PTB MariaDB run failed with InnoDB: Encryption information in datafile: ./ibdata1 can't be decrypted

[ShahriyarR]

From backup log:

161227 12:24:05 >> log scanned up to (439302896)
InnoDB: Encryption information in datafile: ./ibdata1 can't be decrypted , please confirm the keyfile is match and keyring plugin is loaded.
InnoDB: Encryption information in datafile: ./ibdata1 can't be decrypted , please confirm the keyfile is match and keyring plugin is loaded.
xtrabackup: Could not open or create data files.
xtrabackup: If you tried to add new data files, and it failed here,
xtrabackup: you should now edit innodb_data_file_path in my.cnf back
xtrabackup: to what it was, and remove the new ibdata files InnoDB created
xtrabackup: in this failed attempt. InnoDB only wrote those files full of
xtrabackup: zeros, but did not yet use them in any way. But be careful: do not
xtrabackup: remove old data files which contain your precious data!
xtrabackup: error: xb_load_tablespaces() failed witherror code 39

[RoelVdP]

This is an interesting issue. Did you find the underlaying cause?

[ShahriyarR]

Well, based on discussion with Sergei -> "It seems to be that MD using some flags, which mysql using differently"
If MD support with PXB will prioritize, issues will be fixed as well. But for now, it is not in plan.