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- ORA-600 kcbzpbuf_1故障恢复
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标签归档:MySQL恢复
MySQL 8.0版本ibd文件恢复
对于单个的ibd文件,大部分情况下可以通过DISCARD TABLESPACE和IMPORT TABLESPACE方式进行恢复
mysql> use test; Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A Database changed mysql> CREATE TABLE `t1` ( -> `id` int DEFAULT NULL -> ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci; Query OK, 0 rows affected (0.01 sec) mysql> insert into t1 values(1); Query OK, 1 row affected (0.02 sec) mysql> insert into t1 values(2); Query OK, 1 row affected (0.01 sec) mysql> insert into t1 values(3); Query OK, 1 row affected (0.00 sec)
关闭mysql服务,备份mysql中的t1.ibd文件
[root@xifenfei ~]# service mysql stop Shutting down MySQL..... SUCCESS! [root@xifenfei test]# cp t1.ibd t1_bak
启动mysql服务,并删除并创建新的t1表(表结构相同)
[root@xifenfei test]# service mysql start Starting MySQL..................... SUCCESS! [root@xifenfei test]# mysql -uroot -poracle test mysql: [Warning] Using a password on the command line interface can be insecure. Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 8 Server version: 8.0.31 MySQL Community Server - GPL Copyright (c) 2000, 2022, Oracle and/or its affiliates. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> drop table t1; Query OK, 0 rows affected (0.20 sec) mysql> mysql> CREATE TABLE `t1` ( -> `id` int DEFAULT NULL -> ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci; Query OK, 0 rows affected (0.01 sec)
DISCARD TABLESPACE操作
mysql> ALTER TABLE t1 DISCARD TABLESPACE; Query OK, 0 rows affected (0.01 sec)
把备份的t1.ibd还原回去并修改权限
[root@xifenfei test]# mv t1_bak t1.ibd [root@xifenfei test]# ls -ltr total 112 -rw-r-----. 1 root root 114688 Dec 18 17:24 t1.ibd [root@xifenfei test]# chown mysql.mysql t1.ibd
IMPORT TABLESPACE并验证数据
mysql> ALTER TABLE t1 IMPORT TABLESPACE; Query OK, 0 rows affected, 1 warning (0.24 sec) mysql> select * from t1; +------+ | id | +------+ | 1 | | 2 | | 3 | +------+ 3 rows in set (0.00 sec)
在恢复途中如果遇到表定义不对,或者ibd文件损坏,或者版本不匹配等各种情况,可能在IMPORT TABLESPACE的时候可能出现类似ERROR 1808 (HY000): Schema mismatch (Clustered index validation failed. Because the .cfg file is missing, table definition of the IBD file could be different. Or the data file itself is already corrupted.)错误
mysql> alter table `t1` import tablespace; ERROR 1808 (HY000): Schema mismatch (Clustered index validation failed. Because the .cfg file is missing, table definition of the IBD file could be different. Or the data file itself is already corrupted.)
