This release is the current GA (Generally Available) stable release in the 2.1 series. Percona XtraBackup is an open source, free MySQL hot backup software that performs non-blocking backups for InnoDB and XtraDB databases. Percona XtraBackup is an open source, free MySQL hot backup software that performs non-blocking backups for InnoDB and XtraDB databases.
innobackupex --force-non-empty-directoriesoption has been implemented. When specified, it makes
innobackupex --copy-backoption or
innobackupex --move-backoption transfer files to non-empty directories. No existing files will be overwritten. If
--move-backhas to copy a file from the backup directory which already exists in the destination directory, it will still fail with an error.
innobackupex --copy-backwould fail if
innodb_data_home_diris empty. Bug fixed #1049291.
innobackupex --version-checkis now on by default. Bug fixed #1227988.
xtrabackup_slave_infofile didn’t contain any
GTIDinformation, which could cause
master_auto_positionnot to work properly. Bug fixed #1239670.
CRC32as the default checksum algorithm. This could cause error if the innodb_checksum_algorithm value was changed to
strict_innodbvalue after a restore. Bug fixed #1247586.
backup-my.cnf. This value is needed because it affects the on-disk data format. Bug fixed #1248065.
innobackupex --no-version-checkoption has been introduced to disable it. Bug fixed #1248900.
innodb_data_file_pathvariable. Bug fixed #382742.
NFSmount in some
NFSconfigurations, because it was trying to preserve file ownership. Bug fixed #943750.
mkdir(i.e. test) outside of the server which could lead to inconsistencies during the Percona XtraDB Cluster State Snapshot Transfer. Bug fixed #1217426.
my.cnf, Percona XtraBackup was unable to perform the backup. Bug fixed #1227240.
start_query_killerchild code could cause parent MySQL connection to close. Bug fixed #1239728.
Release notes with all the bugfixes for Percona XtraBackup 2.1.6 are available in our online documentation. All of Percona‘s software is open source and free, all the details of the release can be found in the 2.1.6 milestone at Launchpad. Bugs can be reported on the launchpad bug tracker.