We are in the process of setting up data at rest encryption encryption with MariaDB 10.1.13 so we can encrypt specific table. This works without any problem however when I try and backup with Percona Xtrabackup it fails saying table appears to be corrupted:

60601 14:53:46 [01] ...done

160601 14:53:46 [01] Streaming ./mytest/customers_big.ibd

[01] xtrabackup: Database page corruption detected at page 1, retrying...

160601 14:53:46 >> log scanned up to (3146117051)

[01] xtrabackup: Database page corruption detected at page 1, retrying...

[01] xtrabackup: Error: failed to read page after 10 retries. File ./mytest/customers_big.ibd seems to be corrupted.

[01] xtrabackup: Error: xtrabackup_copy_datafile() failed.

[01] xtrabackup: Error: failed to copy datafile.