如果出现此类错误,无法直接通过该方法进行解决,参考frm和ibd文件数据库恢复,使用专业恢复工具进行处理
[MySQL异常恢复]mysql drop table 数据恢复
对于MySQL数据库的innodb引擎的数据库中,由于误操作删除表,或者由于sqldump自动生成语句含drop table create table语句导致数据丢失,在没有覆盖的情况下,可以实现完美恢复
创建测试表
mysql> CREATE TABLE recover.`t_drop` ( -> `messageId` varchar(30) NOT NULL, -> `msgContent` varchar(1000) default NULL, -> `scheduleDate` timestamp NOT NULL default CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP, -> `deliverState` int(1) default NULL, -> PRIMARY KEY (`messageId`) -> ) ENGINE=InnoDB DEFAULT CHARSET=utf8; Query OK, 0 rows affected (0.00 sec) mysql> insert into recover.t_drop select messageId,msgContent,scheduleDate,deliverState from sms_send_record; Query OK, 11 rows affected (0.00 sec) Records: 11 Duplicates: 0 Warnings: 0 mysql> select * from recover.`t_drop`; +--------------------+----------------------------------------------------------------------------------+---------------------+--------------+ | messageId | msgContent | scheduleDate | deliverState | +--------------------+----------------------------------------------------------------------------------+---------------------+--------------+ | 10235259536125650 | 尊敬的用户您好:您的手机验证码为474851如非本人操作,请拨打奥斯卡客服:400-620-757 | 2010-01-01 00:00:00 | 0 | | 10235353811295807 | 尊敬的用户您好:您的手机验证码为444632如非本人操作,请拨打奥斯卡客服:400-620-757 | 2010-01-01 00:00:00 | 0 | | 102354211240398235 | 尊敬的用户您好:您的手机验证码为478503如非本人操作,请拨打奥斯卡客服:400-620-757 | 2010-01-01 00:00:00 | 0 | | 102354554052884567 | 尊敬的用户您好:您的手机验证码为216825如非本人操作,请拨打奥斯卡客服:400-620-757 | 2010-01-01 00:00:00 | 0 | | 132213454294519126 | 尊敬的用户您好:您的手机验证码为854812如非本人操作,请拨打奥斯卡客服:400-620-757 | 2010-01-01 00:00:00 | 0 | | 82329022242584577 | 尊敬的用户您好:您的手机验证码为253127如非本人操作,请拨打奥斯卡客服:400-620-757 | 2010-01-01 00:00:00 | 0 | | 82329022242584581 | 尊敬的用户您好:您的手机验证码为253127如非本人操作,请拨打奥斯卡客服:400-620-757 | 2010-01-01 00:00:00 | 0 | | 8233400415607376 | 尊敬的用户您好:您的手机验证码为338470如非本人操作,请拨打奥斯卡客服:400-620-757 | 2010-01-01 00:00:00 | 0 | | 82334502212106951 | 尊敬的用户您好:您的手机验证码为916515如非本人操作,请拨打奥斯卡客服:400-620-757 | 2010-01-01 00:00:00 | 0 | | 82339012756833423 | 尊敬的用户您好:您的手机验证码为396108如非本人操作,请拨打奥斯卡客服:400-620-757 | 2010-01-01 00:00:00 | 0 | | 8234322198577796 | 尊敬的用户您好:您的手机验证码为935297如非本人操作,请拨打奥斯卡客服:400-620-757 | 2010-01-01 00:00:00 | 0 | +--------------------+----------------------------------------------------------------------------------+---------------------+--------------+ 11 rows in set (0.00 sec) mysql> checksum table t_drop; +-----------------+-----------+ | Table | Checksum | +-----------------+-----------+ | recover.t_drop | 920719058 | +-----------------+-----------+ 1 row in set (0.00 sec)
删除测试表,后续用来恢复
mysql> drop table recover.t_drop; Query OK, 0 rows affected (0.00 sec)
解析ibdata文件
