手动删除RMAN备份的方法
查询
RMAN> list backup; using target database control file instead of recovery catalog List of Backup Sets =================== BS Key Type LV Size Device Type Elapsed Time Completion Time ------- ---- -- ---------- ----------- ------------ --------------- 37 Full 9.33M DISK 00:00:00 29-MAY-15 BP Key: 37 Status: AVAILABLE Compressed: NO Tag: TAG20150529T135312 Piece Name: /home/oracle/backup/20150529135121/ZGW_cntrl_42_1_42 Control File Included: Ckp SCN: 1088993 Ckp time: 29-MAY-15 BS Key Type LV Size Device Type Elapsed Time Completion Time ------- ---- -- ---------- ----------- ------------ --------------- 38 Full 592.95M DISK 00:00:00 29-MAY-15 BP Key: 38 Status: AVAILABLE Compressed: NO Tag: TAG20150529T135134 Piece Name: /home/oracle/backup/20150529135121/ZGW_20150529_18q85g77_1_1 List of Datafiles in backup set 38 File LV Type Ckp SCN Ckp Time Name ---- -- ---- ---------- --------- ---- 1 Full 1088865 29-MAY-15 /opt/oracle/oradata/zgw/system01.dbf 4 Full 1088865 29-MAY-15 /opt/oracle/oradata/zgw/users01.dbf BS Key Type LV Size Device Type Elapsed Time Completion Time ------- ---- -- ---------- ----------- ------------ --------------- 39 Full 80.00K DISK 00:00:00 29-MAY-15 BP Key: 39 Status: AVAILABLE Compressed: NO Tag: TAG20150529T135318 Piece Name: /home/oracle/backup/20150529135121/%_spfile_1bq85gae_1_1.bak SPFILE Included: Modification time: 29-MAY-15 SPFILE db_unique_name: ZGW BS Key Type LV Size Device Type Elapsed Time Completion Time ------- ---- -- ---------- ----------- ------------ --------------- 40 Full 398.51M DISK 00:00:00 29-MAY-15 BP Key: 40 Status: AVAILABLE Compressed: NO Tag: TAG20150529T135134 Piece Name: /home/oracle/backup/20150529135121/ZGW_20150529_19q85g78_1_1 List of Datafiles in backup set 40 File LV Type Ckp SCN Ckp Time Name ---- -- ---- ---------- --------- ---- 2 Full 1088866 29-MAY-15 /opt/oracle/oradata/zgw/sysaux01.dbf 3 Full 1088866 29-MAY-15 /opt/oracle/oradata/zgw/undotbs01.dbf BS Key Size Device Type Elapsed Time Completion Time ------- ---------- ----------- ------------ --------------- 41 1.50M DISK 00:00:00 29-MAY-15 BP Key: 41 Status: AVAILABLE Compressed: NO Tag: TAG20150529T135320 Piece Name: /home/oracle/backup/20150529135121/ZGW_arc_880984400_44 List of Archived Logs in backup set 41 Thrd Seq Low SCN Low Time Next SCN Next Time ---- ------- ---------- --------- ---------- --------- 1 18 1087129 29-MAY-15 1088858 29-MAY-15 BS Key Size Device Type Elapsed Time Completion Time ------- ---------- ----------- ------------ --------------- 42 723.50K DISK 00:00:00 29-MAY-15 BP Key: 42 Status: AVAILABLE Compressed: NO Tag: TAG20150529T135320 Piece Name: /home/oracle/backup/20150529135121/ZGW_arc_880984401_45 List of Archived Logs in backup set 42 Thrd Seq Low SCN Low Time Next SCN Next Time ---- ------- ---------- --------- ---------- --------- 1 19 1088858 29-MAY-15 1089038 29-MAY-15
指定备份片序号删除
RMAN> delete backupset 37,38; allocated channel: ORA_DISK_1 channel ORA_DISK_1: SID=36 device type=DISK List of Backup Pieces BP Key BS Key Pc# Cp# Status Device Type Piece Name ------- ------- --- --- ----------- ----------- ---------- 37 37 1 1 AVAILABLE DISK /home/oracle/backup/20150529135121/ZGW_cntrl_42_1_42 38 38 1 1 AVAILABLE DISK /home/oracle/backup/20150529135121/ZGW_20150529_18q85g77_1_1 Do you really want to delete the above objects (enter YES or NO)? y deleted backup piece backup piece handle=/home/oracle/backup/20150529135121/ZGW_cntrl_42_1_42 RECID=37 STAMP=880985777 deleted backup piece backup piece handle=/home/oracle/backup/20150529135121/ZGW_20150529_18q85g77_1_1 RECID=38 STAMP=880985777 Deleted 2 objects
