备份数据库注意事项：

1.备份的位置

2.是否使用FRA

3.备份位置的权限和空间

 

 

数据库备份

 

1.备份整个数据库 

RMAN> backup database plus archivelog delete input;

Starting backup at 07-SEP-18 --备份日期

current log archived         --归档？

using target database control file instead of recovery catalog

allocated channel: ORA_DISK_1

channel ORA_DISK_1: SID=931 device type=DISK

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=123 RECID=117 STAMP=986199636

channel ORA_DISK_1: starting piece 1 at 07-SEP-18

channel ORA_DISK_1: finished piece 1 at 07-SEP-18

piece handle=/u01/FRA/OCP/backupset/2018_09_07/o1_mf_annnn_TAG20180907T082036_fs4v8o8c_.bkp tag=TAG20180907T082036 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/FRA/OCP/archivelog/2018_09_07/o1_mf_1_123_fs4v8nfh_.arc RECID=117 STAMP=986199636

Finished backup at 07-SEP-18

Starting backup at 07-SEP-18

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/OCP/datafile/o1_mf_system_fb8w44fm_.dbf

input datafile file number=00003 name=/u01/app/oracle/oradata/OCP/datafile/o1_mf_undotbs1_fb8w44gd_.dbf

input datafile file number=00004 name=/u01/app/oracle/oradata/OCP/datafile/o1_mf_users_fb8w44gz_.dbf

input datafile file number=00002 name=/u01/app/oracle/oradata/OCP/datafile/o1_mf_sysaux_fb8w44g7_.dbf

input datafile file number=00005 name=/u01/app/oracle/oradata/OCP/datafile/o1_mf_example_fb8w6fnx_.dbf

channel ORA_DISK_1: starting piece 1 at 07-SEP-18

channel ORA_DISK_1: finished piece 1 at 07-SEP-18

piece handle=/u01/FRA/OCP/backupset/2018_09_07/o1_mf_nnndf_TAG20180907T082038_fs4v8q06_.bkp tag=TAG20180907T082038 comment=NONE

channel ORA_DISK_1: backup set complete, elapsed time: 00:02:35

channel ORA_DISK_1: starting full datafile backup set

channel ORA_DISK_1: specifying datafile(s) in backup set

including current control file in backup set

including current SPFILE in backup set

channel ORA_DISK_1: starting piece 1 at 07-SEP-18

channel ORA_DISK_1: finished piece 1 at 07-SEP-18

piece handle=/u01/FRA/OCP/backupset/2018_09_07/o1_mf_ncsnf_TAG20180907T082038_fs4vfmgs_.bkp tag=TAG20180907T082038 comment=NONE

channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01

Finished backup at 07-SEP-18

Starting backup at 07-SEP-18

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=124 RECID=118 STAMP=986199797

channel ORA_DISK_1: starting piece 1 at 07-SEP-18

channel ORA_DISK_1: finished piece 1 at 07-SEP-18

piece handle=/u01/FRA/OCP/backupset/2018_09_07/o1_mf_annnn_TAG20180907T082317_fs4vfogg_.bkp tag=TAG20180907T082317 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/FRA/OCP/archivelog/2018_09_07/o1_mf_1_124_fs4vfo07_.arc RECID=118 STAMP=986199797

Finished backup at 07-SEP-18

RMAN> list archivelog all;

specification does not match any archived log in the repository

 

##查看备份集的大小

RMAN> list backup of database summary;

List of Backups

===============

Key TY LV S Device Type Completion Time #Pieces #Copies Compressed Tag

------- -- -- - ----------- --------------- ------- ------- ---------- ---

4 B F A DISK 07-SEP-18 1 1 NO TAG20180907T082038

RMAN> list backup of archivelog all summary;

List of Backups

===============

Key TY LV S Device Type Completion Time #Pieces #Copies Compressed Tag

------- -- -- - ----------- --------------- ------- ------- ---------- ---

1 B A A DISK 07-SEP-18 1 1 NO TAG20180907T080602

3 B A A DISK 07-SEP-18 1 1 NO TAG20180907T082036

6 B A A DISK 07-SEP-18 1 1 NO TAG20180907T082317