[root@web103 mysql_recovery]# ./stream_parser -f /var/lib/mysql/ibdata1 Opening file: /var/lib/mysql/ibdata1 File information: ID of device containing file: 2049 inode number: 1344553 protection: 100660 (regular file) number of hard links: 1 user ID of owner: 27 group ID of owner: 27 device ID (if special file): 0 blocksize for filesystem I/O: 4096 number of blocks allocated: 463312 time of last access: 1440825416 Sat Aug 29 13:16:56 2015 time of last modification: 1440855835 Sat Aug 29 21:43:55 2015 time of last status change: 1440855835 Sat Aug 29 21:43:55 2015 total size, in bytes: 236978176 (226.000 MiB) Size to process: 236978176 (226.000 MiB) Opening file: /var/lib/mysql/ibdata1 File information: ID of device containing file: 2049 inode number: 1344553 protection: 100660 (regular file) number of hard links: 1 user ID of owner: 27 group ID of owner: 27 device ID (if special file): 0 blocksize for filesystem I/O: 4096 number of blocks allocated: 463312 time of last access: 1440825416 Sat Aug 29 13:16:56 2015 time of last modification: 1440855835 Sat Aug 29 21:43:55 2015 time of last status change: 1440855835 Sat Aug 29 21:43:55 2015 total size, in bytes: 236978176 (226.000 MiB) Size to process: 236978176 (226.000 MiB) Opening file: /var/lib/mysql/ibdata1 File information: ID of device containing file: 2049 inode number: 1344553 protection: 100660 (regular file) number of hard links: 1 user ID of owner: 27 group ID of owner: 27 device ID (if special file): 0 blocksize for filesystem I/O: 4096 number of blocks allocated: 463312 time of last access: 1440825416 Sat Aug 29 13:16:56 2015 time of last modification: 1440855835 Sat Aug 29 21:43:55 2015 time of last status change: 1440855835 Sat Aug 29 21:43:55 2015 total size, in bytes: 236978176 (226.000 MiB) Size to process: 236978176 (226.000 MiB) Opening file: /var/lib/mysql/ibdata1 File information: ID of device containing file: 2049 inode number: 1344553 protection: 100660 (regular file) number of hard links: 1 user ID of owner: 27 group ID of owner: 27 device ID (if special file): 0 blocksize for filesystem I/O: 4096 number of blocks allocated: 463312 time of last access: 1440825416 Sat Aug 29 13:16:56 2015 time of last modification: 1440855835 Sat Aug 29 21:43:55 2015 time of last status change: 1440855835 Sat Aug 29 21:43:55 2015 total size, in bytes: 236978176 (226.000 MiB) Size to process: 236978176 (226.000 MiB) Opening file: /var/lib/mysql/ibdata1 File information: ID of device containing file: 2049 inode number: 1344553 protection: 100660 (regular file) number of hard links: 1 user ID of owner: 27 group ID of owner: 27 device ID (if special file): 0 blocksize for filesystem I/O: 4096 number of blocks allocated: 463312 time of last access: 1440825416 Sat Aug 29 13:16:56 2015 time of last modification: 1440855835 Sat Aug 29 21:43:55 2015 time of last status change: 1440855835 Sat Aug 29 21:43:55 2015 total size, in bytes: 236978176 (226.000 MiB) Size to process: 236978176 (226.000 MiB) Opening file: /var/lib/mysql/ibdata1 File information: ID of device containing file: 2049 inode number: 1344553 protection: 100660 (regular file) number of hard links: 1 user ID of owner: 27 group ID of owner: 27 device ID (if special file): 0 blocksize for filesystem I/O: 4096 number of blocks allocated: 463312 time of last access: 1440825416 Sat Aug 29 13:16:56 2015 time of last modification: 1440855835 Sat Aug 29 21:43:55 2015 time of last status change: 1440855835 Sat Aug 29 21:43:55 2015 total size, in bytes: 236978176 (226.000 MiB) Size to process: 236978176 (226.000 MiB) Opening file: /var/lib/mysql/ibdata1 File information: