586.Consider the following command:
Backup database plus archivelog delete input;
How many backup sets would be created by this command if the following were true:
Control-file auto backups were enabled.
The size of backup sets was not restricted.
One channel was allocated.
A. 1
B. 2
C. 3
D. 4
E. 5
Answer: D
答案解析：
RMAN> show all;
RMAN configuration parameters for database with db_unique_name TESTDB are:
CONFIGURE RETENTION POLICY TO REDUNDANCY 1; # default
CONFIGURE BACKUP OPTIMIZATION OFF; # default
CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default
CONFIGURE CONTROLFILE AUTOBACKUP ON;
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '%F'; # default
CONFIGURE DEVICE TYPE DISK PARALLELISM 1 BACKUP TYPE TO BACKUPSET; # default
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE MAXSETSIZE TO UNLIMITED; # default
CONFIGURE ENCRYPTION FOR DATABASE OFF; # default
CONFIGURE ENCRYPTION ALGORITHM 'AES128'; # default
CONFIGURE COMPRESSION ALGORITHM 'BASIC' AS OF RELEASE 'DEFAULT' OPTIMIZE FOR LOAD TRUE ; # default
CONFIGURE ARCHIVELOG DELETION POLICY TO NONE; # default
CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/u01/app/oracle/product/11.2.0/dbhome_1/dbs/snapcf_testdb.f'; # default
RMAN> Backup database plus archivelog delete input;
Starting backup at 19-DEC-13
current log archived
using channel ORA_DISK_1
channel ORA_DISK_1: starting archived log backup set
channel ORA_DISK_1: specifying archived log(s) in backup set
input archived log thread=1 sequence=10 RECID=5 STAMP=834597174
input archived log thread=1 sequence=11 RECID=6 STAMP=834597417
channel ORA_DISK_1: starting piece 1 at 19-DEC-13
channel ORA_DISK_1: finished piece 1 at 19-DEC-13
piece handle=/u01/app/oracle/fast_recovery_area/TESTDB/backupset/2013_12_19/o1_mf_annnn_TAG20131219T163657_9c5d1bn3_.bkp tag=TAG20131219T163657 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:03
channel ORA_DISK_1: deleting archived log(s)
archived log file name=/u01/app/oracle/fast_recovery_area/TESTDB/archivelog/2013_12_19/o1_mf_1_10_9c5csl13_.arc RECID=5 STAMP=834597174
archived log file name=/u01/app/oracle/fast_recovery_area/TESTDB/archivelog/2013_12_19/o1_mf_1_11_9c5d19cn_.arc RECID=6 STAMP=834597417
Finished backup at 19-DEC-13
Starting backup at 19-DEC-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=00001 name=/u01/app/oracle/oradata/testdb/system01.dbf
input datafile file number=00002 name=/u01/app/oracle/oradata/testdb/sysaux01.dbf
input datafile file number=00005 name=/u01/app/oracle/oradata/testdb/example01.dbf
input datafile file number=00003 name=/u01/app/oracle/oradata/testdb/undotbs01.dbf
input datafile file number=00004 name=/u01/app/oracle/oradata/testdb/users01.dbf
channel ORA_DISK_1: starting piece 1 at 19-DEC-13
channel ORA_DISK_1: finished piece 1 at 19-DEC-13
piece handle=/u01/app/oracle/fast_recovery_area/TESTDB/backupset/2013_12_19/o1_mf_nnndf_TAG20131219T163703_9c5d1j8c_.bkp tag=TAG20131219T163703 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:02:05
Finished backup at 19-DEC-13
Starting backup at 19-DEC-13
current log archived
using channel ORA_DISK_1
channel ORA_DISK_1: starting archived log backup set
