如问题标题所示,很显然,我想从ibdata1文件恢复数据。我在Ubuntu系统中安装了mysql并损坏了大约189GB的数据库。现在数据库不会再起来,并触发数百万的innodb日志序列号错误。仅从ibdata1文件恢复数据
错误
70925 14:14:34 InnoDB: Error: page 220865 log sequence number 2848448969864 InnoDB: is in the future! Current system log sequence number 2840085856559. InnoDB: Your database may be corrupt or you may have copied the InnoDB InnoDB: tablespace but not the InnoDB log files. See InnoDB: http://dev.mysql.com/doc/refman/5.5/en/forcing-innodb-recovery.html InnoDB: for more information. 170925 14:14:34 InnoDB: Error: page 220866 log sequence number 2842327184689 InnoDB: is in the future! Current system log sequence number 2840085856620. InnoDB: Your database may be corrupt or you may have copied the InnoDB InnoDB: tablespace but not the InnoDB log files. See InnoDB: link InnoDB: for more information. 170925 14:14:34 InnoDB: Error: page 220867 log sequence number 2848550606948 InnoDB: is in the future! Current system log sequence number 2840085856711. InnoDB: Your database may be corrupt or you may have copied the InnoDB InnoDB: tablespace but not the InnoDB log files. See InnoDB: Link InnoDB: for more information.
我网上搜寻大量和尝试了许多方法,如-innodb_force_recovery = N(1〜6)逐一与其他变化太大。但是DB不是要去启动来恢复数据。
我已经清除了数据库并恢复了旧备份,并且服务器已启动并正在运行。但很少有数据非常重要,我想从ibdata1文件中恢复它。
有人可以指导我如何从ibdata1文件恢复数据?
这里错误日志可能会有帮助。
170925 14:14:34 InnoDB: Error: page 2804483 log sequence number 2846912445106
InnoDB: is in the future! Current system log sequence number 2840085857093.
InnoDB: Your database may be corrupt or you may have copied the InnoDB
InnoDB: tablespace but not the InnoDB log files. See
InnoDB: http://dev.mysql.com/doc/refman/5.5/en/forcing-innodb-recovery.html
InnoDB: for more information.
170925 14:14:34 InnoDB: Assertion failure in thread 1404991in file trx0rseg.c line 144
InnoDB: Failing assertion: UT_LIST_GET_LEN(rseg->update_undo_list) == 0
InnoDB: We intentionally generate a memory trap.
InnoDB: Submit a detailed bug report to http://bugs.mysql.com.
InnoDB: If you get repeated assertion failures or crashes, even
InnoDB: immediately after the mysqld startup, there may be
InnoDB: corruption in the InnoDB tablespace. Please refer to
InnoDB: http://dev.mysql.com/doc/refman/5.5/en/forcing-innodb-recovery.html
InnoDB: about forcing recovery.
08:44:34 UTC - mysqld got signal 6 ;
This could be because you hit a bug. It is also possible that this binary
or one of the libraries it was linked against is corrupt, improperly built,
or misconfigured. This error can also be caused by malfunctioning hardware.
We will try our best to scrape up some info that will hopefully help
diagnose the problem, but since we have already crashed,
something is definitely wrong and this may fail.
key_buffer_size=16777216
read_buffer_size=131072
max_used_connections=0
max_threads=500
thread_count=0
connection_count=0
It is possible that mysqld could use up to
key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 1110145 K bytes of memory
Hope that's ok; if not, decrease some variables in the equation.
Thread pointer: 0x0
Attempting backtrace. You can use the following information to find out
where mysqld died. If you see no messages after this, something went
terribly wrong...
stack_bottom = 0 thread_stack 0x30000
/usr/sbin/mysqld(my_print_stacktrace+0x20)[0x7fc87f558400]
/usr/sbin/mysqld(handle_fatal_signal+0x3d5)[0x7fc87f442a35]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x10340)[0x7fc87e1d3340]
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x39)[0x7fc87d829bb9]
/lib/x86_64-linux-gnu/libc.so.6(abort+0x148)[0x7fc87d82cfc8]
/usr/sbin/mysqld(+0x5a0e0f)[0x7fc87f608e0f]
/usr/sbin/mysqld(+0x5a3d00)[0x7fc87f60bd00]
/usr/sbin/mysqld(+0x590f2a)[0x7fc87f5f8f2a]
/usr/sbin/mysqld(+0x55c036)[0x7fc87f5c4036]
/usr/sbin/mysqld(_Z22ha_finalize_handlertonP13st_plugin_int+0x2b)[0x7fc87f4449bb]
/usr/sbin/mysqld(+0x2ffa29)[0x7fc87f367a29]
/usr/sbin/mysqld(+0x303a71)[0x7fc87f36ba71]
/usr/sbin/mysqld(_Z15plugin_shutdownv+0x1cd)[0x7fc87f36cbed]
/usr/sbin/mysqld(+0x289cf1)[0x7fc87f2f1cf1]
/usr/sbin/mysqld(unireg_abort+0x1c3)[0x7fc87f2f27f3]
/usr/sbin/mysqld(+0x28b2e8)[0x7fc87f2f32e8]
/usr/sbin/mysqld(_Z11mysqld_mainiPPc+0x45b)[0x7fc87f2f751b]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5)[0x7fc87d814ec5]
/usr/sbin/mysqld(+0x286a78)[0x7fc87f2eea78]
The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
information that should help you find out what is causing the crash.
帮助将非常感激。