[每日一题] 11gOCP 1z0-053 :2013-10-15 duplexing of the backups(二)
/system01.dbf
2 710 SYSAUX *** /u01/app/oracle/oradata/ocm/sysaux01.dbf
3 110 UNDOTBS1 *** /u01/app/oracle/oradata/ocm/undotbs01.dbf
4 5 USERS *** /u01/app/oracle/oradata/ocm/users01.dbf
5 345 EXAMPLE *** /u01/app/oracle/oradata/ocm/example01.dbf
6 100 GYJ *** /u01/app/oracle/oradata/ocm/gyj01.dbf
7 50 GYJ *** /u01/app/oracle/oradata/ocm/gyj02.dbf
8 10 TP1 *** /u01/app/oracle/oradata/ocm/tp01.dbf
9 10 MRKT *** /u01/app/oracle/oradata/ocm/mrkt01.dbf
10 100 TP2 *** /u01/app/oracle/oradata/ocm/tp2.dbf
List of Temporary Files
=======================
File Size(MB) Tablespace Maxsize(MB) Tempfile Name
---- -------- -------------------- ----------- --------------------
1 20 TEMP 32767 /u01/app/oracle/oradata/ocm/temp01.dbf
2 10 TEMP1 10 /u01/app/oracle/oradata/ocm/temp02.dbf
3 10 TEMP4 10 /u01/app/oracle/oradata/ocm/temp04.dbf
RMAN>
backup datafile 10 format '/backup/disk1/%U','/backup/disk2/%U';
Starting backup at 16-OCT-13
using channel ORA_DISK_1
channel ORA_DISK_1: starting full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
input datafile file number=00010 name=/u01/app/oracle/oradata/ocm/tp2.dbf
channel ORA_DISK_1: starting piece 1 at 16-OCT-13
channel ORA_DISK_1: finished piece 1 at 16-OCT-13 with 2 copies and tag TAG20131016T001426
piece handle=/backup/disk1/1gomgmj2_1_1 comment=NONE
piece handle=/backup/disk2/1gomgmj2_1_2 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
Finished backup at 16-OCT-13
Starting Control File and SPFILE Autobackup at 16-OCT-13
piece handle=/backup/rman/c-2206937749-20131016-00 comment=NONE
Finished Control File and SPFILE Autobackup at 16-OCT-13
答案D正确，多路复制可以备份在磁盘或着磁带上，但是不能同时备份在磁盘和着磁带上。