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
Explanation:
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_1channel 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;
