做集群，主库执行
backup database '/data/dmdba/dm/dbdata/dmdata/DMDB/dm.ini' backupset '/data/dmdba/dm/dbbak/dmbak/bakfull';
没问题

备库执行
restore database '/data/dmdba/dm/dbdata/dmdata/DMDB/dm.ini' from backupset '/data/dmdba/dm/dbbak/dmbak/bakfull';
报错