channel ORA_DISK_1: specifying archived log(s) in backup set
input archived log thread=1 sequence=12 RECID=7 STAMP=834597550
channel ORA_DISK_1: starting piece 1 at 19-DEC-13
channel ORA_DISK_1: finished piece 1 at 19-DEC-13
piece handle=/u01/app/oracle/fast_recovery_area/TESTDB/backupset/2013_12_19/o1_mf_annnn_TAG20131219T163911_9c5d5hlk_.bkp tag=TAG20131219T163911 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
channel ORA_DISK_1: deleting archived log(s)
archived log file name=/u01/app/oracle/fast_recovery_area/TESTDB/archivelog/2013_12_19/o1_mf_1_12_9c5d5g7r_.arc RECID=7 STAMP=834597550
Finished backup at 19-DEC-13
Starting Control File and SPFILE Autobackup at 19-DEC-13
piece handle=/u01/app/oracle/fast_recovery_area/TESTDB/autobackup/2013_12_19/o1_mf_s_834597553_9c5d5lz1_.bkp comment=NONE
Finished Control File and SPFILE Autobackup at 19-DEC-13
RMAN> list backup;
List of Backup Sets
===================
BS Key Size Device Type Elapsed Time Completion Time
------- ---------- ----------- ------------ ---------------
5 32.68M DISK 00:00:02 19-DEC-13
BP Key: 5 Status: AVAILABLE Compressed: NO Tag: TAG20131219T163657
Piece Name: /u01/app/oracle/fast_recovery_area/TESTDB/backupset/2013_12_19/o1_mf_annnn_TAG20131219T163657_9c5d1bn3_.bkp
List of Archived Logs in backup set 5
Thrd Seq Low SCN Low Time Next SCN Next Time
---- ------- ---------- --------- ---------- ---------
1 10 736975 19-DEC-13 759987 19-DEC-13
1 11 759987 19-DEC-13 760624 19-DEC-13
BS Key Type LV Size Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
6 Full 1.17G DISK 00:01:59 19-DEC-13
BP Key: 6 Status: AVAILABLE Compressed: NO Tag: TAG20131219T163703
Piece Name: /u01/app/oracle/fast_recovery_area/TESTDB/backupset/2013_12_19/o1_mf_nnndf_TAG20131219T163703_9c5d1j8c_.bkp
List of Datafiles in backup set 6
File LV Type Ckp SCN Ckp Time Name
---- -- ---- ---------- --------- ----
1 Full 760633 19-DEC-13 /u01/app/oracle/oradata/testdb/system01.dbf
2 Full 760633 19-DEC-13 /u01/app/oracle/oradata/testdb/sysaux01.dbf
3 Full 760633 19-DEC-13 /u01/app/oracle/oradata/testdb/undotbs01.dbf
4 Full 760633 19-DEC-13 /u01/app/oracle/oradata/testdb/users01.dbf
5 Full 760633 19-DEC-13 /u01/app/oracle/oradata/testdb/example01.dbf
BS Key Size Device Type Elapsed Time Completion Time
------- ---------- ----------- ------------ ---------------
7 19.00K DISK 00:00:00 19-DEC-13
BP Key: 7 Status: AVAILABLE Compressed: NO Tag: TAG20131219T163911
Piece Name: /u01/app/oracle/fast_recovery_area/TESTDB/backupset/2013_12_19/o1_mf_annnn_TAG20131219T163911_9c5d5hlk_.bkp
List of Archived Logs in backup set 7
Thrd Seq Low SCN Low Time Next SCN Next Time
---- ------- ---------- --------- ---------- ---------
1 12 760624 19-DEC-13 760709 19-DEC-13
BS Key Type LV Size Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
8 Full 9.36M DISK 00:00:02 19-DEC-13
BP Key: 8 Status: AVAILABLE Compressed: NO Tag: TAG20131219T163913
Piece Name: /u01/app/oracle/fast_recovery_area/TESTDB/autobackup/2013_12_19/o1_mf_s_834597553_9c5d5lz1_.bkp
SPFILE Included: Modification time: 19-DEC-13
SPFILE db_unique_name: TESTDB
Control File Included: Ckp SCN: 760721 Ckp time: 19-DEC-13