### 1.set db_recovery_file_dest_size big
```sql
shutdown abort
startup mount
show parameter db_recovery_file_dest_siz
alter system set  db_recovery_file_dest_siz=5G scope=both;
```
### 2.delete archivelog
```sql
startup mount
```
```shell
rman target /
```
```sql
crosscheck archivelog all;
# 无删除提示
delete noprompt archivelog until time  'sysdate-1';
# 无提示强制删除昨天之前的日志
delete noprompt  force archivelog until time 'sysdate -1';
```
```sql
alter database open;
```