innobackupex: Waiting for ibbackup (pid=22419) to suspend
innobackupex: Suspend file '/mysqldata/shared/backup/2013-10-23_06-33-47/xtrabackup_suspended'
xtrabackup_55 version 2.0.0 for Percona Server 5.5.16 Linux (x86_64) (revision id: 417)
xtrabackup: uses posix_fadvise().
xtrabackup: cd to /mysqldata/data
xtrabackup: Target instance is assumed as followings.
xtrabackup: innodb_data_home_dir = /mysqldata/data
xtrabackup: innodb_data_file_path = ibdata01:1G:autoextend
xtrabackup: innodb_log_group_home_dir = /mysqldata/iblogs
xtrabackup: innodb_log_files_in_group = 2
xtrabackup: innodb_log_file_size = 1073741824
131023 6:33:49 InnoDB: Using Linux native AIO
xtrabackup: using O_DIRECT
131023 6:33:49 InnoDB: Warning: allocated tablespace 68, old maximum was 9
>> log scanned up to (450994458760)
[01] Copying /mysqldata/data/ibdata01 to /mysqldata/shared/backup/2013-10-23_06-33-47/ibdata01
>> log scanned up to (450994626288)
>> log scanned up to (450994768050)
[01] ...done
[01] Copying ./billing/enum_invoice_tax_status.ibd to /mysqldata/shared/backup/2013-10-23_06-33-47/./xxx/xxxxtb.ibd
[01] ...done
.......
4 OK，成功了，在innobackupex的命令行上面指定--defaults-file=/opt/xxx/xxx/5.5.25a/my.cnf既可解决此问题。
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