ID of device containing file: 2049 inode number: 1344553 protection: 100660 (regular file) number of hard links: 1 user ID of owner: 27 group ID of owner: 27 device ID (if special file): 0 blocksize for filesystem I/O: 4096 number of blocks allocated: 463312 time of last access: 1440855928 Sat Aug 29 21:45:28 2015 time of last modification: 1440855835 Sat Aug 29 21:43:55 2015 time of last status change: 1440855835 Sat Aug 29 21:43:55 2015 total size, in bytes: 236978176 (226.000 MiB) Size to process: 236978176 (226.000 MiB) Opening file: /var/lib/mysql/ibdata1 File information: ID of device containing file: 2049 inode number: 1344553 protection: 100660 (regular file) number of hard links: 1 user ID of owner: 27 group ID of owner: 27 device ID (if special file): 0 blocksize for filesystem I/O: 4096 number of blocks allocated: 463312 time of last access: 1440855928 Sat Aug 29 21:45:28 2015 time of last modification: 1440855835 Sat Aug 29 21:43:55 2015 time of last status change: 1440855835 Sat Aug 29 21:43:55 2015 total size, in bytes: 236978176 (226.000 MiB) Size to process: 236978176 (226.000 MiB) Worker(1): 56.64% done. 2015-08-29 21:45:30 ETA(in 00:00:01). Processing speed: 8.000 MiB/sec Worker(0): 56.64% done. 2015-08-29 21:45:30 ETA(in 00:00:01). Processing speed: 8.000 MiB/sec Worker(4): 56.64% done. 2015-08-29 21:45:30 ETA(in 00:00:01). Processing speed: 8.000 MiB/sec Worker(3): 56.64% done. 2015-08-29 21:45:30 ETA(in 00:00:01). Processing speed: 8.000 MiB/sec Worker(2): 56.64% done. 2015-08-29 21:45:30 ETA(in 00:00:01). Processing speed: 8.000 MiB/sec Worker(7): 56.64% done. 2015-08-29 21:45:30 ETA(in 00:00:01). Processing speed: 8.000 MiB/sec Worker(5): 56.64% done. 2015-08-29 21:45:30 ETA(in 00:00:01). Processing speed: 8.000 MiB/sec Worker(6): 56.64% done. 2015-08-29 21:45:30 ETA(in 00:00:01). Processing speed: 8.000 MiB/sec All workers finished in 1 sec
恢复mysql字典
[root@web103 mysql_recovery]# ./recover_dictionary.sh Generating dictionary tables dumps... OK Creating test database ... OK Creating dictionary tables in database test: SYS_TABLES ... OK SYS_COLUMNS ... OK SYS_INDEXES ... OK SYS_FIELDS ... OK All OK Loading dictionary tables data: SYS_TABLES ... 162 recs OK SYS_COLUMNS ... 1247 recs OK SYS_INDEXES ... 216 recs OK SYS_FIELDS ... 411 recs OK All OK [root@web103 mysql_recovery]# mysql test Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 10162 Server version: 5.0.95 Source distribution Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> select * from SYS_TABLES WHERE name like 'recover%'; +-------------------------+-----+--------+------+--------+---------+--------------+-------+ | NAME | ID | N_COLS | TYPE | MIX_ID | MIX_LEN | CLUSTER_NAME | SPACE | +-------------------------+-----+--------+------+--------+---------+--------------+-------+ | recover/#sql-64a9_1f6d | 120 | 8 | 1 | 0 | 0 | | 0 | | recover/#sql2-64a9-1f6d | 115 | 8 | 1 | 0 | 0 | | 0 | | recover/t_delete | 74 | 2 | 1 | 0 | 0 | | 0 | | recover/t_delete1 | 84 | 2 | 1 | 0 | 0 | | 0 | | recover/t_drop | 125 | 4 | 1 | 0 | 0 | | 0 | | recover/t_truncate | 120 | 8 | 1 | 0 | 0 | | 0 | | recover/t_xifenfei | 75 | 2 | 1 | 0 | 