xtrabackup_56 defaults to innodb_checksum_algorithm=crc32

Reported by Alexey Kopytov on 2013-11-03
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Percona XtraBackup
Status tracked in 2.2
2.0
High
Alexey Kopytov
2.1
High
Alexey Kopytov
2.2
High
Alexey Kopytov

Bug Description

xtrabackup_56 uses 0 (i.e. SRV_CHECKSUM_ALGORITHM_CRC32) as the default value for srv_checksum_algorithm. This only works because InnoDB allows both 'traditional' and CRC32 checksums in this case at the cost of slower page validation (since both checksums have to be calculated to validate a page with a different algorithm value).

This will fail if innodb_checksum_algorithm is changed to strict_innodb after a restore.

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