Explanation/Reference:
Explanation:
RMAN> select name,open_mode from v$pdbs;
using target database control file instead of recovery catalogNAME OPEN_MODE
- --------- ----PDB$SEED READ ONLYORA12P1 READ WRITEORA12P2 MOUNTED
RMAN> backup tablespace ora12p2:users;
Starting backup at 31-MAR-14allocated channel: ORA_DISK_1channel ORA_DISK_1: SID=137 device type=DISKchannel ORA_DISK_1: starting full datafile backup setchannel ORA_DISK_1: specifying datafile (s) in backup setinput datafile file number=00013 name=/appl/oradata/cdbroot/ORA12C1/ F5D05369C4B23E83E0430100007F6D99/datafile/o1_mf_users_9mhr0o5l_.dbfchannel ORA_DISK_1:
starting piece 1 at 31-MAR-14channel ORA_DISK_1: finished piece 1 at 31-MAR-14piece handle=/appl/ oradata/flash_recovery/ORA12C1/F5D05369C4B23E83E0430100007F6D99/backupset/2014_03_31/ o1_mf_nnndf_TAG20140331T001832_9mhzdb6w_.bkp tag=TAG20140331T001832
comment=NONEchannel ORA_DISK_1: backup set complete, elapsed time: 00:00:01Finished backup at
31-MAR-14
Starting Control File and SPFILE Autobackup at 31-MAR-14piece handle=/appl/oradata/flash_recovery/ ORA12C1/autobackup/2014_03_31/o1_mf_s_843610715_9mhzdcv8_.bkp comment=NONEFinished Control File and SPFILE Autobackup at 31-MAR-14
RMAN>
The above example illustrates that if root container is open and in archivelog it can do the backup of tablespace whether the pdb is mounted or open.