0 | | 0 | | recover/zx_users | 89 | 85 | 1 | 0 | 0 | | 0 | +-------------------------+-----+--------+------+--------+---------+--------------+-------+ 8 rows in set (0.00 sec) mysql> select * from SYS_INDEXES WHERE TABLE_ID=125; +----------+-----+---------+----------+------+-------+------------+ | TABLE_ID | ID | NAME | N_FIELDS | TYPE | SPACE | PAGE_NO | +----------+-----+---------+----------+------+-------+------------+ | 125 | 142 | PRIMARY | 1 | 3 | 0 | 4294967295 | +----------+-----+---------+----------+------+-------+------------+ 1 row in set (0.00 sec)
恢复被删除表记录
[root@web103 mysql_recovery]# ./c_parser -5f pages-ibdata1/FIL_PAGE_INDEX/0000000000000142.page -t dictionary/t_drop.sql >dumps/default/t_drop 2>2.sql [root@web103 mysql_recovery]# more dumps/default/t_drop -- Page id: 9860, Format: COMPACT, Records list: Valid, Expected records: (11 11) 00000099F9F2 80000026800110 t_drop "10235259536125650" "尊敬的用户您好:您的手机验证码为474851如非本人操作,请拨打奥斯卡客服:400-620-7575。" "2010-01-01 00:00:00" 0 00000099F9F2 80000026800129 t_drop "10235353811295807" "尊敬的用户您好:您的手机验证码为444632如非本人操作,请拨打奥斯卡客服:400-620-7575。" "2010-01-01 00:00:00" 0 00000099F9F2 80000026800142 t_drop "102354211240398235" "尊敬的用户您好:您的手机验证码为478503如非本人操作,请拨打奥斯卡客服:400-620-7575。" "2010-01-01 00:00:00" 0 00000099F9F2 8000002680015C t_drop "102354554052884567" "尊敬的用户您好:您的手机验证码为216825如非本人操作,请拨打奥斯卡客服:400-620-7575。" "2010-01-01 00:00:00" 0 00000099F9F2 80000026800176 t_drop "132213454294519126" "尊敬的用户您好:您的手机验证码为854812如非本人操作,请拨打奥斯卡客服:400-620-7575。" "2010-01-01 00:00:00" 0 00000099F9F2 80000026800190 t_drop "82329022242584577" "尊敬的用户您好:您的手机验证码为253127如非本人操作,请拨打奥斯卡客服:400-620-7575。" "2010-01-01 00:00:00" 0 00000099F9F2 800000268001A9 t_drop "82329022242584581" "尊敬的用户您好:您的手机验证码为253127如非本人操作,请拨打奥斯卡客服:400-620-7575。" "2010-01-01 00:00:00" 0 00000099F9F2 800000268001C2 t_drop "8233400415607376" "尊敬的用户您好:您的手机验证码为338470如非本人操作,请拨打奥斯卡客服:400-620-7575。" "2010-01-01 00:00:00" 0 00000099F9F2 800000268001DA t_drop "82334502212106951" "尊敬的用户您好:您的手机验证码为916515如非本人操作,请拨打奥斯卡客服:400-620-7575。" "2010-01-01 00:00:00" 0 00000099F9F2 800000268001F3 t_drop "82339012756833423" "尊敬的用户您好:您的手机验证码为396108如非本人操作,请拨打奥斯卡客服:400-620-7575。" "2010-01-01 00:00:00" 0 00000099F9F2 8000002680020C t_drop "8234322198577796" "尊敬的用户您好:您的手机验证码为935297如非本人操作,请拨打奥斯卡客服:400-620-7575。" "2010-01-01 00:00:00" 0 -- Page id: 9860, Found records: 11, Lost records: NO, Leaf page: YES
恢复数据入库
mysql> source dictionary/t_drop.sql Query OK, 0 rows affected (0.00 sec) mysql> source 2.sql Query OK, 0 rows affected (0.00 sec) Query OK, 11 rows affected (0.00 sec) Records: 11 Deleted: 0 Skipped: 0 Warnings: 0 mysql> checksum table t_drop; +-----------------+-----------+ | Table | Checksum | +-----------------+-----------+ | recover.t_drop | 920719058 | +-----------------+-----------+ 1 row in set (0.00 sec)
至此实现删除数据完美恢复
发表在 MySQL恢复
标签为 ibdata恢复, innodb drop 恢复, innodb恢复, mysql drop database恢复, mysql drop恢复, MySQL恢复
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[MySQL异常恢复]无主键情况下innodb数据恢复
在mysql的innodb引擎的数据库异常恢复中,一般都要求有主键或者唯一index,其实这个不是必须的,当没有index信息之时,可以在整个表级别的index_id进行恢复
创建模拟表—无主键
