os : Redhat5.5

db：Oracle 11.2.0.1

问题：备份策略，把当天备份的备份集删除了！有遇到过这问题的吗？

贴下rman脚本，以及日志

--保留策略为7天

using target database control file instead of recovery catalog

RMAN configuration parameters for database with db_unique_name HNCCS_PR are:

CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS;

CONFIGURE BACKUP OPTIMIZATION OFF; # default

CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default

CONFIGURE CONTROLFILE AUTOBACKUP OFF; # default

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/oracle/product/11.2.0/db_1/dbs/snapcf_hnccs.f'; # default

--备份脚本

[oracle@ccsdb1 run]$ cat rman_bak.sh

#!/bin/bash

export ORACLE_BASE=/u01/oracle

export ORACLE_HOME=$ORACLE_BASE/product/11.2.0/db_1

export ORACLE_SID=hnccs

export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$ORACLE_HOME/lib

export PATH=$ORACLE_HOME/bin:$PATH

WEEK_DAILY=`date +%a`

BAK_LEVEL=0

# echo $week_day

case "$WEEK_DAILY" in

"Mon")

BAK_LEVEL=2

;;

"Tue")

BAK_LEVEL=2

;;

"Wed")

BAK_LEVEL=2

;;

"Thu")

BAK_LEVEL=1

;;

"Fri")

BAK_LEVEL=2

;;

"Sat")

BAK_LEVEL=2

;;

"Sun")

BAK_LEVEL=0

;;

"*")

BAK_LEVEL=error

esac

rman target /  log=/syjkccs/log/rman_log/log_`date +%Y%m%d%H%M`.log  <

run

{

allocate channel c1 type disk;

allocate channel c2 type disk;

allocate channel c3 type disk;

backup as compressed backupset incremental level $BAK_LEVEL filesperset 5 database format '/backup/

bak_lev"$BAK_LEVEL"_%U_%T';

sql 'alter system archive log current';

backup  filesperset 20 archivelog all  tag='arc_bak' format '/backup/arch_lev"$BAK_LEVEL"_%U_%T';

backup current controlfile tag='ctl_bak' format '/backup/ctl_lev"$BAK_LEVEL"_%U_%T';

backup spfile tag='spfile' format '/backup/spfile_lev"$BAK_LEVEL"_%U_%T';

release channel c1;

release channel c2;

release channel c3;

}

delete noprompt obsolete;

crosscheck archivelog all;

delete noprompt archivelog until time 'sysdate-5';

EOF

exit

--日志中删除当日备份的记录(日志太长了，只贴出了删除过期备份的一部分)

RMAN>

RMAN>

RMAN retention policy will be applied to the command

RMAN retention policy is set to recovery window of 7 days

allocated channel: ORA_DISK_1

channel ORA_DISK_1: SID=819 device type=DISK

Deleting the following obsolete backups and copies:

Type                 Key    Completion Time    Filename/Handle

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

Backup Set           61     10-JUL-13

Backup Piece       61     10-JUL-13          /backup/ctl_lev"2"_22oebs6b_1_1_20130710

Backup Set           64     11-JUL-13

Backup Piece       64     11-JUL-13          /backup/bak_lev"1"_27oeega1_1_1_20130711

Backup Set           142    18-JUL-13

Backup Piece       142    18-JUL-13          /backup/bak_lev"1"_4lof0utp_1_1_20130718

Backup Set           150    18-JUL-13

Backup Piece       150    18-JUL-13          /backup/spfile_lev"1"_4rof0v8p_1_1_20130718

deleted backup piece

backup piece handle=/backup/ctl_lev"2"_22oebs6b_1_1_20130710 RECID=61 STAMP=820375756

deleted backup piece

backup piece handle=/backup/bak_lev"1"_27oeega1_1_1_20130711 RECID=64 STAMP=820461890

deleted backup piece

backup piece handle=/backup/bak_lev"1"_4lof0utp_1_1_20130718 RECID=142 STAMP=821066681

deleted backup piece

backup piece handle=/backup/spfile_lev"1"_4rof0v8p_1_1_20130718 RECID=150 STAMP=821067033

Deleted 4 objects

----这里可以看出来，删除了日期为20130718的备份，在系统上也查看了不存在这几个备份集