ORA-03113: end-of-file on communication channel

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1. 当启动oracle 发现报错

SQL> startup

报错：

ORA-03113: end-of-file on communication channel

查看alert.log文件，发现

ORA-03113: end-of-file on communication channel
cannot reclaim 45680128 bytes disk space from 2147483648 limit
ARCH: Error 19809 Creating archive log file to '/u01/flash_recovery_area/ORCL/archivelog/2014_01_17/o1_mf_1_6_%u_.arc'

这是由于归档表空间已满，分配不到空间所致

解决办法如下：打开数据库至mount模式，而后删除需要废弃的文件：

RMAN> startup nomount;Oracle instance startedTotal System Global Area     835104768 bytesFixed Size                     2217952 bytesVariable Size                587204640 bytesDatabase Buffers             243269632 bytesRedo Buffers                   2412544 bytesRMAN> resotre spfile from autobackup;RMAN-00571: ===========================================================RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============RMAN-00571: ===========================================================RMAN-00558: error encountered while parsing input commandsRMAN-01009: syntax error: found "identifier": expecting one of: "advise, allocate, alter, backup, @, catalog, change, configure, connect, convert, copy, create, crosscheck, delete, drop, duplicate, exit, flashback, grant, host, import, list, mount, open, print, quit, recover, register, release, repair, replace, report, reset, restore, resync, revoke, run, send, set, show, shutdown, spool, sql, startup, switch, transport, unregister, upgrade, validate, {, "RMAN-01008: the bad identifier was: resotreRMAN-01007: at line 1 column 1 file: standard inputRMAN> alter database mount;database mountedRMAN> delete obsolete;RMAN retention policy will be applied to the commandRMAN retention policy is set to recovery window of 1 daysallocated channel: ORA_DISK_1channel ORA_DISK_1: SID=19 device type=DISKDeleting the following obsolete backups and copies:Type                 Key    Completion Time    Filename/Handle-------------------- ------ ------------------ --------------------Backup Set           2      27-DEC-13           Backup Piece       2      27-DEC-13          /u01/flash_recovery_area/ORCL/backupset/2013_12_27/o1_mf_nnndf_TAG20131227T172528_9cwb48k0_.bkpArchive Log          2      27-DEC-13          /u01/flash_recovery_area/ORCL/archivelog/2013_12_27/o1_mf_1_7_9cwq8sbj_.arcBackup Set           1      27-DEC-13           Backup Piece       1      27-DEC-13          /u01/flash_recovery_area/ORCL/backupset/2013_12_27/o1_mf_ncsnf_TAG20131227T172528_9cwb7lrp_.bkpArchive Log          1      27-DEC-13          /u01/flash_recovery_area/ORCL/archivelog/2013_12_27/o1_mf_1_6_9cwq0xm1_.arcArchive Log          3      27-DEC-13          /u01/flash_recovery_area/ORCL/archivelog/2013_12_27/o1_mf_1_5_9cwm7cv6_.arcDo you really want to delete the above objects (enter YES or NO)? yesdeleted backup piecebackup piece handle=/u01/flash_recovery_area/ORCL/backupset/2013_12_27/o1_mf_nnndf_TAG20131227T172528_9cwb48k0_.bkp RECID=2 STAMP=835306248deleted archived logarchived log file name=/u01/flash_recovery_area/ORCL/archivelog/2013_12_27/o1_mf_1_7_9cwq8sbj_.arc RECID=2 STAMP=835306247deleted backup piecebackup piece handle=/u01/flash_recovery_area/ORCL/backupset/2013_12_27/o1_mf_ncsnf_TAG20131227T172528_9cwb7lrp_.bkp RECID=1 STAMP=835306248deleted archived logarchived log file name=/u01/flash_recovery_area/ORCL/archivelog/2013_12_27/o1_mf_1_6_9cwq0xm1_.arc RECID=1 STAMP=835306247deleted archived logarchived log file name=/u01/flash_recovery_area/ORCL/archivelog/2013_12_27/o1_mf_1_5_9cwm7cv6_.arc RECID=3 STAMP=835306247Deleted 5 objectsRMAN> alter datatbase open;

ORA-03113: end-of-file on communication channel

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