mysql> CREATE TABLE `t1` ( -> `messageId` varchar(30) character set utf8 NOT NULL, -> `tokenId` varchar(20) character set utf8 NOT NULL, -> `mobile` varchar(14) character set utf8 default NULL, -> `msgFormat` int(1) NOT NULL, -> `msgContent` varchar(1000) character set utf8 default NULL, -> `scheduleDate` timestamp NOT NULL default '0000-00-00 00:00:00', -> `deliverState` int(1) default NULL, -> `deliverdTime` timestamp NOT NULL default '0000-00-00 00:00:00' -> ) ENGINE=INnodb DEFAULT CHARSET=utf8; Query OK, 0 rows affected (0.00 sec) mysql> insert into t1 select * from sms_service.sms_send_record; Query OK, 11 rows affected (0.00 sec) Records: 11 Duplicates: 0 Warnings: 0 ………… mysql> insert into t1 select * from t1; Query OK, 81664 rows affected (2.86 sec) Records: 81664 Duplicates: 0 Warnings: 0 mysql> insert into t1 select * from t1; Query OK, 163328 rows affected (2.74 sec) Records: 163328 Duplicates: 0 Warnings: 0 mysql> select count(*) from t1; +----------+ | count(*) | +----------+ | 326656 | +----------+ 1 row in set (0.15 sec)
解析innodb文件
[root@web103 mysql_recovery]# rm -rf pages-ibdata1/ [root@web103 mysql_recovery]# ./stream_parser -f /var/lib/mysql/ibdata1 Opening file: /var/lib/mysql/ibdata1 File information: ID of device containing file: 2049 inode number: 1344553 protection: 100660 (regular file) number of hard links: 1 user ID of owner: 27 group ID of owner: 27 device ID (if special file): 0 blocksize for filesystem I/O: 4096 number of blocks allocated: 463312 time of last access: 1440819443 Sat Aug 29 11:37:23 2015 time of last modification: 1440819463 Sat Aug 29 11:37:43 2015 time of last status change: 1440819463 Sat Aug 29 11:37:43 2015 total size, in bytes: 236978176 (226.000 MiB) Size to process: 236978176 (226.000 MiB) Opening file: /var/lib/mysql/ibdata1 File information: ID of device containing file: 2049 inode number: 1344553 protection: 100660 (regular file) number of hard links: 1 user ID of owner: 27 group ID of owner: 27 device ID (if special file): 0 blocksize for filesystem I/O: 4096 number of blocks allocated: 463312 Opening file: /var/lib/mysql/ibdata1 File information: time of last access: 1440819443 Sat Aug 29 11:37:23 2015 time of last modification: 1440819463 Sat Aug 29 11:37:43 2015 ID of device containing file: 2049 inode number: 1344553 protection: 100660 time of last status change: 1440819463 Sat Aug 29 11:37:43 2015 total size, in bytes: 236978176 (226.000 MiB) Size to process: 236978176 (226.000 MiB) Opening file: /var/lib/mysql/ibdata1 File information: ID of device containing file: 2049 inode number: 1344553 protection: 100660 (regular file) number of hard links: 1 user ID of owner: 27 group ID of owner: 27 device ID (if special file): 0 blocksize for filesystem I/O: 4096 number of blocks allocated: 463312 time of last access: 1440819443 Sat Aug 29 11:37:23 2015 time of last modification: 1440819463 Sat Aug 29 11:37:43 2015 time of last status change: 1440819463 Sat Aug 29 11:37:43 2015 total size, in bytes: 236978176 (226.000 MiB) Size to process: 236978176 (226.000 MiB) (regular file) number of hard links: 1 user ID of owner: 27 group ID of owner: 27 device ID (if special file): 0 blocksize for filesystem I/O: 4096 