RMAN> restore standby controlfile from '/rman_backup/standby_0buk5kcb_1_1.ctl';

Starting restore at 2019/12/23 18:02:52
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=135 device type=DISK

RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of restore command at 12/23/2019 18:03:28
RMAN-06172: no AUTOBACKUP found or specified handle is not a valid copy or piece

rman恢复的时候报如上错,no AUTOBACKUP found or specified handle is not a valid copy or piece,是因为该文件的权限不是oracle:oinstall导致,修改正确就不会报错了