CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS;
执行如下命令:
crosscheck backup;
有很多过期的备份文件显示
RMAN> crosscheck backup;
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=2005 devtype=DISK
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=/oraback/ARSHD/backup_rman/ARS_L0_20140810_qqpfj98m_1_1 recid=556146 stamp=855221538
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=/oraback/ARSHD/backup_rman/ARS_L0_20140810_qrpfj98r_1_1 recid=556147 stamp=855221538
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=/oraback/ARSHD/backup_rman/ARS_L0_20140810_qopfj98j_1_1 recid=556148 stamp=855221530
delete noprompt obsolete;
删除成功
可下次再执行上面的命令的时候,那些过期文件还会显示,而显示的这些文件早就手工从OS层面删除。
WHY?
收起