number of blocks allocated: 463312 time of last access: 1440819443 Sat Aug 29 11:37:23 2015 time of last modification: 1440819463 Sat Aug 29 11:37:43 2015 time of last status change: 1440819463 Sat Aug 29 11:37:43 2015 total size, in bytes: 236978176 (226.000 MiB) Size to process: 236978176 (226.000 MiB) Opening file: /var/lib/mysql/ibdata1 File information: ID of device containing file: 2049 inode number: 1344553 protection: 100660 (regular file) number of hard links: 1 user ID of owner: 27 group ID of owner: 27 device ID (if special file): 0 blocksize for filesystem I/O: 4096 number of blocks allocated: 463312 time of last access: 1440819443 Sat Aug 29 11:37:23 2015 time of last modification: 1440819463 Sat Aug 29 11:37:43 2015 time of last status change: 1440819463 Sat Aug 29 11:37:43 2015 total size, in bytes: 236978176 (226.000 MiB) Size to process: 236978176 (226.000 MiB) Opening file: /var/lib/mysql/ibdata1 File information: ID of device containing file: 2049 inode number: 1344553 protection: 100660 (regular file) number of hard links: 1 user ID of owner: 27 group ID of owner: 27 device ID (if special file): 0 blocksize for filesystem I/O: 4096 number of blocks allocated: 463312 time of last access: 1440819443 Sat Aug 29 11:37:23 2015 time of last modification: 1440819463 Sat Aug 29 11:37:43 2015 time of last status change: 1440819463 Sat Aug 29 11:37:43 2015 Opening file: /var/lib/mysql/ibdata1 File information: ID of device containing file: 2049 inode number: 1344553 protection: 100660 (regular file) number of hard links: 1 user ID of owner: 27 group ID of owner: 27 device ID (if special file): 0 blocksize for filesystem I/O: 4096 number of blocks allocated: 463312 total size, in bytes: 236978176 (226.000 MiB) Size to process: 236978176 (226.000 MiB) time of last access: 1440819443 Sat Aug 29 11:37:23 2015 time of last modification: 1440819463 Sat Aug 29 11:37:43 2015 time of last status change: 1440819463 Sat Aug 29 11:37:43 2015 total size, in bytes: 236978176 (226.000 MiB) Size to process: 236978176 (226.000 MiB) Opening file: /var/lib/mysql/ibdata1 File information: ID of device containing file: 2049 inode number: 1344553 protection: 100660 (regular file) number of hard links: 1 user ID of owner: 27 group ID of owner: 27 device ID (if special file): 0 blocksize for filesystem I/O: 4096 number of blocks allocated: 463312 time of last access: 1440819465 Sat Aug 29 11:37:45 2015 time of last modification: 1440819463 Sat Aug 29 11:37:43 2015 time of last status change: 1440819463 Sat Aug 29 11:37:43 2015 total size, in bytes: 236978176 (226.000 MiB) Size to process: 236978176 (226.000 MiB) All workers finished in 0 sec
恢复数据字典
[root@web103 mysql_recovery]# ./recover_dictionary.sh Generating dictionary tables dumps... OK Creating test database ... OK Creating dictionary tables in database test: SYS_TABLES ... OK SYS_COLUMNS ... OK SYS_INDEXES ... OK SYS_FIELDS ... OK All OK Loading dictionary tables data: SYS_TABLES ... 48 recs OK SYS_COLUMNS ... 397 recs OK SYS_INDEXES ... 67 recs OK SYS_FIELDS ... 89 recs OK All OK
分析数据字典,找出来index_id
这里需要注意对于没有主键的表恢复,我们对应的类型是GEN_CLUST_INDEX
