oracle rac-归档满处理

有客户反馈数据库无法使用了，客户手动启动报错如下

SQL> startup;
ORACLE instance started.

Total System Global Area 2.6924E+10 bytes
Fixed Size            2265984 bytes
Variable Size         1.3959E+10 bytes
Database Buffers     1.2952E+10 bytes
Redo Buffers           11202560 bytes
Database mounted.
ORA-16038: log 4 sequence# 90852 cannot be archived
ORA-19504: failed to create file ""
ORA-00312: online log 4 thread 2:
'+DATA/orcl/onlinelog/group_4.266.902227703'

登录查看alert日志，报错

Errors in file /u01/app/oracle/diag/rdbms/orcl/orcl1/trace/orcl1_ora_8017.trc:
ORA-16038: log 4 sequence# 90852 cannot be archived
ORA-19504: failed to create file ""
ORA-00312: online log 4 thread 2: '+DATA/orcl/onlinelog/group_4.266.902227703'
ORA-16038 signalled during: ALTER DATABASE OPEN /* db agent *//* {1:23032:2} */...
Sun Oct 29 10:20:41 2023
Shutting down instance (abort)

再查看磁盘组的空间，确认是归档空间满了

[grid@db1 ~]$  asmcmd -p lsdg
State    Type    Rebal  Sector  Block       AU  Total_MB  Free_MB  Req_mir_free_MB  Usable_file_MB  Offline_disks  Voting_files  Name
MOUNTED  EXTERN  N         512   4096  1048576    512000        6                0               6              0             N  FRA/
MOUNTED  EXTERN  N         512   4096  1048576     10240     9836                0            9836              0             Y  CRS/
MOUNTED  EXTERN  N         512   4096  1048576    512000   322556                0          322556              0             N  DATA/
[grid@db1 ~]$

处理办法

su - grid

asmcmd -p

cd +fra/orcl/archivelog

rm -rf 删除部分早期的归档

重新手动启动数据库