Oracle instance started
Total System Global Area 159383552 bytes
Fixed Size 1218268 bytes
Variable Size 54528292 bytes
Database Buffers 100663296 bytes
Redo Buffers 2973696 bytes
RMAN> restore spfile from autobackup;
Starting restore at 08-DEC-11
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=36 devtype=DISK
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of restore command at 12/08/2011 20:06:44
RMAN-06495: must explicitly specify DBID with SET DBID command
RMAN> set dbid 4046377924
executing command: SET DBID
RMAN> restore spfile from autobackup;
Starting restore at 08-DEC-11
using channel ORA_DISK_1
channel ORA_DISK_1: looking for autobackup on day: 20111208
channel ORA_DISK_1: looking for autobackup on day: 20111207
channel ORA_DISK_1: looking for autobackup on day: 20111206
channel ORA_DISK_1: looking for autobackup on day: 20111205
channel ORA_DISK_1: looking for autobackup on day: 20111204
channel ORA_DISK_1: looking for autobackup on day: 20111203
channel ORA_DISK_1: looking for autobackup on day: 20111202
channel ORA_DISK_1: no autobackup in 7 days found
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of restore command at 12/08/2011 20:07:18
RMAN-06172: no autobackup found or specified handle is not a valid copy or piece
RMAN> restore spfile from '/u02/rman/ctl_c-4046377924-20111208-00';
Starting restore at 08-DEC-11
using channel ORA_DISK_1
channel ORA_DISK_1: autobackup found: /u02/rman/ctl_c-4046377924-20111208-00
channel ORA_DISK_1: SPFILE restore from autobackup complete
Finished restore at 08-DEC-11
RMAN>
pfile 从spfile create 就可以了。
========
总结： spfile 和pfile 在数据库open和shutdown 的两种情况下的恢复成功。