Author: dbrecover

https://dbrecover.notion.site/Manual-de-usuario-de-DBRECOVER-FOR-MYSQL-437963d0c27d44f7a6b973a94c26a31d?pvs=4

https://dbrecover.notion.site/Manuel-de-l-utilisateur-de-DBRECOVER-FOR-MYSQL-59bbbb24908b4b54bf6023be23755939?pvs=4

PURPOSE The purpose of this document is to offer a basic guide that goes over some of the methods you can use to deal with some of the most common InnoDB corruption issues, from start to finish. It is fairly lengthy, so to skip sections, you can use your browser’s Find to search for the…

GOAL Question: What is the impact (if any) of installing virus protection software on the server where MySQL is installed and running? SOLUTION Answer: Antivirus, virus scanners, file indexing, malware scanners, and backup utilities have been known to cause a wide variety of problems with MySQL. Antivirus programs and other malware scanners may accidentally recognize…

MySQL Server crashes with message like following: InnoDB: Database page corruption on disk or a failedInnoDB: file read of page To protect data InnoDB uses checksums (stored together with pages). Whenever InnoDB reads from disk, it calculates checksum of each page and compares it with checksum loaded alongside from disk. If values are different, something really wrong…

When attempting to start MySQL after a crash – such as after a power failure, an error like the following occurs: 130227 11:54:17 InnoDB: Assertion failure in thread 4096 in file fil0fil.c line 3959InnoDB: 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,…

When attempting to use InnoDB after a recovery, the following error occurs. CHANGES This issue will usually happen after one of the following changes: CAUSE The underlying issue is that the InnoDB log files (the redo log) is out of sync with the data files. When changes are made in InnoDB they are written to…

force recovery parameter innodb_force_recovery may resolve below errors: But if innodb_force_recovery don’t work . You may try DBRECOVER for MySQL; The software directly reads data from ibd files , so it bypass any MySQL instance error. RECOVERY STEP:

After MySQL drops database the data is still on the media for a while. So you can fetch records and rebuild database with DBRECOVER. !!!caution: you should input the @@datadir directory here. pls don’t copy the @@datadir directory to any other filesystem or mount point , and use the copy one . The software need…

DROP TABLE , TRUNCATE TABLE recover process is very similar to “drop database” : https://dbrecover.com/152.html ,and easier. !!!caution: you should input the @@datadir directory here. pls don’t copy the @@datadir directory to any other filesystem or mount point , and use the copy one . The software need to scan the original filesystem or mount…