在通过RMAN将数据库恢复到同类机异机的时候，restore spfile一直报RMAN-06172: no AUTOBACKUP found or specified handle is not a valid copy or piece
RMAN> restore spfile from '/tmp/bak/db_14_1_928703445';
Starting restore at 24-NOV-16
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=18 device type=DISK
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========