mysql> select * from SYS_TABLES where name='test/t1'; +----------------------------------------+-----+-------------+------+--------+---------+--------------+-------+ | NAME | ID | N_COLS | TYPE | MIX_ID | MIX_LEN | CLUSTER_NAME | SPACE | +----------------------------------------+-----+-------------+------+--------+---------+--------------+-------+ | test/t1 | 100 | 8 | 1 | 0 | 0 | | 0 | +----------------------------------------+-----+-------------+------+--------+---------+--------------+-------+ 40 rows in set (0.00 sec) mysql> SELECT * FROM SYS_INDEXES where table_id=100; +----------+-----+------------------------------+----------+------+-------+------------+ | TABLE_ID | ID | NAME | N_FIELDS | TYPE | SPACE | PAGE_NO | +----------+-----+------------------------------+----------+------+-------+------------+ | 100 | 119 | GEN_CLUST_INDEX | 0 | 1 | 0 | 2951 | +----------+-----+------------------------------+----------+------+-------+------------+ 67 rows in set (0.00 sec)
恢复数据
root@web103 mysql_recovery]# ./c_parser -5f pages-ibdata1/FIL_PAGE_INDEX/0000000000000119.page -t dictionary/t1.sql >/tmp/2.txt 2>2.sql [root@web103 mysql_recovery]# more /tmp/2.txt -- Page id: 10848, Format: COMPACT, Records list: Valid, Expected records: (73 73) 00000002141B 0000009924F2 80000027133548 t1 "82334502212106951" "SDK-BBX-010-18681" "13718311436" 8 "尊敬的用户您好:您的手机验证码为916515如非本人操作,请拨打奥 斯卡客服:400-620-7575。" "2010-01-01 00:00:00" 0 "1970-01-01 07:00:00" 00000002141C 0000009924F2 80000027133558 t1 "82339012756833423" "SDK-BBX-010-18681" "13718311436" 8 "尊敬的用户您好:您的手机验证码为396108如非本人操作,请拨打奥 斯卡客服:400-620-7575。" "2010-01-01 00:00:00" 0 "1970-01-01 07:00:00" 00000002141D 0000009924F2 80000027133568 t1 "8234322198577796" "SDK-BBX-010-18681" "13718311436" 8 "尊敬的用户您好:您的手机验证码为935297如非本人操作,请拨打奥 斯卡客服:400-620-7575。" "2010-01-01 00:00:00" 0 "1970-01-01 07:00:00" 00000002141E 0000009924F2 80000027133578 t1 "10235259536125650" "SDK-BBX-010-18681" "13718311436" 8 "尊敬的用户您好:您的手机验证码为474851如非本人操作,请拨打奥 斯卡客服:400-620-7575。" "2010-01-01 00:00:00" 0 "1970-01-01 07:00:00" 00000002141F 0000009924F2 80000027133588 t1 "10235353811295807" "SDK-BBX-010-18681" "13718311436" 8 "尊敬的用户您好:您的手机验证码为444632如非本人操作,请拨打奥 斯卡客服:400-620-7575。" "2010-01-01 00:00:00" 0 "1970-01-01 07:00:00" 000000021420 0000009924F2 80000027133598 t1 "102354211240398235" "SDK-BBX-010-18681" "13718311436" 8 "尊敬的用户您好:您的手机验证码为478503如非本人操作,请拨打奥 斯卡客服:400-620-7575。" "2010-01-01 00:00:00" 0 "1970-01-01 07:00:00" 000000021421 0000009924F2 800000271335A8 t1 "102354554052884567" "SDK-BBX-010-18681" "13718311436" 8 "尊敬的用户您好:您的手机验证码为216825如非本人操作,请拨打奥 斯卡客服:400-620-7575。" "2010-01-01 00:00:00" 0 "1970-01-01 07:00:00" 000000021422 0000009924F2 800000271335B8 t1 "132213454294519126" "SDK-BBX-010-18681" "13718311436" 8 "尊敬的用户您好:您的手机验证码为854812如非本人操作,请拨打奥 斯卡客服:400-620-7575。" "2010-01-01 00:00:00" 0 "1970-01-01 07:00:00" 000000021423 0000009924F2 800000271335C8 t1 "82329022242584577" "SDK-BBX-010-18681" "13718311436" 8 "尊敬的用户您好:您的手机验证码为253127如非本人操作,请拨打奥 斯卡客服:400-620-7575。" "2010-01-01 00:00:00" 0 "2015-08-26 22:02:17" ………… [root@web103 mysql_recovery]# cat /tmp/2.txt|grep -v "Page id:"|wc -l 380731
因为没有主键,使得恢复出来记录可能有一些重复,整体而言,可以较为完美的恢复数据