操作系统命令删除后
[oracle@Oracle11_2 20150529135121]$ ls backupall_20150529135121.log %_spfile_1bq85gae_1_1.bak ZGW_20150529_19q85g78_1_1 ZGW_arc_880984400_44 ZGW_arc_880984401_45 [oracle@Oracle11_2 20150529135121]$ rm ZGW_* [oracle@Oracle11_2 20150529135121]$ ls backupall_20150529135121.log %_spfile_1bq85gae_1_1.bak [oracle@Oracle11_2 20150529135121]$
查询
RMAN> list backup; List of Backup Sets =================== BS Key Type LV Size Device Type Elapsed Time Completion Time ------- ---- -- ---------- ----------- ------------ --------------- 39 Full 80.00K DISK 00:00:00 29-MAY-15 BP Key: 39 Status: AVAILABLE Compressed: NO Tag: TAG20150529T135318 Piece Name: /home/oracle/backup/20150529135121/%_spfile_1bq85gae_1_1.bak SPFILE Included: Modification time: 29-MAY-15 SPFILE db_unique_name: ZGW BS Key Type LV Size Device Type Elapsed Time Completion Time ------- ---- -- ---------- ----------- ------------ --------------- 40 Full 398.51M DISK 00:00:00 29-MAY-15 BP Key: 40 Status: AVAILABLE Compressed: NO Tag: TAG20150529T135134 Piece Name: /home/oracle/backup/20150529135121/ZGW_20150529_19q85g78_1_1 List of Datafiles in backup set 40 File LV Type Ckp SCN Ckp Time Name ---- -- ---- ---------- --------- ---- 2 Full 1088866 29-MAY-15 /opt/oracle/oradata/zgw/sysaux01.dbf 3 Full 1088866 29-MAY-15 /opt/oracle/oradata/zgw/undotbs01.dbf BS Key Size Device Type Elapsed Time Completion Time ------- ---------- ----------- ------------ --------------- 41 1.50M DISK 00:00:00 29-MAY-15 BP Key: 41 Status: AVAILABLE Compressed: NO Tag: TAG20150529T135320 Piece Name: /home/oracle/backup/20150529135121/ZGW_arc_880984400_44 List of Archived Logs in backup set 41 Thrd Seq Low SCN Low Time Next SCN Next Time ---- ------- ---------- --------- ---------- --------- 1 18 1087129 29-MAY-15 1088858 29-MAY-15 BS Key Size Device Type Elapsed Time Completion Time ------- ---------- ----------- ------------ --------------- 42 723.50K DISK 00:00:00 29-MAY-15 BP Key: 42 Status: AVAILABLE Compressed: NO Tag: TAG20150529T135320 Piece Name: /home/oracle/backup/20150529135121/ZGW_arc_880984401_45 List of Archived Logs in backup set 42 Thrd Seq Low SCN Low Time Next SCN Next Time ---- ------- ---------- --------- ---------- --------- 1 19 1088858 29-MAY-15 1089038 29-MAY-15
检查并删除
RMAN> crosscheck backup; --检查备份物理文件状态 using channel ORA_DISK_1 crosschecked backup piece: found to be 'AVAILABLE' backup piece handle=/home/oracle/backup/20150529135121/%_spfile_1bq85gae_1_1.bak RECID=39 STAMP=880985777 crosschecked backup piece: found to be 'EXPIRED' backup piece handle=/home/oracle/backup/20150529135121/ZGW_20150529_19q85g78_1_1 RECID=40 STAMP=880985777 crosschecked backup piece: found to be 'EXPIRED' backup piece handle=/home/oracle/backup/20150529135121/ZGW_arc_880984400_44 RECID=41 STAMP=880985777 crosschecked backup piece: found to be 'EXPIRED' backup piece handle=/home/oracle/backup/20150529135121/ZGW_arc_880984401_45 RECID=42 STAMP=880985777 Crosschecked 4 objects RMAN> list expired backup; --查看检查结果 List of Backup Sets =================== BS Key Type LV Size Device Type Elapsed Time Completion Time ------- ---- -- ---------- ----------- ------------ --------------- 40 Full 398.51M DISK 00:00:00 29-MAY-15 BP Key: 40 Status: EXPIRED Compressed: NO Tag: TAG20150529T135134 Piece Name: /home/oracle/backup/20150529135121/ZGW_20150529_19q85g78_1_1 List of Datafiles in