rman恢复数据库报错：
通道 ORA_DISK_1: 正在读取备份片段 D:\RMANCDPTEST\SBDC_ARCH_20220810_1112387406_5M14RBQE_1_1.BAK
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: recover 命令 (在 08/13/2022 12:30:54 上) 失败
ORA-19870: 还原备份片段 D:\RMANCDPTEST\SBDC_ARCH_20220810_1112387406_5M14RBQE_1_1.BAK 时出错
ORA-19809: 超出了恢复文件数的限制
ORA-19804: 无法回收 15249920 字节磁盘空间 (从 4102029312 限制中)

alert日志中告警：
Errors in file d:\app\administrator\diag\rdbms\orcl\orcl\trace\orcl_ora_3908.trc:
ORA-19815: 警告: db_recovery_file_dest_size 字节 (共 4102029312 字节) 已使用 100.00%, 尚有 0 字节可用。

解决方式：
sqlplus / as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on 星期六 8月 13 13:21:12 2022
Copyright (c) 1982, 2010, Oracle.  All rights reserved.
连接到: 
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL> alter system set db_recovery_file_dest_size=500G;
系统已更改。