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So I had a very large corrupt innodb table. mysqld would crash whenever I did a check table on it. I did a innodb-force-recovery=1 and did a dump of the table. No errors showed up.

I dropped the table and attempted to restore.. 20% into it mysqld crashes;

InnoDB: Wrong owned count 15, 2, rec 4010
120203 22:01:07  InnoDB: Page dump in ascii and hex (16384 bytes):
len 16384; hex       737f2bb.....

... ..

120203 22:01:07  InnoDB: Page checksum 1937714109, prior-to-4.0.14-form checksum 2715118693
InnoDB: stored checksum 1937714109, prior-to-4.0.14-form stored checksum 2715118693
InnoDB: Page lsn 229 2169122954, low 4 bytes of lsn at page end 2169122954
InnoDB: Page number (if stored to page already) 283815,
InnoDB: space id (if created with >= MySQL-4.1.1 and stored already) 994
InnoDB: Page may be an index page where index id is 0 4660
InnoDB: (index "fact_fiscalYearLabel" of table "mycompany_staging"."Fact")
120203 22:01:07  InnoDB: Apparent corruption of an index page n:o 283815 in space 994

I thought dumping a table successfully then restoring from it should clear the corruption? why is it still corrupted and I cannot restore it?


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1 Answer 1

Try to do a memory check first. If that passes, upgrade mysql.. there are several innodb bugs that can cause that.

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this is on a cloud host cannot do a memory check. also it is the latest version of mysql available in the Ubuntu 10.04 release. –  John Ingles Feb 4 '12 at 4:20

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