1. Query Method
SQL> set lines 200
SQL> Col name for a100
SQL> alter session set nls_date_format = 'yyyy-mm-dd hh24: MI: ss ';
Session altered.
SQL> select name, completion_time, status from V $ archived_log;
2. Description of the status parameter
Status = A available, indicating that the archived log file is valid
Status = u unavailable, indicating that the archived log file is invalid
Status = D deleted, indicating that the archived log has been deleted
Status = x expired, indicating that the archived log is deleted by the user using the operating system command
3. manually move archived logs
Today, one of the archived logs is moved to another directory and then moved back. The status of the log file is changed to X.
Solution: Move the log to the corresponding location. Run crosscheck archivelog all in RMAN.
RMAN> crosscheck archivelog all;
Using target database control file instead of recovery catalog
Allocated channel: ora_disk_1
Channel ora_disk_1: SID = 84 devtype = Disk
Validation succeeded for archived log
Archive log filename =/APP/Oracle/flash_recovery_area/test/archivelog/20151105_17/o1_mf_1_15_6x3s7xyc _. Arc recid = 7 stamp = 751374078
Validation succeeded for archived log
Archive log filename =/APP/Oracle/flash_recovery_area/test/archivelog/20151105_17/o%mf_%16_6x3tqoo6 _. Arc recid = 8 stamp = 751375605
Validation succeeded for archived log
Archive log filename =/APP/Oracle/flash_recovery_area/test/archivelog/20151105_17/o1_mf_1_17_6x3tqs9w _. Arc recid = 9 stamp = 751375609
Validation succeeded for archived log
Archive log filename =/APP/Oracle/flash_recovery_area/test/archivelog/20151105_17/o1_mf_1_18_6x3tqycj _. Arc recid = 10 stamp = 751375614
Validation succeeded for archived log
Archive log filename =/APP/Oracle/flash_recovery_area/test/archivelog/20151105_17/o1_mf_1_19_6x3tr29k _. Arc recid = 11 stamp = 751375618
Validation succeeded for archived log
Archive log filename =/APP/Oracle/flash_recovery_area/test/archivelog/20151105_17/o1_mf_1_20_6x3trfbf _. Arc recid = 12 stamp = 751375629
Validation succeeded for archived log
Archive log filename =/APP/Oracle/flash_recovery_area/test/archivelog/20151105_17/o1_mf_1_21_6x3trkbm _. Arc recid = 13 stamp = 751375633
Validation succeeded for archived log
Archive log filename =/APP/Oracle/flash_recovery_area/test/archivelog/20151105_17/o1_mf_1_22_6x3xg7hs _. Arc recid = 14 stamp = 751378375
Validation succeeded for archived log
Archive log filename =/APP/Oracle/flash_recovery_area/test/archivelog/20151105_17/o1_mf_1_23_6x3xm1t4 _. Arc recid = 15 stamp = 751378529
Validation succeeded for archived log
Archive log filename =/APP/Oracle/flash_recovery_area/test/archivelog/20151105_17/o1_mf_1_24_6x3xmfm2 _. Arc recid = 16 stamp = 751378541