check
RMAN> crosscheck backup; 核对所有备份集
RMAN> crosscheck backup of database; 核对所有数据文件的备份集
RMAN> crosscheck backup of tablespace MMSG; 核对特定表空间的备份集
RMAN> crosscheck backup of datafile 4; 核对特定数据文件的备份集
RMAN> crosscheck backup of controlfile; 核对控制文件的备份集
RMAN> crosscheck backup of spfile; 核对SPFILE的备份集
RMAN> crosscheck backup of archivelog sequence 3; 核对归档
日志的备份集
RMAN> crosscheck copy; 核对所有映像副本
RMAN> crosscheck copy of database; 核对所有数据文件的映像副本
RMAN> crosscheck copy of tablespace MMSG; 核对特定表空间的映像副本
RMAN> crosscheck copy of datafile 6; 核对特定数据文件的映像副本
RMAN> crosscheck copy of archivelog sequence 4; 核对归档日志的映像副本
RMAN> crosscheck copy of controlfile; 核对控制文件的映像副本
RMAN> crosscheck backup tag='SAT_BACKUP';
RMAN> crosscheck backup completed after 'sysdate - 2';
RMAN> crosscheck backup completed between 'sysdate - 5' and 'sysdate -2 ';
RMAN> crosscheck backup device type sbt;
RMAN> crosscheck archivelog all;
RMAN> crosscheck archivelog like '%ARC00012.001';
RMAN> crosscheck archivelog from sequence 12;
RMAN> crosscheck archivelog until sequence 522;