backup set 40 File LV Type Ckp SCN Ckp Time Name ---- -- ---- ---------- --------- ---- 2 Full 1088866 29-MAY-15 /opt/oracle/oradata/zgw/sysaux01.dbf 3 Full 1088866 29-MAY-15 /opt/oracle/oradata/zgw/undotbs01.dbf BS Key Size Device Type Elapsed Time Completion Time ------- ---------- ----------- ------------ --------------- 41 1.50M DISK 00:00:00 29-MAY-15 BP Key: 41 Status: EXPIRED Compressed: NO Tag: TAG20150529T135320 Piece Name: /home/oracle/backup/20150529135121/ZGW_arc_880984400_44 List of Archived Logs in backup set 41 Thrd Seq Low SCN Low Time Next SCN Next Time ---- ------- ---------- --------- ---------- --------- 1 18 1087129 29-MAY-15 1088858 29-MAY-15 BS Key Size Device Type Elapsed Time Completion Time ------- ---------- ----------- ------------ --------------- 42 723.50K DISK 00:00:00 29-MAY-15 BP Key: 42 Status: EXPIRED Compressed: NO Tag: TAG20150529T135320 Piece Name: /home/oracle/backup/20150529135121/ZGW_arc_880984401_45 List of Archived Logs in backup set 42 Thrd Seq Low SCN Low Time Next SCN Next Time ---- ------- ---------- --------- ---------- --------- 1 19 1088858 29-MAY-15 1089038 29-MAY-15 RMAN> delete expired backup; --删除状态为expired的备份，expired是指物理文件不存在的备份集，obsolete指过期的备份集 using channel ORA_DISK_1 List of Backup Pieces BP Key BS Key Pc# Cp# Status Device Type Piece Name ------- ------- --- --- ----------- ----------- ---------- 40 40 1 1 EXPIRED DISK /home/oracle/backup/20150529135121/ZGW_20150529_19q85g78_1_1 41 41 1 1 EXPIRED DISK /home/oracle/backup/20150529135121/ZGW_arc_880984400_44 42 42 1 1 EXPIRED DISK /home/oracle/backup/20150529135121/ZGW_arc_880984401_45 Do you really want to delete the above objects (enter YES or NO)? y deleted backup piece backup piece handle=/home/oracle/backup/20150529135121/ZGW_20150529_19q85g78_1_1 RECID=40 STAMP=880985777 deleted backup piece backup piece handle=/home/oracle/backup/20150529135121/ZGW_arc_880984400_44 RECID=41 STAMP=880985777 deleted backup piece backup piece handle=/home/oracle/backup/20150529135121/ZGW_arc_880984401_45 RECID=42 STAMP=880985777 Deleted 3 EXPIRED objects
delete expired backup 与 delete obsolete 比较。
RMAN> list backup; List of Backup Sets =================== BS Key Type LV Size Device Type Elapsed Time Completion Time ------- ---- -- ---------- ----------- ------------ --------------- 39 Full 80.00K DISK 00:00:00 29-MAY-15 BP Key: 39 Status: AVAILABLE Compressed: NO Tag: TAG20150529T135318 Piece Name: /home/oracle/backup/20150529135121/%_spfile_1bq85gae_1_1.bak SPFILE Included: Modification time: 29-MAY-15 SPFILE db_unique_name: ZGW RMAN> crosscheck backup; using channel ORA_DISK_1 crosschecked backup piece: found to be 'EXPIRED' backup piece handle=/home/oracle/backup/20150529135121/%_spfile_1bq85gae_1_1.bak RECID=39 STAMP=880985777 Crosschecked 1 objects RMAN> delete obsolete; --只能删除过期备份 RMAN retention policy will be applied to the command RMAN retention policy is set to recovery window of 7 days using channel ORA_DISK_1 no obsolete backups found RMAN> delete expired backup; --只能删除物理不存在的备份记录 using channel ORA_DISK_1 List of Backup Pieces BP Key BS Key Pc# Cp# Status Device Type Piece Name ------- ------- --- --- ----------- ----------- ---------- 39 39 1 1 EXPIRED DISK /home/oracle/backup/20150529135121/%_spfile_1bq85gae_1_1.bak Do you really want to delete the above objects (enter YES or NO)? y deleted backup piece backup piece handle=/home/oracle/backup/20150529135121/%_spfile_1bq85gae_1_1.bak RECID=39 STAMP=880985777 Deleted 1 EXPIRED objects
