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标签归档:ibdata恢复
InnoDB: Cannot open table db/tab from the internal data dictionary of InnoDB though the .frm file for the table exists
有客户找到我说mysql无法正常使用报错如下(库名.表名 doesn’t exist):
客户确认表的frm和ibd文件均存在.通过检查mysql日志,发现大量类似异常
![mysql-1](https://www.xifenfei.com/wp-content/uploads/2022/07/mysql-1.jpg)
而且情况一样ibd和frm文件均存在,系统日志中提示:
2022-07-08T08:37:57.935514Z 1423 [Warning] InnoDB: Cannot open table 库名/表名 from the internal data dictionary of InnoDB though the .frm file for the table exists. Please refer to http://dev.mysql.com/doc/refman/5.7/en/innodb-troubleshooting.html for how to resolve the issue.
根据对mysql的认知,出现此类问题,很可能是mysql的ibdata文件出了问题,对日志进行分析,发现类似记录
2022-07-08T04:11:27.413455Z 0 [Note] /www/server/mysql/bin/mysqld (mysqld 5.7.34-log) starting as process 2144 ... 2022-07-08T04:11:27.495536Z 0 [Note] InnoDB: PUNCH HOLE support available 2022-07-08T04:11:27.495559Z 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins 2022-07-08T04:11:27.495562Z 0 [Note] InnoDB: Uses event mutexes 2022-07-08T04:11:27.495565Z 0 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier 2022-07-08T04:11:27.495568Z 0 [Note] InnoDB: Compressed tables use zlib 1.2.11 2022-07-08T04:11:27.495571Z 0 [Note] InnoDB: Using Linux native AIO 2022-07-08T04:11:27.496130Z 0 [Note] InnoDB: Number of pools: 1 2022-07-08T04:11:27.496227Z 0 [Note] InnoDB: Using CPU crc32 instructions 2022-07-08T04:11:27.510618Z 0 [Note] InnoDB: Initializing buffer pool, total size=256M,instances=1,chunk size=128M 2022-07-08T04:11:27.520144Z 0 [Note] InnoDB: Completed initialization of buffer pool 2022-07-08T04:11:27.522095Z 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority(). 2022-07-08T04:11:27.532135Z 0 [Note] InnoDB: The first innodb_system data file 'ibdata1' did not exist. A new tablespace will be created! 2022-07-08T04:11:27.532259Z 0 [Note] InnoDB: Setting file '/www/server/data/ibdata1' size to 10 MB. Physically writing the file full; Please wait ... 2022-07-08T04:11:27.760116Z 0 [Note] InnoDB: File '/www/server/data/ibdata1' size is now 10 MB. 2022-07-08T04:11:27.760338Z 0 [Note] InnoDB: Setting log file /www/server/data/ib_logfile101 size to 128MB 2022-07-08T04:11:27.760414Z 0 [Note] InnoDB: Progress in MB: 100 2022-07-08T04:11:28.940355Z 0 [Note] InnoDB: Setting log file /www/server/data/ib_logfile1 size to 128 MB 2022-07-08T04:11:28.940442Z 0 [Note] InnoDB: Progress in MB: 100 2022-07-08T04:11:30.517357Z 0 [Note] InnoDB: Renaming log file /www/server/data/ib_logfile101 to /www/server/data/ib_logfile0 2022-07-08T04:11:30.517394Z 0 [Warning] InnoDB: New log files created, LSN=45790 2022-07-08T04:11:30.517401Z 0 [Note] InnoDB: Creating shared tablespace for temporary tables 2022-07-08T04:11:30.517425Z 0 [Note] InnoDB: Setting file '/www/server/data/ibtmp1' size to 12 MB. Physically writing the file full; Please wait ... 2022-07-08T04:11:30.609146Z 0 [Note] InnoDB: File '/www/server/data/ibtmp1' size is now 12 MB. 2022-07-08T04:11:30.609236Z 0 [Note] InnoDB: Doublewrite buffer not found: creating new 2022-07-08T04:11:30.631133Z 0 [Note] InnoDB: Doublewrite buffer created 2022-07-08T04:11:31.160847Z 0 [Note] InnoDB: 96 redo rollback segment(s) found.96 redo rollback segment(s) are active. 2022-07-08T04:11:31.160860Z 0 [Note] InnoDB: 32 non-redo rollback segment(s) are active. 2022-07-08T04:11:31.160970Z 0 [Warning] InnoDB: Creating foreign key constraint system tables. 2022-07-08T04:11:31.194147Z 0 [Note] InnoDB: Foreign key constraint system tables created 2022-07-08T04:11:31.194175Z 0 [Note] InnoDB: Creating tablespace and datafile system tables. 2022-07-08T04:11:31.195079Z 0 [Note] InnoDB: Tablespace and datafile system tables created. 2022-07-08T04:11:31.195098Z 0 [Note] InnoDB: Creating sys_virtual system tables. 2022-07-08T04:11:31.195974Z 0 [Note] InnoDB: sys_virtual table created 2022-07-08T04:11:31.196099Z 0 [Note] InnoDB: Waiting for purge to start 2022-07-08T04:11:31.246167Z 0 [Note] InnoDB: 5.7.34 started; log sequence number 0 2022-07-08T04:11:31.246379Z 0 [Note] Plugin 'FEDERATED' is disabled. 2022-07-08T04:11:31.248996Z 0 [Warning] InnoDB: Cannot open table mysql/plugin from the internal data dictionary of InnoDB though the .frm file for the table exists. Please refer to http://dev.mysql.com/doc/refman/5.7/en/innodb-troubleshooting.html for how to resolve the issue. mysqld: Table 'mysql.plugin' doesn't exist
通过上述日志可以确认,数据库应该被重新初始化了,导致以前库的ibd和frm文件无法被正常访问.对于此类情况,可以参考以前类似恢复案例:frm和ibd文件数据库恢复
[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
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