闪回恢复区大小不够报ORA-1980九、ORA-19804错误

RMAN> backup database;

Starting backup at 01-July-19

using target database control file instead of recovery catalog

allocated channel: ORA_DISK_1

channel ORA_DISK_1: SID=39 device type=DISK

channel ORA_DISK_1: starting full datafile backup set

channel ORA_DISK_1: specifying datafile(s) in backup set

input datafile file number=00006 name=/home/oracle/app/oradata/orcl/ogg01.dbf

input datafile file number=00001 name=/home/oracle/app/oradata/orcl/system01.dbf

input datafile file number=00002 name=/home/oracle/app/oradata/orcl/sysaux01.dbf

input datafile file number=00005 name=/home/oracle/app/oradata/orcl/tbtb01.dbf

input datafile file number=00003 name=/home/oracle/app/oradata/orcl/undotbs01.dbf

input datafile file number=00004 name=/home/oracle/app/oradata/orcl/users01.dbf

channel ORA_DISK_1: starting piece 1 at 01-July-19

RMAN-03009: failure of backup command on ORA_DISK_1 channel at 07/01/2019 06:43:49

ORA-19809: limit exceeded for recovery files

ORA-19804: cannot reclaim 52428800 bytes disk space from 2147483648 limit

continuing other job steps, job failed will not be re-run

channel ORA_DISK_1: starting full datafile backup set

channel ORA_DISK_1: specifying datafile(s) in backup set

including current control file in backup set

including current SPFILE in backup set

channel ORA_DISK_1: starting piece 1 at 01-July-19

channel ORA_DISK_1: finished piece 1 at 01-July-19

piece handle=/home/oracle/app/flash_recovery_area/ORCL/backupset/2019_07_01/o1_mf_ncsnf_TAG20141201T064122_b7ro3pt5_.bkp tag=TAG20141201T064122 comment=NONE

channel ORA_DISK_1: backup set complete, elapsed time: 00:00:02

RMAN-00571: ===========================================================

RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============

RMAN-00571: ===========================================================

RMAN-03009: failure of backup command on ORA_DISK_1 channel at 07/01/2019 06:43:49

ORA-19809: limit exceeded for recovery files

ORA-19804: cannot reclaim 52428800 bytes disk space from 2147483648 limit

缘由：闪回恢复区大小不够

oracle10g,11g在默认状况下，归档日志是保存在闪回恢复区的，若是你建库的时候用的默认设置，

闪回恢复区应该是2G，空间不够，没办备份。（同理归档日志保存也可能碰到这个问题，致使没法再归档）

解决：

（1）调整添加闪回区大小

（2）将备份的目录换成其余路径。

若是是归档报错，即将归档目录设置到其余目录，修改alter system set log_archive_dest = 其余路径

步骤：

一、查看db_recovery_file_dest 大小

SQL> show parameter recover

NAME TYPE VALUE

------------------------------------ ----------- ------------------------------

db_recovery_file_dest string/home/oracle/app/flash_recover

y_area

db_recovery_file_dest_size big integer 2G

recovery_parallelism integer0

二、 查看闪回恢复区使用状况

SQL> select file_type, percent_space_used as used,percent_space_reclaimable as reclaimable, number_of_files as "number" from v$flash_recovery_area_usage;

FILE_TYPE USED RECLAIMABLE number

-------------------- ---------- ----------- ----------

CONTROL FILE 0 0 0

REDO LOG 0 0 0

ARCHIVED LOG 46.76 0 23

BACKUP PIECE .46 0 1

IMAGE COPY 0 0 0

FLASHBACK LOG 0 0 0

三、 扩展db_recovery_file_dest 大小

SQL> alter system set db_recovery_file_dest_size=10G scope=both;

System altered.

四、利用run批脚本指定备份路径来备份 （建议归档与备份分开放置）

run{

allocate channel ch1 type disk;

allocate channel ch2 type disk;

backup incremental level 0 database plus archivelog delete input

format '/home/oracle/rmanbak/db_%d_%U'

tag=db_inc_0;

release channel ch1;

release channel ch2;

}

allocated channel: ch1

。。。。。。

released channel: ch1

released channel: ch2