RMAN> report obsolete;
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: report 命令 (在 08/02/2011 11:16:21 上) 失敗
RMAN-06525: 將 RMAN 保留策略設置爲無
配置保留策略
CONFIGURE RETENTION POLICY TO RECOVERY 7 DAYS;