@Tomasz,
This is due to https://bugs.launchpad.net/percona-xtradb-cluster/+bug/1222122
It has been documented now here http://www.percona.com/doc/percona-xtradb-cluster/errata.html#incompatibilities
as well as here http://www.percona.com/doc/percona-xtradb-cluster/manual/xtrabackup_sst.html
@Tomasz,
This is due to https:/ /bugs.launchpad .net/percona- xtradb- cluster/ +bug/1222122
It has been documented now here http:// www.percona. com/doc/ percona- xtradb- cluster/ errata. html#incompatib ilities
as well as here http:// www.percona. com/doc/ percona- xtradb- cluster/ manual/ xtrabackup_ sst.html