rman的crosscheck命令

在操作系统上手动删除备份或归档，rman不会立即知晓此变更，所以需要crosscheck更新备份的状态。
手动rm归档日志
检查归档
RMAN> crosscheck archivelog all;
released channel: ORA_DISK_1
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=18 device type=DISK
validation failed for archived log
archived log file name=/home/oracle/1_62_947085344.dbf RECID=5 STAMP=950278766
validation failed for archived log
archived log file name=/home/oracle/1_63_947085344.dbf RECID=6 STAMP=950279852
validation failed for archived log
archived log file name=/home/oracle/1_64_947085344.dbf RECID=7 STAMP=950455276
validation failed for archived log
…
archived log file name=/home/oracle/1_1_950712737.dbf RECID=72 STAMP=950712738
validation succeeded for archived log
archived log file name=/home/oracle/1_2_950712737.dbf RECID=73 STAMP=950713931
Crosschecked 60 objects


删除实效归档
RMAN> delete expired archivelog all;


released channel: ORA_DISK_1
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=18 device type=DISK
List of Archived Log Copies for database with db_unique_name TEST
=====================================================================

Key     Thrd Seq     S Low Time           
------- ---- ------- - -------------------
5       1    62      X 2017-07-23 22:09:22
        Name: /home/oracle/1_62_947085344.dbf

6       1    63      X 2017-07-25 14:19:26
        Name: /home/oracle/1_63_947085344.dbf


7       1    64      X 2017-07-25 14:37:32
        Name: /home/oracle/1_64_947085344.dbf
。。。

71      1    119     X 2017-07-30 14:24:59
        Name: /home/oracle/1_119_947085344.dbf

72      1    1       X 2017-07-30 14:52:17
        Name: /home/oracle/1_1_950712737.dbf

73      1    2       X 2017-07-30 14:52:18
        Name: /home/oracle/1_2_950712737.dbf

Do you really want to delete the above objects (enter YES or NO)? yes
deleted archived log
archived log file name=/home/oracle/1_62_947085344.dbf RECID=5 STAMP=950278766
deleted archived log
archived log file name=/home/oracle/1_63_947085344.dbf RECID=6 STAMP=950279852
deleted archived log
…
STAMP=950711099
deleted archived log
archived log file name=/home/oracle/1_119_947085344.dbf RECID=71 STAMP=950712737
deleted archived log
archived log file name=/home/oracle/1_1_950712737.dbf RECID=72 STAMP=950712738
deleted archived log
archived log file name=/home/oracle/1_2_950712737.dbf RECID=73 STAMP=950713931
Deleted 60 EXPIRED objects

RMAN> list archivelog all;

specification does not match any archived log in the repository