Example:
190128 09:34:42 [02] ...done 190128 09:34:42 [02] Moving ./xtrabackup_master_key_id to /home/krunal.bauskar/percona-xtradb-cluster/target/PXC/mysql-test/var/1/mysqld.2/data//xtrabackup_master_key_id 190128 09:34:42 [02] ...done 190128 09:34:42 [02] Moving ./ib_buffer_pool to /home/krunal.bauskar/percona-xtradb-cluster/target/PXC/mysql-test/var/1/mysqld.2/data//ib_buffer_pool 190128 09:34:42 [02] ...done Error: copy-back thread 0 failed.
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