[20160728]刪除備份集問題.txt

--itpub有人問的問題，鏈接：http://www.itpub.net/thread-2064530-1-1.html

做了兩次rman 全庫備份，如何快速刪除第一次的備份？

或者做了三次全庫備份，要刪除任意一次的全庫備份，如何操作？求教

有沒有什么快速的辦法

我覺得比較好的方法是使用tag標識：

1.測試例子：

SCOTT@book> @ &r/ver1

PORT_STRING? ?? ?? ?? ?? ?? ???VERSION? ?? ???BANNER

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

x86_64/Linux 2.4.xx? ?? ?? ?? ?11.2.0.4.0? ???Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production

RMAN> backup database format '/home/oracle/backup/full0728_%U.bak' filesperset=1 tag='full0728';

RMAN> list backupset summary;

List of Backups

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

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

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

103? ???B??F??A DISK? ?? ???2016-07-28 15:47:22 1? ?? ? 1? ?? ? NO? ?? ?? ?FULL0728

104? ???B??F??A DISK? ?? ???2016-07-28 15:47:25 1? ?? ? 1? ?? ? NO? ?? ?? ?FULL0728

105? ???B??F??A DISK? ?? ???2016-07-28 15:47:30 1? ?? ? 1? ?? ? NO? ?? ?? ?FULL0728

106? ???B??F??A DISK? ?? ???2016-07-28 15:47:31 1? ?? ? 1? ?? ? NO? ?? ?? ?FULL0728

107? ???B??F??A DISK? ?? ???2016-07-28 15:47:31 1? ?? ? 1? ?? ? NO? ?? ?? ?FULL0728

108? ???B??F??A DISK? ?? ???2016-07-28 15:47:33 1? ?? ? 1? ?? ? NO? ?? ?? ?FULL0728

109? ???B??F??A DISK? ?? ???2016-07-28 15:47:34 1? ?? ? 1? ?? ? NO? ?? ?? ?FULL0728

110? ???B??F??A DISK? ?? ???2016-07-28 15:47:34 1? ?? ? 1? ?? ? NO? ?? ?? ?FULL0728

111? ???B??F??A DISK? ?? ???2016-07-28 15:47:34 1? ?? ? 1? ?? ? NO? ?? ?? ?FULL0728

$ ls -l /home/oracle/backup/

total 2743252

-rw-r----- 1 oracle oinstall 2004213760 2016-07-28 15:47:27 full0728_6mrbrdca_1_1.bak

-rw-r----- 1 oracle oinstall? ? 3104768 2016-07-28 15:47:22 full0728_6nrbrdca_1_1.bak

-rw-r----- 1 oracle oinstall??702005248 2016-07-28 15:47:24 full0728_6orbrdca_1_1.bak

-rw-r----- 1 oracle oinstall? ?72187904 2016-07-28 15:47:23 full0728_6prbrdcb_1_1.bak

-rw-r----- 1 oracle oinstall? ? 7069696 2016-07-28 15:47:31 full0728_6qrbrdce_1_1.bak

-rw-r----- 1 oracle oinstall? ? 1089536 2016-07-28 15:47:33 full0728_6rrbrdcl_1_1.bak

-rw-r----- 1 oracle oinstall? ?10190848 2016-07-28 15:47:34 full0728_6srbrdcl_1_1.bak

-rw-r----- 1 oracle oinstall? ? 1089536 2016-07-28 15:47:34 full0728_6trbrdcm_1_1.bak

-rw-r----- 1 oracle oinstall? ?? ?98304 2016-07-28 15:47:34 full0728_6urbrdcm_1_1.bak

RMAN> delete backupset tag 'FULL0728' ;

using channel ORA_DISK_1

using channel ORA_DISK_2

using channel ORA_DISK_3

List of Backup Pieces

BP Key??BS Key??Pc# Cp# Status? ?? ?Device Type Piece Name

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

104? ???103? ???1? ?1? ?AVAILABLE? ?DISK? ?? ???/home/oracle/backup/full0728_6nrbrdca_1_1.bak

105? ???104? ???1? ?1? ?AVAILABLE? ?DISK? ?? ???/home/oracle/backup/full0728_6prbrdcb_1_1.bak

106? ???105? ???1? ?1? ?AVAILABLE? ?DISK? ?? ???/home/oracle/backup/full0728_6orbrdca_1_1.bak

107? ???106? ???1? ?1? ?AVAILABLE? ?DISK? ?? ???/home/oracle/backup/full0728_6mrbrdca_1_1.bak

108? ???107? ???1? ?1? ?AVAILABLE? ?DISK? ?? ???/home/oracle/backup/full0728_6qrbrdce_1_1.bak

109? ???108? ???1? ?1? ?AVAILABLE? ?DISK? ?? ???/home/oracle/backup/full0728_6rrbrdcl_1_1.bak

110? ???109? ???1? ?1? ?AVAILABLE? ?DISK? ?? ???/home/oracle/backup/full0728_6trbrdcm_1_1.bak

111? ???110? ???1? ?1? ?AVAILABLE? ?DISK? ?? ???/home/oracle/backup/full0728_6urbrdcm_1_1.bak

112? ???111? ???1? ?1? ?AVAILABLE? ?DISK? ?? ???/home/oracle/backup/full0728_6srbrdcl_1_1.bak

Do you really want to delete the above objects (enter YES or NO)? yes

deleted backup piece

backup piece handle=/home/oracle/backup/full0728_6nrbrdca_1_1.bak RECID=104 STAMP=918402442

deleted backup piece

backup piece handle=/home/oracle/backup/full0728_6prbrdcb_1_1.bak RECID=105 STAMP=918402443

deleted backup piece

backup piece handle=/home/oracle/backup/full0728_6orbrdca_1_1.bak RECID=106 STAMP=918402442

deleted backup piece

backup piece handle=/home/oracle/backup/full0728_6mrbrdca_1_1.bak RECID=107 STAMP=918402442

deleted backup piece

backup piece handle=/home/oracle/backup/full0728_6qrbrdce_1_1.bak RECID=108 STAMP=918402446

deleted backup piece

backup piece handle=/home/oracle/backup/full0728_6rrbrdcl_1_1.bak RECID=109 STAMP=918402453

deleted backup piece

backup piece handle=/home/oracle/backup/full0728_6trbrdcm_1_1.bak RECID=110 STAMP=918402454

deleted backup piece

backup piece handle=/home/oracle/backup/full0728_6urbrdcm_1_1.bak RECID=111 STAMP=918402454

deleted backup piece

backup piece handle=/home/oracle/backup/full0728_6srbrdcl_1_1.bak RECID=112 STAMP=918402454

Deleted 9 objects

總結

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