…/mysql/export ALTER TABLE data DISCARD TABLESPACE; # replace ibd with the export files SET GLOBAL innodb_import_table_from_xtrabackup = 1; ALTER TABLE data… import of data is being started. InnoDB: Import: 9 indexes have been detected. InnoDB: Progress in %: 1 2 3 4 5 6 7… be corrupt or you may have copied the InnoDB InnoDB: tablespace but not the InnoDB log files. See InnoDB: http://dev.mysql…
Post: Data Corruption, DRBD and story of bug
November 29, 2010 By 6 Comments
… corrupts data by itself Now to bug 55981. It has MySQL version 5.6, but the problem exists in MySQL 5.1.50 or below and in MySQL 5.5… recommend to upgrade to MySQL version 5.1.51+ . Now another interesting point – how can you be sure that 5.1.51 works. The bug… 5.1.52. However if you look into source code and revision history, you can see that bug 55543 is fixed in MySQL 5.1…
Post: Connecting orphaned .ibd files
May 13, 2011 By 12 Comments
…InnoDB can organize tablespaces. First is when all data, indexes and system buffers are stored in …when you have to: 1. ibdata1 is erroneously removed 2. ibdata1 is heavily corrupted and innodb_force_…was tested on MySQL 5.1 on CentOS 5.6 x86_64. However it expected to work on all versions of MySQL/…
Post: Bug#12704861
November 20, 2011 By 1 Comment
… is fixed in MySQL 5.1.60. I’ll repeat here the full documentation from the release notes: “InnoDB Storage Engine: Data from BLOB… for updated records that contain BLOBs is broken in 5.1.58 and 5.1.59. Now, just because this bug is there doesn… log of the record update, the index tree would be corrupted. The correct solution is to make the freed clustered index…
Post: MySQL Storage Engines - PBXT
May 14, 2007 By 6 Comments
…) furthermore in case of crash database may become corrupted, just as with MyISAM, and you might need …. Besides row pointer each rows has fixed data part and dynamic data parts stored in separate files. Dynamic …and to try out (We’re using PBXT with MySQL 5.1 in one of our projects) and if developed …
Post: MySQL Crash Recovery
July 30, 2006 By 26 Comments
… MySQL 4.1 so your Innodb log and binary log are synchronized. In MySQL 5.0 XA is taking care of this synchronization. .frm Corruption… other problems which you may experience related to MySQL Crash Recovery – Restoring data from backup, corrupted Innodb tablespace recovery etc but I should…
Post: Recovery beyond data restore
August 2, 2008 By 11 Comments
…replicating to 50 servers in 5 different Data Centers via single Replication …flush_logs_at_trx_commit=1 and only using Innodb …data lost, such as you have RAID or disk failure. Though it also can be things like Innodb corruption…with your data. One of vendors offering solution for MySQL is R1Soft….
Post: Recover BLOB fields
July 1, 2010 By 4 Comments
…COMPACT format is used, which is default in MySQL >= 5.1. The record consists of four parts: Offsets. …_OFFSET and BTR_EXTERN_LEN must not be corrupted. The tool outputs the recovered table in … the table back you should utilize UNHEX function: mysql> LOAD DATA INFILE ‘/path/to/datafile’ REPLACE INTO …
Post: Battery Learning still problem many years after
February 10, 2011 By 7 Comments
…data if not you may be able to get less penalty going from innodb_flush_log_at_trx_commit=1…1 to values 2 and 0 appropriately. Both can be done without server restart with Innodb Plugin, Percona Server and MySQL 5.5…without Battery as database should not get corrupted in case of bad crash timing, …
Post: Make your file system error resilient
August 24, 2011 By 8 Comments
…they find more permanent solution. Maximum mount count: -1 and Check interval: 0 () These corresponds to …server and expecting it to be back in 5 minutes yet it takes 30+ because it …data partition and just check it manually as needed, same as you would every so often check MySQL tables for corruption…
